Lead acid Battery

  • Reg 10 Eu Green Deal Industrial Battery Imports

    The Impact of the EU Green Deal on Industrial Battery Imports

    The EU Green Deal aims to make Europe climate neutral by 2050. For industrial battery importers, two mechanisms have direct cost implications: the Carbon Border Adjustment Mechanism (CBAM) and the Energy Transition.

    Carbon Border Adjustment Mechanism (CBAM)

    CBAM places a carbon price on imported goods to prevent carbon leakage — where production moves to countries with weaker climate policies. Initially covering steel, cement, aluminum, fertilizers, electricity, and hydrogen. Battery manufacturing is under review for inclusion in Phase 2 (2026+).

    Implication: If batteries are included in CBAM, Chinese manufacturers may face carbon costs at the EU border unless they hold equivalent carbon pricing paid in China.

    Energy Transition Effects

    The EU’s push for electrification creates significant new demand for energy storage — both stationary (grid storage, UPS) and mobile (electric vehicles). Lead-acid batteries remain critical for UPS and grid stabilization applications where lithium costs are prohibitive.

    Due Diligence Directive

    The EU Corporate Sustainability Due Diligence Directive (CSDDD) requires large companies to assess and address human rights and environmental risks in their supply chains. This creates downstream pressure on battery suppliers.

    CHISEN’s compliance program addresses CSDDD requirements through supply chain mapping, risk assessment, and grievance mechanism documentation.

    FAQ

    Q: When might batteries be included in CBAM? A: Phase 2 (2026+) — batteries are under consideration. Monitor EU regulatory developments.

    Q: How does the Green Deal create battery demand? A: Grid stabilization, renewable energy storage, UPS for charging infrastructure — all create demand for lead-acid batteries in applications where cost and reliability trump energy density.

    Need help? Contact CHISEN’s technical team.


    Email: sales@chisen.cn | WhatsApp: +86 131 6622 6999 | www.chisen.cn

  • Scooter Soft 34

    Hills, Cargo, Rain: How Each Real-World Condition Affects Your Battery

    The range numbers printed on an electric scooter’s specification sheet assume ideal conditions: a flat road, a 70kg rider, moderate temperature, and smooth asphalt at a steady cruising speed. Real life is nothing like this. A delivery rider navigating the steep inclines of San Francisco’s famously hilly streets faces an entirely different energy challenge than a leisure rider cruising Amsterdam’s flat canal paths, and both of them face different challenges again during rainy season in Bangkok or the cold winter months in Stockholm. Every variable in your riding environment — the slope of the road, the weight you are carrying, the temperature outside, and even whether the road is wet — changes how much energy your battery must deliver to move you the same distance. Understanding these effects quantitatively is not just an academic exercise; it is the difference between a battery that comfortably lasts all day and one that leaves you pushing your scooter home on foot. This guide breaks down each real-world condition with the actual numbers so you can plan your rides, manage your battery, and extend its useful life no matter where in the world you ride.

    How Hills and Elevation Changes Drain Your Battery Faster Than Anything Else

    Terrain is the single largest variable affecting electric scooter energy consumption, and the difference between riding flat and climbing even a modest grade is so dramatic that it reshapes the entire range equation for any rider who encounters regular elevation changes. A 10% grade — defined as a rise of 10 vertical meters over a horizontal distance of 100 meters — requires approximately three times the energy per kilometer compared to flat ground, which means a scooter that comfortably travels 40km on flat terrain will deliver only about 13-14km of range when riding a continuous 10% incline at the same speed and with the same load. San Francisco’s street grid was designed in the Victorian era and features grades of 10-17% on many streets in neighborhoods like Nob Hill and Russian Hill, making it one of the most demanding environments in the world for electric scooter battery life and the reason why delivery riders in the city routinely carry spare batteries or plan their routes to minimize steep climbs where possible. Naples, Italy is another famously vertical city where even short distances between neighborhoods can involve sustained grades of 8-12%, and riders who move between the waterfront and the hillsides of Vomero experience energy consumption that can easily double compared to the same distance ridden on level ground. Bangkok’s reputation for flat terrain is a genuine advantage for its millions of scooter commuters because the complete absence of significant elevation changes allows lead-acid batteries to operate at their most efficient, delivering the best possible range for every charge cycle.

    electric-scooter-lithium-battery-pack-close-up.jpg

    The Impact of Cargo Load and Total Rider Weight

    Every kilogram added to your scooter — whether it is a delivery bag, groceries, a backpack, or even a second rider — increases the energy required to accelerate and maintain speed, and the cumulative effect over a full day’s riding can significantly reduce your effective range. Research into electric vehicle energy consumption indicates that an additional 10kg of load adds approximately 5% more energy consumption per kilometer, which on a 40km-rated battery can translate to losing 2-3km of range per trip when carrying moderate cargo. For delivery riders in Lagos who routinely carry 15-20kg of packages alongside their own body weight, this cargo penalty can combine with rough road surfaces to reduce effective range by 20-30% compared to a solo commuter with no load. In Stockholm, where bicycle cargo bikes and electric-assisted delivery vehicles are increasingly common for last-mile logistics, fleet managers have learned to spec batteries with at least 30% extra capacity above the calculated flat-terrain range specifically to accommodate cargo weight and winter riding conditions simultaneously. The effect of cargo is most pronounced during acceleration from stops — a traffic light restart on a heavy load requires substantially more current draw from the battery than maintaining cruise speed — which is why stop-and-go urban riding with cargo is far more draining than steady highway cruising at the same average speed with the same total load.

    Cold Weather and Its Devastating Effect on Lead-Acid Capacity

    Cold temperatures are the enemy of lead-acid batteries, and the capacity reduction that occurs when riding in winter conditions is so significant that many riders in cold climates mistakenly believe their battery has failed when it has simply lost temporary capacity due to chemistry operating at low temperature. At temperatures below 10°C, a lead-acid battery loses approximately 15-20% of its rated capacity because the electrochemical reactions inside the battery slow down, the internal resistance increases, and the electrolyte becomes more viscous, reducing the rate at which ions can travel between the lead plates. At temperatures below 0°C, the capacity loss deepens to 30-40% of rated capacity, meaning a 48V 12Ah battery that delivers 38km of rated range at 25°C will deliver only about 24-27km in genuine cold weather riding — a reduction that catches many commuters off guard when the first cold snap arrives. Stockholm’s winter temperatures regularly drop to -10°C or below during January and February, and riders who use their scooters year-round without accounting for this seasonal capacity loss frequently experience unexpected range failures during their morning commute. The good news is that cold-related capacity loss is temporary: once the battery warms up to operating temperature during riding or storage, the full capacity returns, unlike cold-charging damage which causes permanent degradation — a distinction that underlines why riders in cold climates should never charge a frozen battery. CHISEN’s AGM lead-acid batteries offer better cold-temperature resilience than flooded designs because the immobilized electrolyte reduces stratification effects, but even AGM batteries require the same temperature consideration during range planning in winter months.

    Wet Roads, Rain, and How Moisture Affects Energy Consumption and Safety

    Riding in wet conditions affects both the energy consumption and the safety profile of your electric scooter in ways that go beyond simply the mechanical drag of wet tires on a wet road surface. When roads are wet from rain, the rolling resistance of pneumatic tires increases by approximately 5-10% due to the film of water between the tire and road surface and the slight deformation of the tire as it pushes water out of its path — a small but measurable effect that adds up over a long commute. Bangkok’s monsoon season from May to October creates weeks of continuous wet-road conditions that are the primary reason local commuters report 10-15% lower range during rainy season compared to dry-season riding, even when temperatures are otherwise identical. More significantly, wet road surfaces increase rolling resistance through tire deformation and water film effects, meaning a 40km range in dry conditions might drop to 35-36km in continuous rain, and this effect compounds when combined with the additional electrical load of running lights, indicators, and dashboard displays in wet conditions. Riders in Lagos face an additional challenge during the rainy season when poorly drained roads create standing water that increases rolling resistance further and introduces the risk of water ingress into the battery compartment if the scooter’s waterproofing is inadequate — a safety concern that underscores the importance of checking battery compartment seals before riding through puddles regardless of what battery chemistry your scooter uses.

    Planning Your Rides Across Mixed Conditions

    The practical takeaway from understanding how each condition affects your battery is that range planning should always account for the worst-case combination of factors you are likely to encounter during any given ride or commute. A San Francisco delivery rider planning a route across hilly terrain with 15kg of cargo and expecting rain should calculate based on the energy multipliers stacking together: a 10% grade multiplies energy by 3, an extra 15kg of cargo adds roughly 7.5% consumption, and wet roads add another 5-10%, all of which compound rather than add, meaning a battery rated for 40km flat and dry might realistically deliver only 10-12km of usable range under these stacked conditions. The most effective strategies for managing range across variable conditions are to carry a charger or spare battery when facing demanding terrain, to pre-plan routes that minimize steep grades even if they are slightly longer in distance, and to check weather forecasts before setting out so that unexpected cold snaps or rain do not catch you with insufficient battery for the conditions. Riders in cities like Stockholm and Lagos who face particularly challenging seasonal variations should consider AGM lead-acid batteries for their superior vibration resistance and better cold-temperature performance, and should establish a routine of checking tire pressure and battery compartment seals before each ride during adverse weather seasons.

    Need the right replacement battery for your electric scooter?

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  • Chisen Soft 23

    Why Your Electric Scooter Battery Drains Too Fast – Quick Solutions

    Nothing is more annoying than watching your range disappear faster than it should. You charged your battery overnight, expect 40-50 kilometers, and after just 20 kilometers, the scooter is barely crawling. Your electric scooter battery drains too fast—but why? If your range has suddenly dropped, you want answers and solutions, not theory.

    This guide explains exactly why batteries lose capacity, how to diagnose which cause is affecting your scooter, and the practical fixes that work. We’ll look at real-world range expectations, the most common culprits for premature drain, and what you can do about each.

    Understanding Normal Range and Expected Degradation

    A new 48V 20Ah lead-acid battery in good condition should deliver approximately 40-50km of range under normal conditions (flat terrain, 70kg rider, moderate speed). This varies based on weight, terrain, speed, and weather—but if you’re significantly below these numbers, something is wrong.

    Lead-acid batteries naturally degrade over time. After 300 charge cycles (typically 1-2 years of daily use), expect 15-20% capacity loss. After 500 cycles, you might have 60-70% of original capacity. But if you’ve lost more than 40% range in under a year, or 50%+ range suddenly, the cause is likely something specific you can identify and address.

    Most Common Cause: Sulfation

    Sulfation is the lead-acid battery killer. When batteries sit partially discharged, lead sulfate crystals form on the plate surfaces. These crystals don’t conduct electricity well, reducing capacity and charging efficiency. Once hardened, sulfation permanently destroys battery plates.

    Sulfation typically causes:

    • Charging completes normally but voltage drops quickly under load
    • Battery takes longer to reach full charge
    • Range drops 30%+ in a few months
    • Battery feels “weak” even at full charge

    Fix: Use a desulfation charger or smart charger with desulfation mode. These chargers send controlled high-frequency pulses that break down lead sulfate crystals. For moderately sulfated batteries, this can recover 20-40% of lost capacity. For severe sulfation, replacement is the only option.

    Another Common Culprit: Loose Connections

    Every connection in your power system can degrade over time. Vibration, temperature cycles, and moisture cause connectors to loosen, corrode, or develop high resistance. Loose connections don’t stop power flow completely—they create resistance that converts electricity to heat and prevents efficient power delivery.

    Check these connections:

    • Battery terminal connections
    • Controller input and output
    • Motor connection
    • Any inline fuses or circuit breakers

    Look for corrosion (white or green powdery deposits), looseness, or heat discoloration. Clean connections with a wire brush, apply dielectric grease, and tighten securely. This is the single most overlooked cause of range problems.

    Cold Weather Reduces Capacity

    Cold weather drastically affects lead-acid battery performance. At 0°C, capacity drops approximately 20% compared to 25°C. At -20°C, you might have only 50% of rated capacity. If your range dropped dramatically in winter, this is likely normal—the cold is reducing capacity, not damaging the battery.

    This is temporary—capacity returns as temperatures warm. However, repeatedly charging in freezing conditions can cause permanent damage. If you store your scooter in freezing temperatures, remove the battery and store it at room temperature.

    Old Battery: Natural Capacity Fade

    Batteries have finite lifespans. Even with perfect care, lead-acid batteries lose approximately 5-7% of capacity per year and 1-2% per 100 charge cycles. If your battery is 3+ years old and showing 40%+ range loss, natural aging is probably the cause.

    There’s no fix for aging—battery chemistry simply fails over time. Budget batteries degrade faster; premium batteries like CHISEN maintain capacity better due to better plate chemistry, stronger construction, and proper maintenance. If you need a new battery, investing in higher quality pays off in longer service life.

    Over-Discharge Damage

    Repeatedly draining your battery below 20% state of charge accelerates degradation. Lead-acid batteries suffer permanent damage when deeply discharged. Each deep discharge (below 50% state of charge regularly) can reduce battery life by 20-30%.

    The fix is prevention: charge before you get below 20% remaining. If you’ve already damaged the battery from over-discharge, use desulfation charging to try recovery—but expect permanent capacity loss.

    Controller Issues Misdiagnosed as Battery Problems

    Your scooter’s controller limits power to the motor. If the controller has failed or is limiting power due to a fault, your scooter will feel sluggish even with a healthy battery. How to tell: run the scooter at full charge with no load (feet up). If the motor spins freely and strongly, but the scooter feels weak under rider weight, the problem may be the controller, not the battery.

    Also test: measure battery voltage at the controller under load. If voltage drops more than 5V from resting when you accelerate, there’s high resistance somewhere—possibly in the controller or wiring, not the battery.


    CauseDiagnosisSolution
    SulfationSlower charging, quick voltage drop under loadDesulfation charger or replace
    Loose connectionsIntermittent power, heat on connectorsClean and tighten
    Cold weatherSeasonal range dropNormal, returns when warm
    Old batteryGradual decline over yearsReplace
    Over-dischargeHistory of running deadPrevent deep discharge
    Controller faultGood motor spin, poor under loadCheck/replace controller

    Quick Diagnostic Test

    To determine if your battery is the problem or the controller: charge the battery fully, then measure resting voltage with a multimeter. Then push the scooter (motor spinning freely—no load) and measure voltage again while it’s running. If voltage stays within 1V of resting, your battery is healthy—the problem is elsewhere. If voltage drops 3V+ under any load, your battery has high internal resistance and likely needs replacement.


    Need the right replacement battery for your electric scooter?

    📧 Email: sales@chisen.cn

    🌐 www.chisen.cn

    📱 WhatsApp: +86 131 6622 6999

  • Reg 08 Cadmium Arsenic Free Certifications

    Cadmium and Arsenic Free: Safety Certifications for Wholesale Lead-Acid

    B2B buyers increasingly require certifications confirming their batteries meet hazardous substance restrictions and safety standards. Understanding which certifications matter — and which to demand from suppliers — is essential for professional procurement.

    Hazardous Substance Restrictions

    StandardRegionKey Requirements
    RoHSEULead exemption applies to lead-acid
    REACH SVHCEULead listed — Article 33 communication required
    TSCAUSLead regulated — reporting required
    GB/TChinaNational standards for battery safety

    Key Certifications B2B Buyers Should Demand

    CE marking (EU): Confirms compliance with EU safety, health, and environmental requirements. Required for EU market access.

    UL certification (US): Underwriters Laboratories testing for safety. UL 1989 is the standard for standby lead-acid batteries.

    IEC 62660: Secondary lithium-ion and lead-acid battery testing standard for performance and reliability.

    UN38.3: Required for all battery shipments by air and sea. Tests battery safety under transport conditions.

    CHISEN Certification Portfolio

    CHISEN provides CE, UL (selected models), IEC test reports, UN38.3 documentation, and REACH Article 33 declarations for all international shipments.

    FAQ

    Q: Is RoHS certification needed for lead-acid batteries? A: Lead-acid batteries have an exemption from RoHS substance restrictions. CE marking is still required for EU market access.

    Q: What tests does UN38.3 cover? A: Altitude simulation, thermal cycling, vibration, shock, short circuit, impact, forced discharge. Required for all international battery shipments.

    Need help? Contact CHISEN’s technical team.


    Email: sales@chisen.cn | WhatsApp: +86 131 6622 6999 | www.chisen.cn

  • Solar Soft 42

    Why Lead-Acid Batteries Are Making a Comeback in Solar Storage in 2026

    For several years, the narrative in solar energy was settled: lithium-ion batteries — specifically Lithium Iron Phosphate (LFP) chemistry — were the future of solar storage, and lead-acid was a legacy technology destined for obsolescence. This narrative was reinforced by plunging lithium prices between 2018 and 2023, by the growth of home battery products like Tesla Powerwall and BYD Blade batteries, and by enthusiastic coverage in the renewable energy media. The reality of 2026 is more nuanced — and for a significant segment of the solar storage market, it is a story of lead-acid’s quiet but undeniable comeback.

    Three specific developments have driven the renewed relevance of lead-acid batteries in solar storage. First, the lithium supply chain crisis of 2022–2024 — triggered by surging EV demand, geopolitical tensions affecting cobalt and lithium supply routes, and concentrate processing bottlenecks — caused lithium battery prices to spike by 30–50% in 2022, resetting the economics for many solar storage applications and exposing the vulnerability of lithium-dependent supply chains. Second, the global fire safety movement — catalyzed by high-profile lithium BESS fires in Australia, South Korea, and the United States — has caused regulators, insurers, and system designers to reconsider the fire risk profile of lithium batteries in residential and urban installations. Third, the scale of the rural electrification challenge — connecting nearly a billion people who remain without electricity — has re-focused attention on the cost, reliability, and supply chain advantages that lead-acid batteries offer for exactly this application.

    The Cost Arithmetic Has Shifted Back Toward Lead-Acid

    In 2020, lithium LFP batteries for residential solar storage cost $150–200 per kWh installed. By early 2026, after the post-2022 price correction and continued manufacturing scale-up, costs have stabilized at $120–180 per kWh for quality LFP residential systems. This is genuinely impressive cost reduction from $600–800 per kWh in 2018 — but it has not eliminated lead-acid’s cost advantage for specific applications.

    For utility-scale BESS projects at 2-hour discharge duration — the dominant grid storage application globally — installed lead-acid costs of $180–280 per kWh versus lithium LFP at $250–350 per kWh means lead-acid retains a 25–40% cost advantage at this discharge duration. BloombergNEF’s 2025 energy storage cost outlook confirms that for storage durations below 4 hours, lead-acid remains cost-competitive at the system level, not just the battery-cell level.

    For rural electrification and developing market applications — where financial resources are constrained, technical support is limited, and the ability to manage and maintain complex lithium battery systems is genuinely limited — the total-cost-of-ownership case for lead-acid is compelling. Lead-acid batteries tolerate poor charging practices, high temperatures, and irregular maintenance cycles that would rapidly destroy lithium batteries. In the harsh conditions of rural Sub-Saharan Africa, this resilience is not a luxury — it is a prerequisite for reliable power.

    Fire Safety: The Hidden Advantage

    The residential lithium BESS fire risk has become a significant practical and regulatory challenge. In South Korea, which experienced a wave of residential battery storage fires in 2022–2023 (with more than 30 documented incidents), consumer confidence in home battery storage was severely damaged and regulatory standards were dramatically tightened. In Australia, where residential solar+battery penetration is among the highest in the world, insurers have begun charging higher premiums or declining to cover properties with certain lithium battery systems, citing fire risk.

    Lead-acid batteries do not experience thermal runaway in the manner of lithium-ion batteries. The worst-case failure mode for a lead-acid battery — a vented hydrogen explosion in an enclosed space — is dangerous but requires specific conditions (inadequate ventilation, ignition source) and is far less energetic than a lithium thermal runaway event. Lead-acid fires are suppressible with standard ABC dry chemical extinguishers or CO2; lithium fires require specialized Class D extinguishing agents and may reignite hours after apparent extinguishment.

    For residential installations where occupants sleep within metres of the battery bank, for multi-unit dwellings with shared walls, and for any installation where fire brigade response time is extended, the fire safety profile of lead-acid is a genuine and significant advantage that deserves serious weight in system specification decisions.


    Need the right solar battery for your project?

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  • Master Id Telecom Indonesia

    Panduan Lengkap: Memilih Baterai yang Tepat untuk Menara Telekomunikasi di Indonesia

    Indonesia mengoperasikan lebih dari 65.000 menara telekomunikasi, menjadikannya salah satu pasar terbesar di Asia Tenggara. Iklim tropis Indonesia yang panas dan lembap menciptakan tantangan operasional unik untuk sistem baterai cadangan.

    Panduan teknis ini dibuat untuk operator jaringan seluler, perusahaan infrastruktur menara, dan spesialis proyek di Indonesia.

    Arsitektur Daya Telekomunikasi

    Jaringan telekomunikasi modern beroperasi dalam tiga kategori topologi utama:

    Menara makro sel: Menara berbasis tanah dengan ketinggian 25–50 meter, biasanya mendukung 3–6 unit radio per situs. Konsumsi daya 3–12 kW tergantung konfigurasi. Ini adalah kategori paling umum secara global.

    Small cells: Node berdaya rendah yang dipasang di permukaan jalan atau di infrastruktur kota (tiang lampu, bangunan), dengan konsumsi 500W–2kW. Penempatan small cell accelerating di area perkotaan untuk jaringan 5G.

    DAS (Distributed Antenna Systems): Jaringan di dalam gedung, stadion, bandara, dan sistem transit bawah tanah.

    Kondisi Listrik Indonesia

    Ketersediaan jaringan listrik di Indonesia sangat bervariasi:

    • Jawa (Jakarta, Surabaya, Bandung): Ketersediaan 97–99%, cadangan baterai 4–6 jam sudah memadai
    • Sumatera (Medan, Palembang, Lampung): Ketersediaan 93–96%, cadangan 6–8 jam direkomendasikan
    • Kalimantan, Sulawesi, Papua: Ketersediaan bisa turun hingga 82–88%, cadangan 10–12 jam diperlukan

    Suhu rata-rata di sebagian besar wilayah Indonesia: 28–35°C dengan kelembaban 75–90%. Ini adalah salah satu lingkungan operasi paling menuntut untuk baterai timbal-asam di dunia.

    Perbandingan Teknologi

    VRLA AGM

    Kekuatan: Biaya awal rendah, teknologi matang, tanpa perawatan.

    Keterbatasan: Siklus hidup terbatas (500–700 siklus pada 80% DoD), sangat sensitif terhadap suhu tinggi. Baterai AGM standar di Indonesia dengan suhu rata-rata 32°C mungkin perlu diganti dalam 3–4 tahun.

    OPzV Tubular GEL — Pilihan Direkomendasikan

    Kekuatan:

    • Siklus hidup superior: 1.200–1.500 siklus pada 80% DoD; 2.500–3.500 siklus pada 50% DoD
    • Tahan terhadap korosi grid di lingkungan bersuhu tinggi dan kelembaban tinggi
    • Kapasitas pengoperasian hingga suhu 50°C sel
    • Tidak memerlukan perawatan (desain rekombinan tersegel)
    • Koefisien kompensasi suhu: -3 hingga -4 mV per sel per °C di atas 25°C

    Keterbatasan: Biaya awal lebih tinggi dari AGM. Namun TCO untuk aplikasi tropis Indonesia hampir selalu lebih rendah dari lithium.

    LFP (Lithium Ferro Phosphate)

    Kekuatan: Siklus hidup 4.000–6.000 siklus, ringan, pengisian cepat.

    Keterbatasan: Biaya awal $400–700 per kWh. Membutuhkan BMS yang kompleks. Infrastruktur daur ulang sangat terbatas di Asia Tenggara.

    Analisis TCO untuk Pasar Indonesia

    Untuk menara di Sulawesi Tengah — suhu rata-rata 33°C, ketersediaan jaringan 85%, kebutuhan cadangan 10 jam:

    Baterai OPzV tubular GEL CHISEN dengan biaya total dipasang Rp 180–250 juta dan umur layanan 8 tahun menghasilkan TCO Rp 22–31 juta per tahun.

    Sistem lithium dengan biaya awal Rp 350–500 juta dan umur 10 tahun (dengan biaya penggantian di lokasi terpencil) dapat menghasilkan TCO Rp 45–65 juta per tahun — 2x lipat lebih tinggi dari OPzV GEL dalam kondisi ini.

    CHISEN untuk Pasar Indonesia

    CHISEN Battery telah pasokan baterai untuk proyek telekomunikasi di Indonesia sejak 2015, dengan instalasi aktif di Jawa, Sulawesi, Kalimantan, dan Sumatera.

    • Perhitungan dimensi gratis untuk profil beban spesifik Anda
    • Baterai bersertifikasi BSN (Badan Standardisasi Nasional)
    • Sertifikasi SNI tersedia untuk produk yang dijual di pasar domestik
    • Dokumentasi lengkap untuk Bea Cukai Indonesia
    • Dukungan teknis dalam bahasa Indonesia

    📧 Email: sales@chisen.cn

    🌐 www.chisen.cn

    📱 WhatsApp: +86 131 6622 6999

  • Country Vn

    Lead-Accumulator Batterij Leverancier Vietnam 2026: Volledige Modelgids voor Importeurs, Distributeurs en Projectontwikkelaars

    Vietnam’s lead-acid battery market is one of the most dynamic in Southeast Asia, underpinned by rapid industrial growth, aggressive renewable energy deployment, and one of the world’s fastest-expanding electric vehicle sector. As a manufacturing hub for global electronics, automotive components, and consumer goods companies, Vietnam operates extensive materials handling and industrial battery applications, while its solar energy programme — which achieved 19 GW of installed capacity by 2024, one of the fastest solar build-outs globally — has created massive demand for solar storage batteries across residential, commercial, and utility-scale segments.

    Market Context: Vietnam’s Energy Transition

    Vietnam’s electricity demand has grown at 8–12% annually over the past decade, and the national utility EVN has struggled to keep pace, resulting in periodic load-shedding in the industrial zones and southern provinces. The Vietnamese government’sPDP8 national energy development plan, approved in 2023, targets 30–50% of electricity generation from renewables by 2030, with solar and wind forming the backbone of the expansion strategy.

    The rooftop solar boom in Vietnam between 2020 and 2024 — which added over 9 GW of distributed solar capacity in just three years, driven by an attractive feed-in tariff — has now transitioned to a net-metering and direct PPA framework. The Vietnam Electricity Regulatory Authority (ERAV) and the Ministry of Industry and Trade (MOIT) have established the regulatory framework for battery storage integration, creating the conditions for significant storage deployment. Vietnam’s data centre and telecom infrastructure expansion — driven by foreign technology investment and domestic digital economy growth — has created sustained demand for premium UPS and backup batteries.

    Key Application Sectors

    Industrial Motive Power: Vietnam’s manufacturing sector — concentrated in the Ho Chi Minh City, Hanoi, Da Nang, and Hai Phong industrial zones — operates extensive electric forklift, reach truck, and automated materials handling fleets in electronics, automotive, and consumer goods manufacturing. The predominant battery specification for Vietnamese industrial applications is 48V or 80V traction lead-acid, 300–1,200Ah capacity, designed for 1,000–1,800 cycles at 80% DoD. Chinese and Korean forklift brands dominate the Vietnamese market, but international battery suppliers with competitive pricing and reliable distribution are well-positioned.

    Solar Storage: Vietnam’s distributed solar market predominantly uses 12V and 24V sealed AGM batteries for residential rooftop systems and 48V systems for commercial installations. Typical specifications: 12V 100–200Ah AGM, 800–1,200 cycles at 50% DoD, design life 5–8 years, IEC 62133 and CE certification required for quality procurement.

    Telecom Tower Battery Market: Vietnam’s telecom infrastructure — operated by Viettel, VNPT, Mobifone, and Vietnamobile — includes approximately 90,000 base station sites, making it one of the largest tower markets in Southeast Asia. Viettel, the largest operator, has extensive operations in Vietnam and five other countries globally, with a strong preference for solar-hybrid tower solutions in rural areas. Typical specifications: 48V OPzV gel, 200–500Ah, 8–10 hour autonomy, 10-year design life, operating temperature range 0°C to 50°C.

    Entry Strategy

    Vietnam applies import tariffs of 0–5% on lead-acid batteries under HS code 8507, with 10% VAT on importation. Quality certifications from Vietnamese authorities are required for large government and industrial procurement contracts. CHISEN supports Vietnamese market entry with CE and IEC documentation, competitive CIF Ho Chi Minh City / Hai Phong pricing, Vietnamese-language technical specifications, and regional support through authorised distributors.


    Hỗ trợ thị trường Việt Nam cho nhu cầu ắc quy chì của bạn?

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  • Solar Soft 28

    Water Pumping Solar Systems: Battery Sizing and Design Guide

    Access to clean water is one of the most fundamental human needs, yet millions of people in rural and arid regions rely on manual pumping or diesel-powered systems that are expensive to operate and difficult to maintain. Solar-powered water pumping has emerged as the definitive solution for agricultural irrigation, rural household water supply, and community water access programmes across Sub-Saharan Africa, the Indian subcontinent, and the arid regions of Australia and the Middle East. The battery component of a solar pumping system is often misunderstood or undersized, leading to unreliable water supply during cloudy periods — a problem that can be avoided entirely with proper system design based on a few straightforward engineering principles.

    Direct-Coupled vs. Battery-Coupled: Choosing the Right Architecture

    The first and most important design decision in any solar water pumping system is whether to use a direct-coupled configuration, where the pump runs only when the sun shines, or a battery-coupled configuration, where energy is stored so the pump can operate at any time. Direct-coupled systems are simpler and cheaper because they eliminate the battery bank, charge controller, and inverter entirely, connecting the solar panels directly to a DC pump whose speed varies with solar irradiance. These systems work well for applications where water demand is highest during daylight hours — livestock watering on rotational grazing schedules, for example, or irrigation for crops that benefit from daytime watering. A 1,000-watt solar array driving a direct-coupled submersible pump can deliver approximately 20,000 to 40,000 litres per day in good sun conditions, depending on the head pressure and pump efficiency.

    Battery-coupled systems add a battery bank, a charge controller, and typically an inverter or a DC-DC converter to regulate power delivery to the pump. The primary advantage of battery coupling is reliability: a properly sized battery bank can sustain pumping operations for one to three days without solar input, which is essential in regions with frequent multi-day cloud cover or for water supply systems where interruption is unacceptable. In the monsoon-prone regions of India — Gujarat, Maharashtra, and Odisha — three to five consecutive overcast days are common during the rainy season, and a battery-coupled system with three-day autonomy ensures that water supply continues uninterrupted. The trade-off is cost: a battery-coupled system adds $800 to $2,500 to the upfront cost of a solar pumping installation, depending on battery chemistry and capacity, which must be weighed against the operational value of uninterrupted water supply.

    Calculating Battery Size for Solar Pumping Applications

    Battery sizing for solar pumping is fundamentally different from sizing for residential energy storage, because the load profile is more predictable but the consequences of undersizing are more immediate and visible. The calculation begins with determining the daily energy requirement of the pump in watt-hours, which is derived from the daily water volume requirement multiplied by the total dynamic head and divided by the pump’s efficiency factor. For a practical example: an agricultural irrigation pump delivering 50,000 litres per day against a total head of 30 metres (which includes actual lift, pipe friction losses, and pressure requirements) requires approximately 4.5 to 5.5 kWh of electrical energy per day, depending on pump efficiency rated between 50 and 65 percent for a typical centrifugal irrigation pump.

    With the daily energy requirement established, the battery bank must be sized to provide three days of autonomous operation during cloud cover — this is the standard design margin recommended by the World Bank for solar pumping installations in rural development programmes. Three days of autonomous operation at 5 kWh per day requires 15 kWh of usable battery capacity. Applying a 50 percent depth-of-discharge limit for flooded lead-acid batteries means the installed capacity must be at least 30 kWh. At 48 volts nominal, this translates to a 625Ah battery bank, which can be built from four 2-volt 625Ah cells, eight 2-volt 400Ah cells in series-parallel, or eight 12-volt 200Ah batteries in two parallel strings of four. The International Renewable Energy Agency (IRENA) recommends an additional 1.5x panel oversizing factor for solar pumping systems, meaning the solar array should be sized at 1.5 times the power required at peak sun, to account for pump start-up current, reduced efficiency at elevated panel temperatures, and the reality that most days do not offer the same irradiance as the peak sun hours used in theoretical calculations.

    Float Switch Integration, System Monitoring, and Regional Considerations

    A float switch is an indispensable safety and efficiency component in battery-coupled solar pumping systems, serving two critical functions. First, it prevents the pump from running dry and burning out by switching off the pump when the storage tank reaches a predetermined high-water level, which is particularly important for submersible pumps in boreholes where dry running causes rapid seal failure and motor damage. Second, in multi-tank systems serving both livestock and household needs, the float switch ensures that water is distributed according to priority — household supply tanks fill first, and surplus water is directed to livestock troughs or irrigation reservoirs only after household needs are satisfied. The float switch is wired into the pump control circuit and operates independently of the battery management system, providing a hardware-level shutoff that functions even if the charge controller or inverter develops a fault.

    In Kenya’s smallholder agricultural regions, where solar water pumping has been supported by government subsidies and NGO programmes since 2015, the most common system configuration is a 400-watt solar panel feeding a 12-volt 200Ah battery bank that powers a DC submersible pump drawing water from a borehole to an elevated storage tank. These systems typically deliver 5,000 to 15,000 litres per day during the dry season and serve a household plus a small kitchen garden, with a total installed cost of approximately $1,200 to $2,200 including installation. In India’s PM-KISAN scheme and state-level solar pumping programmes, subsidised 1 to 5 HP solar pumps have been deployed across millions of acres, with battery coupling offered as an optional upgrade that attracts additional government support because battery storage reduces grid dependence during peak irrigation season when diesel prices spike and rural electricity supply is unreliable. In Australia’s outback and the Middle East desert, where solar irradiance is exceptionally high but water tables are often deep and boreholes expensive to drill, the emphasis is on maximising panel oversizing (2x to 2.5x) to extract maximum daily water volume within the limited pumping hours available before water temperature rises reduce pump efficiency. CHISEN manufactures deep-cycle solar lead-acid batteries optimised for the partial-state-of-charge operating conditions characteristic of solar pumping applications, where the battery is rarely fully charged due to the load profile of the pump, and our engineering team provides free system sizing support for agricultural, domestic, and community water supply projects.


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  • India E Rickshaw Market 2026

    India E-Rickshaw Battery Market: Growth Drivers, Opportunity Analysis & Procurement Guide 2026

    Introduction: Why India’s E-Rickshaw Market Is the World’s Highest-Volume Two-Wheeler Battery Opportunity

    India has 1.5 million e-rickshaws on its roads as of 2025 — representing 85% of the global fleet and growing at 35% CAGR. Each e-rickshaw requires a 48V 100–150Ah lead-acid battery system, replaced every 12–24 months under heavy-duty conditions. That is a 750,000–1.5 million unit replacement market annually — without a single new e-rickshaw being sold.

    India’s e-rickshaw phenomenon is not a pilot project or a government-subsidy-driven anomaly. It is a market-structural shift driven by economics. At current diesel prices of ₹85–95/litre, a diesel auto-rickshaw costs ₹3.50–5.00 per kilometre to operate. An equivalent e-rickshaw costs ₹0.30–0.60 per kilometre in electricity. For the 2–3 million Indians who earn their living from three-wheeler transport, this cost differential is not marginal — it determines whether they make a profit or a loss on a typical 150km daily run.

    This article maps the Indian e-rickshaw battery market by geography and application, quantifies the procurement opportunity for battery distributors and importers, and explains the specification requirements that determine which battery brands succeed and which fail in this demanding, high-volume segment.

    Section 1: India’s E-Rickshaw Market Scale and Growth Trajectory (2026 Update)

    Fleet Scale and Historical Growth

    India’s e-rickshaw fleet has followed a steep and remarkably consistent growth curve. From approximately 200,000 vehicles in 2018, the fleet expanded to 1.5 million by 2025 — a compound annual growth rate of 35% sustained across seven years. This growth was catalyzed by the FAME II (Faster Adoption and Manufacturing of Electric Vehicles) subsidy scheme, which provides ₹15,000–50,000 per vehicle depending on state-level top-up incentives, and by state government mandates that have restricted or banned diesel three-wheelers in major urban centres including Delhi-NCR, Mumbai, and Kolkata.

    The geographic distribution of India’s e-rickshaw fleet is highly concentrated. Four states account for approximately 65% of total fleet size:

    Uttar Pradesh — the most populous Indian state, with dense intra-city transport networks in Lucknow, Kanpur, Varanasi, Agra, and Prayagraj. E-rickshaw penetration here has been driven by last-mile connectivity demand and the collapse of diesel auto-rickshaw services on low-income routes.

    Bihar — e-rickshaws have become the dominant urban passenger vehicle in Patna, Gaya, and Muzaffarpur, displacing both diesel autos and traditional cycle-rickshaws. Bihar’s state government has provided direct purchase subsidies and charging infrastructure support.

    West Bengal — Kolkata’s extensive e-rickshaw fleet operates both as a licensed urban transport mode and as an informal last-mile delivery system for e-commerce logistics. The regulatory environment is well-established, creating a stable operating environment for fleet operators.

    Delhi-NCR — the national capital region’s transition to electric mobility has been accelerated by the Delhi Electric Vehicle Policy, which provides ₹5,000–30,000 additional state subsidies on top of FAME II, and by the gradual phase-out of diesel three-wheelers in designated zones.

    Growth is expanding rapidly into Maharashtra (Mumbai, Pune, Nagpur), Karnataka (Bengaluru), and Tamil Nadu (Chennai, Coimbatore), where new OEM manufacturing capacity is creating local supply that reduces vehicle costs and delivery times.

    Projected 2030 Scale

    Industry consensus projections place India’s e-rickshaw fleet at 4.5–5.5 million vehicles by 2030. At that fleet size, the annual demand structure breaks down as follows:

    • New vehicle demand: 500,000–700,000 units per year
    • Replacement battery demand: 750,000–1.5 million units per year (each vehicle replacing batteries 1–2× annually under heavy-use conditions)
    • Total annual battery demand: 1.25–2.2 million units per year

    The replacement market — not new vehicle sales — is already the dominant source of battery demand. In 2025, replacement demand accounts for approximately 60% of total battery units sold into the Indian e-rickshaw market. This is the structural opportunity that sophisticated battery distributors and importers are positioning to capture.

    Section 2: The Choice — Battery Chemistry and Specification Comparison

    The Indian e-rickshaw battery buyer — whether an individual operator, a fleet manager, or a district-level distributor — faces a genuine choice between multiple battery chemistries, each with different total cost of ownership profiles. The table below provides a direct specification comparison, followed by a practical economic analysis.

    SpecStandard Flat-Plate Deep CyclePremium Flat-Plate AGMOPzV Tubular GelLFP 48V 40–60Ah
    Configuration4×12V 100Ah series4×12V 120Ah series4×12V 120–150Ah seriesSingle 48V 40–60Ah pack
    Cycle Life (80% DoD)500–700 cycles600–800 cycles1,200–1,500 cycles2,000–3,000 cycles
    Depth of Daily Discharge60–80% (heavy use)60–80% (heavy use)60–80% (heavy use)70–90% (efficiency)
    Daily Range (km)60–80 km70–90 km70–90 km120–150 km
    Upfront Cost (per vehicle)$400–500$500–650$650–800$800–1,200
    Annual Replacement Cost$200–400$150–300$80–150$40–80
    Battery Weight (kg)160–200 kg150–180 kg150–180 kg40–60 kg
    Service NetworkExcellent (India-wide)GoodGoodLimited (emerging)

    Standard flat-plate deep-cycle batteries are the incumbent technology in the Indian e-rickshaw market — the battery type that comes fitted to most entry-level e-rickshaws from mass-market manufacturers. Their 500–700 cycle life at 80% depth of discharge translates to approximately 12–15 months of service under daily heavy-use conditions, making them the baseline against which all other chemistries must justify a price premium. The flat-plate construction is cost-effective for OEM fitment but is vulnerable to plate degradation under the high-frequency cycling that e-rickshaw duty demands.

    Premium flat-plate AGM batteries represent a meaningful upgrade path. The absorbed glass mat separator technology eliminates electrolyte stratification risk — a significant advantage in the temperature extremes of Indian summers (45°C+ ambient in North India) and North Indian winters (below 5°C in Bihar and Uttar Pradesh). The 600–800 cycle life specification extends service life to 15–18 months, reducing the annual replacement cost by approximately 30% compared to standard flat-plate. The 20–30% upfront cost premium is recovered within 3–4 months through reduced battery replacement frequency — a compelling economic argument for cost-sensitive individual operators who can afford the higher initial outlay.

    OPzV tubular gel batteries are the highest-value lead-acid option for serious e-rickshaw fleet operators. The tubular positive plate construction and immobilized gel electrolyte deliver 1,200–1,500 cycles at 80% DoD — two to three times the cycle life of standard flat-plate batteries. In practical terms, an OPzV-equipped e-rickshaw operating under heavy daily use will require battery replacement every 24–30 months instead of every 12–15 months. For a fleet of 50 e-rickshaws, this extension from 2 replacements per vehicle per year to 1 replacement per vehicle every 2 years represents an annual saving of ₹4–6 lakhs in battery costs alone. The ₹650–800 upfront cost per vehicle (versus $400–500 for standard) is a capital investment that most individual operators cannot justify but that fleet managers and institutional buyers increasingly demand.

    LFP lithium-iron phosphate batteries are the long-term technology destination for India’s e-rickshaw market, but the transition will be gradual. The 2,000–3,000 cycle life specification (versus 500–700 for standard lead-acid) means LFP batteries can last 5–8 years in e-rickshaw applications — transforming the total cost of ownership equation entirely. At an upfront cost of $800–1,200 (versus $400–500 for standard lead-acid), the payback period for individual operators is 3–5 years, which exceeds the typical ownership horizon of individual e-rickshaw operators who often finance vehicles on 2–3 year loans. LFP is gaining rapid share in premium fleet operations managed by institutional buyers (logistics companies, e-commerce delivery fleets, corporate campus transport) who can capitalize the higher upfront cost and value the reduced downtime from battery failures. The 40–60kg weight advantage over lead-acid alternatives also increases vehicle payload capacity — a meaningful advantage for e-commerce delivery applications where additional cargo capacity directly increases daily revenue.

    Section 3: The Framework — Key Market Entry and Sourcing Strategies

    Geographic Focus: North India First

    Any serious market entry strategy for the Indian e-rickshaw battery market must begin in North India. Uttar Pradesh, Bihar, West Bengal, and Delhi-NCR together account for approximately 65% of India’s e-rickshaw fleet, and the distribution networks in these states are mature, well-established, and accessible to foreign suppliers with the right product portfolio and pricing structure.

    The channel structure in North India operates through a three-tier distribution system: manufacturer/importer → regional wholesale distributor → district-level battery wholesaler → retailer/operator. Foreign suppliers targeting the Indian market should position themselves at the regional wholesale distributor level — supplying regional hubs in Lucknow, Patna, Kolkata, Delhi, and Guwahati with sufficient volume commitments to justify direct factory pricing.

    District-level battery wholesalers in North India aggregate demand from hundreds of individual e-rickshaw operators and are the primary decision-makers on which battery brands to stock. Their purchasing criteria are pragmatic: brand reputation in the local market, cycle life demonstrated through operator experience, credit terms (typically 15–30 days net), and distributor margin. Foreign suppliers who can offer consistent quality, competitive pricing, and modest credit terms (backed by letters of credit or trade finance insurance) can establish distributor relationships within 6–12 months of market entry.

    The OEM supply channel — selling directly to e-rickshaw manufacturers — is a longer-term strategic objective rather than an initial market entry path. OEM qualification requires BIS certification (see below), OEM-specific product testing, design-in cycles of 12–24 months, and volume commitments that assume manufacturing scale. The replacement market is accessible immediately and can generate revenue while OEM qualification processes are completed.

    BIS Certification — The Non-Negotiable Entry Requirement

    The Bureau of Indian Standards (BIS) mandatory certification for lead-acid batteries sold in India is the single most critical regulatory requirement for any battery supplier targeting the Indian market. BIS certification is mandatory under the Bureau of Indian Standards Act, 2016, for lead-acid batteries used in electric vehicle applications including e-rickshaws.

    The BIS certification process requires: product testing at BIS-accredited laboratories against the relevant Indian Standard (IS 1651 for lead-acid traction batteries); factory inspection by BIS officials to verify quality management systems and production consistency; and ongoing surveillance testing of production samples to maintain certification. The process typically requires 6–12 months from initial application to certification, and requires a physical presence in India (either a subsidiary, a joint venture partner, or a licensed local agent) to facilitate factory inspections.

    CHISEN Battery has completed BIS certification for its 12V 100Ah, 12V 120Ah, and 12V 150Ah e-rickshaw battery SKUs — the three specifications most commonly demanded by Indian e-rickshaw OEMs and replacement market distributors. Without BIS certification, a foreign battery supplier cannot legally sell these products into the Indian market through legitimate distribution channels. Importation without BIS certification creates legal exposure for both the supplier and the importing distributor.

    FAME II Incentive Compliance

    The FAME II (Faster Adoption and Manufacturing of Electric Vehicles Phase II) scheme is the Indian government’s primary instrument for incentivising electric vehicle adoption, with a budget of ₹10,000 crores (approximately $1.2 billion) allocated through 2024. For e-rickshaws to qualify for FAME II subsidies, both the vehicle and the battery must meet specified technical standards.

    The battery-related FAME II requirements are: BIS certification (as described above); registration on the SAMVEND portal (the government e-procurement and subsidy verification platform); minimum cycle life of 600 cycles at 80% DoD per IS 1651; and supply chain documentation that allows the vehicle OEM to demonstrate battery provenance to government auditors.

    For foreign battery suppliers targeting OEM supply agreements with FAME II-eligible e-rickshaw manufacturers, maintaining BIS certification and SAMVEND registration is not optional — it is a prerequisite for participation in the incentive-qualifying supply chain. Battery suppliers who allow BIS certification to lapse or fail surveillance testing risk losing their FAME II eligibility, which immediately disqualifies them from OEM supply agreements.

    Section 4: The Trust — 5 Market Realities for India’s E-Rickshaw Battery Segment

    The Indian e-rickshaw battery market has its own rules, its own economics, and its own failure modes. The following realities are stated directly because understanding them determines whether a battery supplier succeeds or fails in this market.

    1. The budget battery trap destroys brand equity faster than any competitor action. The Indian market is price-sensitive at every level, and there is a persistent influx of Chinese-import batteries priced 20–30% below established domestic brands. These budget products typically use B-grade cells — rejected from higher-specification production runs — with actual cycle life of 300–500 cycles rather than the 600–800 cycles specified for genuine deep-cycle batteries. They fail within 8–12 months in heavy-duty e-rickshaw conditions, and their failure generates complaints that damage the reputation of the distributor who sold them. Every battery supplier in this market must demonstrate cycle life compliance through independent laboratory testing (per IEC 62619 or IS 1651) and must refuse to compromise on cell quality to meet a price point that cannot deliver the specified performance.

    2. The charging infrastructure mismatch is a battery killer that most buyers do not understand. Indian e-rickshaw operators overwhelmingly charge from standard household 15A electrical sockets using simple on-board chargers. These chargers typically apply a bulk charge phase at 14.4–14.8V for a 48V system, followed by a float stage. What these chargers do not do — unless specifically specified as temperature-compensated — is adjust the charging voltage for ambient temperature. In Indian summer conditions where ambient temperature reaches 42–45°C, an uncompensated charger will apply the same bulk voltage that would be correct at 25°C, causing chronic overcharging that accelerates grid corrosion and electrolyte loss. The practical implication for battery suppliers: specify and supply chargers with temperature compensation for all hot-climate market sales, and educate distributors on the importance of this specification. A battery that fails prematurely because of an incompatible charger generates warranty claims and destroys customer relationships.

    3. The replacement cycle economics create the true value proposition. An e-rickshaw operator in Lucknow or Patna earns ₹400–600 per day in gross revenue under normal operating conditions. Battery failure means zero daily income — the vehicle cannot operate. A battery that delivers 15 months of service instead of 12 months saves the operator ₹12,000–18,000 in avoided replacement costs over its lifetime. Premium batteries that cost ₹500–800 more upfront than budget alternatives generate ₹8,000–16,000 in lifetime savings through extended replacement intervals. The value proposition for quality batteries is not environmental — it is economic, and it should be framed in the language that resonates with the target customer: daily income protection and cost reduction.

    4. Distribution margins in the Indian battery trade are thin, which means volume is everything. Indian battery distributors operate on gross margins of 8–12% on lead-acid e-rickshaw batteries. At a ₹1,000 wholesale price point, this translates to ₹80–120 gross margin per unit. A distributor who moves 500 units per month earns ₹40,000–60,000 in gross margin — a viable business only because the volume is high and the inventory turns over every 30–45 days. Foreign suppliers who enter the market with premium pricing that compresses distributor margins below 8% will find that their distributors actively deprioritise their brand in favour of competitors who offer better per-unit economics. The path to premium pricing in this market runs through demonstrated cycle life performance and brand recognition among end-users — not through distributor margin premium.

    5. The lithium threat is real in fleet operations but limited in the mass market for the next 3–5 years. LFP batteries are gaining share — particularly in institutional fleet operations managed by logistics companies, e-commerce delivery platforms, and corporate campus transport operators who can capitalise the higher upfront cost and value the 5–8 year service life. However, the $800–1,200 upfront cost versus $400–600 for standard lead-acid creates payback periods of 3–5 years that individual e-rickshaw operators — who typically finance vehicles on 2–3 year loans — cannot justify. The Indian e-rickshaw market’s growth is being driven primarily by individual operators and small fleet owners who make up approximately 75% of the market. Lead-acid batteries will remain the dominant chemistry in this segment through 2028–2030. LFP suppliers targeting this market must build distribution for the premium segment while accepting that the mass market will remain lead-acid dominated for the foreseeable future.

    Section 5: FAQ

    Q1: What battery specifications are required for FAME II subsidy eligibility in India in 2026?

    FAME II eligibility for e-rickshaw battery components requires compliance with three specifications. First, the battery must hold valid BIS certification under IS 1651 (lead-acid traction batteries for electric vehicles) — tested at a BIS-accredited laboratory. Second, the battery must be registered on the SAMVEND government portal under the battery component category, enabling the vehicle OEM to include the battery in their FAME II subsidy claim documentation. Third, the minimum cycle life requirement is 600 cycles at 80% depth of discharge, demonstrated through laboratory testing per IS 1651 protocols. Battery suppliers must provide cycle test reports from BIS-accredited testing laboratories as part of the OEM qualification package, and must maintain current BIS certification through ongoing surveillance testing. Any lapse in BIS certification invalidates the FAME II eligibility of all vehicles fitted with that battery — creating a strong incentive for OEMs to audit their battery suppliers’ certification status annually.

    Q2: What are the most important quality criteria for choosing a lead-acid battery supplier for the Indian e-rickshaw market?

    Three specifications distinguish quality battery suppliers from budget competitors. First, and most importantly, cycle life at 80% depth of discharge — demand a minimum of 600 cycles from IS 1651 laboratory testing, and preferably 800+ cycles from the manufacturer’s own accelerated cycle testing. Budget batteries that claim 600+ cycle life but cannot provide third-party test reports will deliver 300–500 cycles in field conditions. Second, grid alloy composition and plate construction — the lead-antimony or lead-calcium alloy must be specified for deep-cycle traction applications, not automotive starting battery service. Starting battery plate grids are optimised for brief high-current discharge, not the sustained deep cycling that e-rickshaw duty demands, and will fail prematurely when used in traction applications regardless of the Ah rating. Third, cold-cranking performance at low temperature — e-rickshaw operators in Bihar and Uttar Pradesh regularly experience winter temperatures below 5°C, at which insufficient cold-cranking causes starting failures that operators blame on the battery brand. Quality deep-cycle batteries for the Indian market should be specified with cold-cranking performance adequate for operation at 0°C minimum.

    Q3: How does the Indian e-rickshaw battery market compare to Bangladesh, which also has a large fleet?

    Bangladesh has approximately 300,000 e-rickshaws concentrated primarily in Dhaka and Chittagong — approximately 20% of India’s fleet on a per-capita basis. The Bangladesh e-rickshaw market is growing at a projected 40% CAGR through 2030, slightly faster than India due to a lower base penetration level. The key regulatory difference is certification: Bangladesh does not have a mandatory BIS-equivalent standard for lead-acid e-rickshaw batteries — BSTI (Bangladesh Standards and Testing Institution) certification is voluntary. This makes Bangladesh faster to enter from a regulatory standpoint but creates a higher-quality variability environment, with budget Chinese imports competing against genuine deep-cycle products without regulatory filtering. For foreign battery suppliers, Bangladesh represents a practical first-mover opportunity in South Asia: the regulatory barrier to entry is lower, the geographic proximity to Indian distribution networks is high (batteries for Dhaka can be shipped via Kolkata or Mongla port), and the growth trajectory is steeper. The realistic market size in Bangladesh is approximately 150,000–200,000 replacement batteries per year at current fleet scale — a market that will expand to 500,000–700,000 annually by 2030 as the fleet reaches Indian-equivalent penetration levels.

    Q4: What is the realistic market opportunity for a foreign battery manufacturer in the Indian e-rickshaw replacement market?

    The replacement market — not OEM supply — is the practical and recommended entry path for foreign battery manufacturers in India. The replacement market accounts for approximately 60% of total battery units sold into the Indian e-rickshaw market by volume, and it is accessible immediately upon obtaining BIS certification and establishing distribution relationships. The OEM supply channel requires 12–24 months of qualification cycles, OEM-specific product validation, and volume commitments that are impractical for initial market entry. For a foreign supplier with BIS certification, the immediate opportunity is supplying regional battery wholesalers in Lucknow, Patna, Kolkata, Delhi, and Guwahati with premium deep-cycle specifications (IS 1651 compliant, 800+ cycle life) that domestic manufacturers currently underproduce. The realistic market share target for a quality foreign supplier entering India over a 3-year period is 2–4% of the replacement market — translating to 15,000–30,000 units annually. At an average wholesale price of $550–650 per 48V system, this represents $8.25–19.5 million in annual revenue. Achieving this target requires: BIS certification for the primary SKUs (12V 100Ah, 120Ah, 150Ah); a local sales representative or distribution partner in North India; competitive CIF pricing to Indian ports (Nhava Sheva, Kolkata, Chennai); and a 12-month cycle life warranty backed by a visible service support process.

    Q5: What financing mechanisms are available for e-rickshaw battery procurement in India?

    Three financing channels serve the Indian e-rickshaw market. Direct cash purchase from distributors remains the dominant method — individual operators and small fleet owners purchase batteries on a cash basis from district-level wholesalers, paying ₹800–1,500 per battery at replacement. OEM-facilitated financing packages represent the second channel: major e-rickshaw OEMs including YC Electric, Saera Electric, and Hero Electric have established relationships with banks and non-banking financial companies (NBFCs) to offer vehicle financing packages that include the battery as a component of the loan. State Bank of India, HDFC Bank, and Bajaj Finserv offer e-rickshaw loans covering 70–90% of vehicle cost over 3–5 year tenures, with the battery included in the financed asset. The third and fastest-growing channel is Pay-As-You-Go (PAYG) battery rental — an emerging model in which battery specialists (rather than vehicle OEMs) rent battery packs to e-rickshaw operators for ₹50–80 per day. This model eliminates the upfront battery cost entirely for the operator and transfers the replacement risk to the battery provider. PAYG battery rental is growing approximately 30% annually in Delhi and Mumbai, concentrated among urban transport operators who value predictability of daily operating costs. For foreign battery suppliers, PAYG models offer a pathway to premium segment participation without requiring the individual operator to make a large upfront purchase decision.

    Section 6

    Contact CHISEN to discuss your Indian e-rickshaw battery supply requirements. We offer BIS-certified battery SKUs (12V 100Ah, 12V 120Ah, 12V 150Ah) compliant with IS 1651 and FAME II requirements, competitive CIF pricing to Nhava Sheva, Kolkata, and Chennai ports, and volume discount structures designed for regional distributor supply agreements. Our team supports market entry planning, tender documentation, and specification support for both replacement market and OEM qualification processes.

    📧 Email: sales@chisen.cn

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  • Nordic Telecom Battery Market 2026

    Nordic Telecom Battery Market: Scandinavia Opportunities in Backup Power, Cold Climate Energy Storage & Network Infrastructure 2026

    Introduction: Why the Nordic Countries Are the World’s Most Demanding Market for Cold-Climate Battery Systems

    Scandinavia operates some of the most advanced telecom networks in the world — with 4G coverage extending to remote islands in Norway, 5G rollouts in Stockholm, Helsinki, and Copenhagen, and telecom towers at latitudes above 65°N in northern Norway, Finland, and Sweden. The operating environment is unlike anywhere else: ambient temperatures in northern Scandinavia reach -40°C in winter, with extreme wind loading on tower structures and challenging soil conditions for ground-based installations. For telecom battery buyers and distributors, the Nordic market represents the highest-quality, most technically demanding customer base in Europe — and the most demanding test environment for battery performance in the world. Meeting Nordic telecom battery specifications is effectively a global quality benchmark. This article maps the Nordic telecom battery market, explains cold-climate battery chemistry requirements, and identifies the market entry pathways for international battery suppliers.

    The Nordic market is characterized by four structural advantages that make it disproportionately attractive for premium battery suppliers. First, the operators are large, well-capitalized, and have multi-year procurement programs. Second, technical specifications are the most rigorous in Europe, creating genuine barriers to entry that reward quality. Third, the cost of battery failure at remote sites is extremely high (€500–2,000 per site visit in northern regions), which means operators prioritize total cost of ownership over upfront price — creating the market conditions where premium LFP batteries demonstrate their value proposition most clearly. Fourth, sustainability requirements are already at the level that EU Battery Regulation 2023/1542 will mandate by 2031, giving suppliers who are ahead of the curve a multi-year competitive advantage.

    Section 1: The Nordic Telecom Network Scale and Battery Demand

    The Nordic region (Denmark, Finland, Iceland, Norway, Sweden) has approximately 42,000 telecom tower sites, with the highest site density per capita in Europe. Telenor (Norway), Tele2 (Sweden), Telia (Sweden-Finland), and TDC (Denmark) are the four dominant MNOs. The total Nordic telecom battery market by site count: Norway (~11,000 sites), Sweden (~14,000 sites), Finland (~9,000 sites), Denmark (~6,000 sites), Iceland (~2,000 sites). Each site requires 2–8 hours of backup at typical specifications. The market is transitioning from VRLA AGM to LFP due to the superior cold-climate performance of LFP (discharge capability at -20°C without derating). Annual battery replacement demand: approximately 12,000–18,000 units/year across chemistry transitions.

    The Nordic telecom battery market is at an inflection point. The 4G networks built in the 2010–2018 period were typically equipped with VRLA AGM batteries with 5–8 year design life. Many of these batteries are reaching end-of-life simultaneously, creating a synchronized replacement wave. Simultaneously, the 5G rollout is creating incremental battery demand at both existing sites (battery capacity upgrades) and new site builds. The combination of these two demand drivers — replacement of aging VRLA AGM and incremental demand from 5G — is driving the 25–35% annual market growth projected for Nordic telecom batteries through 2028.

    Beyond the four dominant MNOs, the Nordic market includes tower companies (like Telia Towers, a separate entity from the MNO), independent tower operators (like Nordic Telecom Infrastructure), and a significant number of smaller regional operators and utility-owned telecom businesses. These secondary operators are typically faster decision-makers than the major MNOs and represent a practical entry channel for new battery suppliers.

    Section 2: The Choice — Battery Chemistry Comparison for Nordic Telecom Applications

    ChemistryCold Performance (-20°C)Cycle Life (PSoC)Nordic Site SuitabilityTypical Price Range (48V 200Ah)
    VRLA Standard AGMLimited, -10°C min400–600 cyclesNot recommended for northern sites$1,200–1,800
    VRLA Extended Runtime-20°C operation possible (derated)500–700 cyclesSuitable for South Nordic sites (Denmark, South Sweden)$1,500–2,200
    OPzV Tubular Gel-25°C operation, minimal derating1,200–1,500 cyclesRecommended for all Nordic site types$2,500–3,500
    LFP Lithium-Ion-30°C operation, integrated heating4,000–6,000 cyclesPreferred for new builds and 5G sites; long-term best economics$5,000–8,000
    Sodium-Ion (emerging)-30°C operation2,000–3,000 cyclesNew entrant, limited deployment data$6,000–9,000

    The Chemistry Decision: Why LFP is Winning the Nordic Transition

    The VRLA AGM to LFP transition in Nordic telecom is driven by a convergence of technical and economic factors that are more compelling in Scandinavia than anywhere else. The primary driver is cold-climate performance: at -20°C ambient, a VRLA AGM battery delivers 60–70% of its rated capacity and is at risk of freezing if discharged below 50% SOC in cold temperatures. An LFP battery with integrated heating maintains 85–95% of rated capacity at -20°C ambient, with the BMS managing heating power draw during standby to maintain cell temperature above 0°C.

    The total cost of ownership math is equally compelling. Consider a remote Nordic site in northern Finland with one maintenance visit per year, helicopter logistics at €1,500–3,000 per visit, and a 10-year network lifecycle. A VRLA AGM battery with 5-year design life requires two replacement cycles (2 × battery cost + 2 × maintenance visit). An LFP battery with 10-year design life requires one replacement cycle. The LFP battery costs €3,000–5,000 more upfront but eliminates €3,000–9,000 in maintenance visits — a net saving that makes the economics unambiguous for remote site applications.

    OPzV tubular gel batteries occupy a credible middle ground for sites where LFP pricing is prohibitive but VRLA AGM is inadequate. OPzV’s superior cycle life (1,200–1,500 cycles) and better cold performance (-25°C operation) make it suitable for sites in southern Scandinavia and for retrofit applications where the existing rectifier infrastructure cannot support LFP charging profiles without modification.

    Section 3: The Framework — Nordic Market Entry Strategy

    Target Segment 1: New 5G Network Deployments (Preferred Entry Point)

    The Nordic 5G rollout is driving new battery requirements: 5G macro sites consume 2–3× the power of 4G sites due to the higher frequency (3.5 GHz and 26 GHz) and denser network topology. This creates demand for new battery installations at existing 4G sites that cannot be upgraded without battery capacity expansion. LFP is the preferred chemistry for 5G sites due to its compact footprint (40–60% less floor space than equivalent AGM), high cycle life matching the 5G network lifecycle, and ability to operate without dedicated battery rooms. The major Nordic operators are actively pursuing LFP migration for all new 5G sites.

    5G deployment in the Nordic countries is advancing rapidly. Sweden’s 5G auction was completed in 2021 with coverage obligations attached to the major spectrum blocks. Norway and Finland followed in 2022–2023. The operators — Telenor, Tele2, and Telia — are each pursuing 5G rollout programs with battery specifications that favor LFP. For battery suppliers, the 5G new-build segment is the highest-quality entry opportunity: clean specifications, new infrastructure, and multi-year procurement programs.

    The 5G site battery specification typically requires: 4–8 hours autonomy at the increased 5G power load; LFP chemistry; integrated BMS with remote monitoring capability (operator-controlled via SNMP or proprietary protocols); compatibility with the operator’s existing power system management platforms; and CE marking with IEC 62619 certification. The procurement process for 5G site batteries typically follows a framework agreement structure: operators sign 2–3 year supply agreements with pre-qualified battery suppliers, with call-off orders issued as sites are deployed.

    Target Segment 2: Rural and Remote Sites (Long-Term Growth)

    Northern Norway (Finnmark, Tromsø), northern Sweden (Norrbotten), and northern Finland (Lappi) have remote telecom sites with challenging logistics — sites accessible only by snowmobile, boat, or helicopter for months each year. For these sites, the priority is maximum reliability and minimum maintenance visits. LFP’s longer cycle life and low self-discharge rate make it ideal. The challenge: logistics costs to these sites can reach €500–2,000 per site visit, making a battery that lasts 10 years (vs. 3 years) worth €10,000–30,000 in avoided maintenance costs per site.

    For battery suppliers, the remote site segment rewards reliability over all other attributes. The purchasing decision is typically made by the network operations team (technical), not the procurement team (commercial), which means technical specifications and field performance data carry more weight than pricing in the evaluation. Battery suppliers should invest in field trial programs at remote Nordic sites to generate performance data that can be used in future tender submissions. A successful 3-year field trial in Finnmark or Norrbotten is worth more in credibility than any number of sales presentations.

    Target Segment 3: Data Center Backup (High-Value Niche)

    Nordic countries (Iceland, northern Sweden, Norway) host major data center clusters due to their cool climates (reducing HVAC energy costs by 40–60% vs. warm-climate data centers) and abundant renewable electricity (hydroelectric in Norway, geothermal in Iceland). Iceland has become a major destination for hyperscale data centers (Borgar, Verne, now Thor Data Centers). These data centers require high-quality LFP UPS systems with 15–20 minute autonomy at extremely high power density.

    The Nordic data center market is growing at 15–20% annually, driven by the construction of new hyperscale facilities and the expansion of existing colocation capacity. Battery backup in data centers is specified differently from telecom tower applications: the focus is on high-rate discharge performance (high power for short duration), high round-trip efficiency, and long float life. LFP UPS systems are displacing VRLA UPS at a rapid rate in Nordic data centers, driven by LFP’s superior efficiency (92–96% vs. 78–85% for VRLA AGM) and smaller footprint.

    Iceland’s data center market deserves special attention. With ambient temperatures that rarely exceed 15°C even in summer, Icelandic data centers can operate with minimal mechanical cooling — reducing PUE (Power Usage Effectiveness) to 1.03–1.10, among the lowest globally. At these operating temperatures, LFP batteries achieve cycle lives well beyond their rated specifications, making the total cost of ownership case for LFP UPS overwhelming over a 10–15 year operating period.

    Section 4: The Trust — 5 Cold-Climate Truths for Nordic Telecom Battery Buyers

    1. Battery Heating Systems are Non-Negotiable for Northern Installations

    For sites in northern Scandinavia where ambient temperatures fall below -20°C for extended periods, LFP batteries with integrated heating systems (consuming 50–150W during standby to maintain cell temperature above 0°C) are required. These heating systems add €200–500 to the battery cost but prevent the 20–30% capacity loss that occurs at extreme cold temperatures. The heating system is not optional for sites in Finnmark, Tromsø, Norrbotten, or Lapland — it is a fundamental design requirement that must be specified in the battery datasheet and verified in testing.

    Battery heating systems in Nordic telecom applications typically draw power from the site rectifiers during standby (when grid power is available), with the battery itself providing heating power only during outage events. For sites with frequent power outages in winter, specifying sufficient heating capacity to maintain cell temperature during extended outages is critical to preventing cold-temperature damage to battery cells.

    2. Wind Loading on Tower Battery Enclosures

    Nordic telecom towers are exposed to extreme wind loading (design wind speed of 45–55 m/s in coastal Norway). Battery enclosures must be structurally rated to EN 1993 (Eurocode 3) for wind loading, which most standard enclosures do not meet. Tower-mounted battery enclosures in Norwegian coastal areas must withstand not just extreme wind loads but also salt spray and ice accumulation, which compound the structural loading. Battery suppliers should ensure their outdoor enclosures carry documented structural load ratings for the specific wind zones relevant to Nordic deployments.

    The structural requirements for tower-mounted enclosures are specified by the MNOs in their technical standards documents. Telenor’s technical specification for outdoor cabinets (TSK 501) specifies minimum wind load ratings and structural testing requirements. Battery suppliers whose enclosures do not meet these specifications will be disqualified from Nordic MNO tender processes regardless of battery performance.

    3. UV-Resistant Materials for Outdoor Enclosures

    In Scandinavia, summer UV levels are high despite the latitude (ozone layer depletion effects are most pronounced at high latitudes). Outdoor battery enclosures must use UV-resistant materials (ISO 4892 certification) or be installed in sheltered locations. ISO 4892 is the international standard for laboratory accelerated weathering testing, and Nordic MNO specifications typically require UV resistance documentation as part of the enclosure type approval process.

    This requirement has caught out a number of battery suppliers who assumed that Scandinavian latitudes meant low UV exposure. The combination of high summer UV (particularly above 60°N) and long summer daylight hours (18+ hours per day in June/July) creates significant UV stress on outdoor enclosures. Polymer-based enclosure materials that are UV-stable in Mediterranean conditions may fail prematurely in Nordic outdoor deployments.

    4. The TCO of Quality vs. Budget Batteries is Most Extreme in Remote Sites

    For a remote site in northern Finland with one maintenance visit per year and helicopter logistics at €1,500–3,000 per visit, a battery that fails after 3 years instead of 10 years costs €3,000–9,000 in additional maintenance visits alone. When combined with the cost of battery replacement and potential site downtime (which carries SLA penalties from the MNO to its customers), the total cost of a budget battery at a remote Nordic site can be 3–5× the upfront price difference.

    Nordic MNOs are increasingly specifying total cost of ownership (TCO) evaluation criteria in their battery tenders, weighting the calculation to account for the full lifecycle cost of battery ownership including maintenance visits, logistics, and failure risk. Battery suppliers who can provide credible TCO calculations and reference sites demonstrating long service life have a significant competitive advantage in Nordic tender evaluations.

    5. Nordic Operator Sustainability Requirements are Already at 2031 EU Regulatory Levels

    All four major Nordic MNOs have net-zero targets (Telenor: 2030, Telia: 2030, Tele2: 2040). They are increasingly specifying batteries with documented recycled content, responsible mineral sourcing (cobalt, lithium from ethical supply chains), and end-of-life take-back commitments. These sustainability requirements are becoming disqualifying criteria in tender evaluations.

    The EU Battery Regulation 2023/1542 mandates minimum recycled content declarations for industrial batteries above 2kWh starting 2027, with mandatory minimum recycled content thresholds from 2031. Nordic operators are effectively implementing these requirements 3–5 years ahead of the regulatory deadline, giving them a head start on supply chain compliance. Battery suppliers who can provide EU Battery Regulation 2023/1542 compliance documentation, Responsible Minerals Initiative (RMI) conflict minerals reporting, and end-of-life take-back scheme participation will find the Nordic market significantly more accessible than suppliers who have not yet addressed these requirements.

    Section 5: FAQ

    Q1: How do Nordic telecom operators handle the transition from VRLA AGM to LFP in existing tower sites?

    The transition from VRLA AGM to LFP in existing Nordic tower sites requires careful handling of the existing DC infrastructure. Most Nordic tower sites have 48V DC bus systems with rectifiers rated for lead-acid charging characteristics. LFP batteries require BMS-controlled charging with different voltage profiles (3.5–3.65V/cell for float vs. 2.27V/cell for VRLA AGM). The transition requires either: (1) rectifier system upgrade with LFP-compatible rectifiers (preferred for new 5G sites), or (2) installation of a standalone LFP system with its own BMS and charger integrated into the existing 48V DC bus (retrofit approach, more cost-effective but more complex).

    Q2: What are the key certification requirements for telecom batteries sold in Nordic markets?

    CE marking (mandatory for all electrical equipment in the EU/EEA). IEC 62619 (industrial battery safety). EN 50604-1 (battery safety for light electric vehicles, relevant for telecom outdoor enclosures). For outdoor installations: IP54 minimum (typically required by operator specifications). For Icelandic data centers: the Icelandic safety authority (Vinnueftirlitið) also requires UL 9540 for BESS installations.

    Q3: Why does LFP outperform NMC in Nordic cold-climate conditions specifically?

    At temperatures below -10°C, NMC lithium batteries experience lithium plating during charging (reduced charging efficiency, safety risk), while LFP batteries can be charged at reduced rates with minimal plating risk. At -20°C ambient without heating: NMC capacity is typically 40–60% of rated capacity, while LFP retains 70–80% of rated capacity without heating, and 85–95% with standard BMS-controlled low-current heating. LFP’s superior cold-weather performance makes it the default choice for Nordic telecom outdoor applications.

    Q4: What is the Nordic green electricity advantage for data center battery applications?

    Iceland’s data centers operate on 100% renewable electricity (geothermal + hydroelectric) at electricity costs of $0.03–0.05/kWh — among the lowest globally. This creates an economic case for battery-backed UPS systems that would not be compelling at European average electricity costs ($0.15–0.25/kWh). At Icelandic electricity prices, the energy cost savings from LFP’s 92–96% round-trip efficiency vs. VRLA AGM’s 78–85% efficiency are significant over a 10-year operating period. A 500kW UPS system running at Icelandic electricity costs saves approximately $8,000–15,000 per year in energy costs alone when comparing LFP to VRLA AGM, in addition to the reduced cooling loads from higher UPS efficiency.

    Q5: How do sustainability requirements affect battery procurement for Nordic operators?

    The EU Battery Regulation 2023/1542 (European Battery Regulation) mandates that all industrial batteries above 2kWh capacity sold in the EU contain minimum recycled content declarations starting 2027 (6% for lead) and mandatory minimum recycled content thresholds from 2031. Nordic operators (Telenor, Telia) have added voluntary sustainability requirements above the regulatory minimum. Battery suppliers must provide: (1) EU Battery Regulation 2023/1542 compliance declaration; (2) Responsible Minerals Initiative (RMI) conflict minerals reporting for cobalt, tantalum, tin, tungsten, and gold; (3) end-of-life take-back scheme participation.

    Section 6: Contact CHISEN

    Contact CHISEN for Nordic telecom battery specifications, cold-climate test data packages, and sustainability documentation for EU Battery Regulation compliance. Our LFP and OPzV product lines are qualified for deployment across all five Nordic markets.

    📧 Email: sales@chisen.cn

    📱 WhatsApp: +86 131 6622 6999

    🌐 www.chisen.cn