OPzV2-1500 2V1500Ah Tubular Gel Battery: Complete 2026 B2B Buyer & Procurement Guide

Direct Answer (30-Second Read)

The OPzV2-1500 2V1500Ah is a tubular-gel valve-regulated lead-acid (VRLA) cell from CHISEN — 2V nominal voltage, 1500Ah C10 capacity, 275×210×796mm, 103kg, IEC 60896 / DIN 40472 / GB/T 19638 compliant, ≥1500 cycles @ 80% DOD, 20+ year float design life at 25°C. Best fit: large data center UPS, substation control backup, railway signaling, and C&I solar storage. For B2B buyers sourcing in 2026, send “system voltage + backup hours + load” to sales@chisen.cn to receive a free Excel sizing sheet + FOB/CIF quote within 24 hours.

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Key Takeaways (5 Bullets)

1. Real buyer search format is “OPzV2-1500 2V1500Ah” — never search just “OPzV battery” or “2V 1500Ah” alone. Use this exact model+spec combination in your RFQ.
2. 1500Ah @ C10 in a 2V single cell = 3.0 kWh per cell. To build a 48V/110V/220V/380V system, you need 24/54/108/190 cells in series — each weighing 103kg.
3. Tubular positive plate + nano-gel electrolyte + VRLA sealing gives 20+ year float life vs 8-12 years for AGM flat-plate, and 1.5-2× the cycle life of AGM.
4. CHISEN factory direct pricing starts at sample MOQ 1 cell, bulk 200+ cells, OEM/ODM supported (Pantone shell color, laser engraving, custom packaging).
5. Wide temperature range -40°C ~ +65°C discharge + 2%/month self-discharge = suitable for unattended telecom base stations in desert, alpine and tropical climates.

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§1 Product Definition & 4 Core Advantages

The OPzV2-1500 2V1500Ah is a 2V / 1500Ah tubular-gel valve-regulated lead-acid (VRLA) battery manufactured by CHISEN (Zhejiang Chisen Battery Co., Ltd), a 20+ year battery brand established in 2002, exporting to 60+ countries. The “1500” denotes rated C10 capacity in ampere-hours; “OPzV” follows the DIN 40472 naming convention (Ortsfeste Panzerplatten = stationary tubular armor plate + Valve Regulated + GEL electrolyte).

Technology Roadmap: Tubular positive plate (Pb-Ca alloy die-cast grid + fiberglass-wrapped PbO₂ active material) + nano-SiO₂ gel electrolyte (immobilized, no stratification) + VRLA sealed structure (triple-sealed terminals + integrated explosion-proof/acid-filter safety valve).

System Voltage Configurations (1500Ah cells in series):

4 Core Advantages

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§2 Core Specifications — Quick Reference Table

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§3 Model Naming Rules — DIN 40472 Explained

CHISEN OPzV2-1500 follows DIN 40472 (German standard for tubular valve-regulated batteries) + IEC 60896 international naming. Decode each letter:

Practical takeaway: When you see “OPzV” on any datasheet, you can immediately recognize it as a tubular-gel sealed battery compatible with DIN 40472. This matters for procurement because DIN 40472 is the gold standard recognized across 60+ countries for industrial backup power tenders.

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§7 Application Scenarios — 5 Real Buyer Cases

The OPzV2-1500 2V1500Ah is specifically designed for large-capacity backup / energy storage scenarios where 1000+ Ah cells are required and the system must run unattended for 15-20 years:

① Large Data Center UPS (>500 kVA)

• 48V battery string (24 cells) = 72 kWh per string; 4 strings in parallel = 288 kWh
• Float at 2.25V/cell = zero active maintenance; remote monitoring only
• IEC 60896-21 + Eurobat Long Life certified — tender-ready for EU/NA hyperscale data centers

② Substation / Power Plant DC Control Backup

• 110V or 220V DC systems (54 / 108 cells) for relay protection + circuit breaker operation
• Operates at -30°C ~ +55°C ambient without active cooling — fits outdoor control cabinets
• 20-year design life matches HV substation equipment refresh cycles

③ Railway Signaling Systems

• 48V or 110V DC for signal lights, point machines, track circuits
• EN 50155 anti-vibration tested; -40°C ~ +65°C for cross-country rail (Sahara, Siberia, Andes)
• Long service intervals (≥10 years between replacements) reduce trackside maintenance cost

④ C&I Solar / Wind Energy Storage (Off-grid & Hybrid)

• 48V / 220V strings for 50 kW – 500 kW PV plants; 1500Ah cell handles daily deep cycle (80% DOD)
• Nano-gel electrolyte tolerates partial state-of-charge (PSOC) operation — superior to AGM in PV applications
• 1500+ cycles @ 80% DOD = 4+ years at 1 cycle/day, 10+ years at 0.4 cycles/day

⑤ Telecom Central Office / Tier-1 Base Station

• 48V DC systems for 5G core networks, data center edge sites, undersea cable landing stations
• 2%/month self-discharge = 1-year storage without recharge — simplifies spare-battery inventory
• Triple-sealed + safety valve = no acid mist, safe for indoor equipment rooms

Real Customer Cases (de-identified)

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§8 OPzV vs OPzS vs AGM — Complete 22-Criterion Comparison

If your project requires 1500Ah cells, you will likely be choosing between three lead-acid technologies. Here is the full decision matrix:

Core Electrical (10 criteria)

Environmental (4 criteria)

Lifetime & Cycling (4 criteria)

Maintenance & Installation (4 criteria)

Selection Decision (If You Care About X → Choose Y)

B2B Bottom Line: For 1500Ah 2V cells in unmanned backup applications, OPzV wins on TCO (Total Cost of Ownership) due to zero maintenance over 20 years. For daily deep-cycle solar applications with regular maintenance access, OPzS wins on cycle life.

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§9 Tubular Plate vs Flat Plate — Why It Matters for 1500Ah

At 1500Ah capacity, plate design becomes the dominant factor in battery longevity. Here’s why tubular wins:

Tubular positive plate technical principle: Fiberglass tube completely wraps the positive active material (PbO₂), preventing shedding and deformation during deep discharge. This is the core design requirement of DIN 40472.

Cycle Life vs DOD — CHISEN OPzV2-1500 Spec Sheet Curve

20-Year TCO (Total Cost of Ownership) Comparison — 48V 1500Ah System

B2B conclusion: Tubular batteries cost 1.5-2× more than AGM flat-plate initially, but last 2× longer, making 20-year TCO 30-40% lower than AGM.

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§10 Capacity Sizing Formula + Solar/Wind Configuration

Battery capacity (Ah) = Load power (W) × Backup hours (h) ÷ Bus voltage (V) ÷ Inverter efficiency ÷ Temperature coefficient

Where:

• Inverter efficiency: UPS = 0.85 / DC load = 1.0
• Temperature coefficient: 25°C = 1.0 / 35°C = 0.85 / 45°C = 0.70 (high-temp derating)
• Recommended safety margin: 20-30%

Example 1: Telecom Base Station 48V System, 4-8h backup

• Load 1 kW, backup 4h, bus 48V, efficiency 0.85, temp 25°C
• Capacity = 1000 × 4 ÷ 48 ÷ 0.85 ÷ 1.0 ≈ 98Ah
• Recommend: OPzV2-100 (24 cells in series for 48V), 2% margin

Example 2: 5 kW Solar Storage System, 4h backup

• Load 5 kW, backup 4h, bus 48V, efficiency 0.85, temp 25°C
• Capacity = 5000 × 4 ÷ 48 ÷ 0.85 ÷ 1.0 ≈ 490Ah
• Recommend: OPzV2-500 (24 cells), 2% margin

Example 3: Large 50 kW PV Plant, 8h backup (off-grid mountain resort)

• Load 50 kW, backup 8h, bus 220V (108 cells), efficiency 0.85, temp 25°C
• Capacity = 50000 × 8 ÷ 220 ÷ 0.85 ÷ 1.0 ≈ 2139Ah
• Recommend: OPzV2-1500 (108 cells = 162 kWh) — or upgrade to OPzV2-2000 for 30% margin

Example 4: 110V DC Substation Control, 10h backup

• Load 0.5 kW, backup 10h, bus 110V, efficiency 1.0 (DC load), temp 25°C
• Capacity = 500 × 10 ÷ 110 ÷ 1.0 ÷ 1.0 ≈ 45Ah
• Recommend: OPzV2-100 (54 cells in 108V system), 100% margin

Solar / Wind System Configuration Parameters (CHISEN spec sheet p1, measured)

Free engineering sizing: Send “system voltage + load power + backup hours + operating temperature” to sales@chisen.cn — receive complete Excel sizing sheet + FOB/CIF/EXW quote within 24 hours.

5-Step Selection Decision Framework

Step 1 — Confirm system voltage + series count:

• Telecom base station / PV / UPS / railway / medical / marine → 24 cells (48V) / 54 cells (108V, 110V compatible) / 108 cells (216V, 220V compatible) / 190 cells (380V three-phase DC)

Step 2 — Select capacity: Apply the formula, choose closest standard (100 / 200 / 300 / 500 / 1000 / 1500 / 2000 / 3000 Ah), reserve 20-30% margin

Step 3 — Verify cycle life + battery type:

• Float standby (base station / UPS) → OPzV (maintenance-free 20+ years)
• Deep cycle (PV daily 1 cycle) → OPzV or OPzS (tubular ≥1500 cycles)
• High current (data center UPS > 500 kVA) → OPzS (short-circuit 1500A+)

Step 4 — Verify dimensions + weight:

• OPzV2-1500: 275×210×796mm / 103kg per cell. Battery cabinet/rack needs ≥50mm heat dissipation spacing.

Step 5 — Select after-sales + certifications:

• For tender / customs clearance, match destination-country standards (see §4)
• Recommend CHISEN: 20+ year brand + 60+ country export experience + assists with destination-country certifications on demand

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§11 Cycle Life Details + 20-Year TCO (Tubular vs AGM)

CHISEN OPzV2-1500 2V1500Ah cycle life ≥1500 cycles @ 80% DOD (IEC 60896-21 standard test conditions, 25°C). The tubular positive plate design is the core advantage — at the same capacity, cycle life is 1.5-2× that of flat-plate batteries.

Tubular vs Flat-Plate Positive Plate Cycle Life Comparison (DIN 40472 + measured)

Application-Specific Cycle Life Guidance

Tubular positive plate working principle: Fiberglass tube completely wraps the positive active material (PbO₂), preventing shedding and deformation during deep discharge, extending deep cycle life. This is the core design requirement of DIN 40472.

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§12 Float Voltage Setting + Temperature Compensation

CHISEN OPzV2-1500 2V1500Ah standard float voltage is 2.25-2.27V/cell (25°C, with independent -5mV/°C equalize compensation), and requires float temperature compensation -3.3mV/°C/cell.

Float voltage temperature compensation formula (IEC 60896-21:2004):
V_float(actual temp) = 2.27V + (-3.3mV/°C) × (actual temp - 25°C)

Equalize voltage (independent compensation): 2.30-2.35V/cell (@25°C) with -5mV/°C/cell compensation — used for monthly lagging-cell recovery (≤24h, return to float after).

Float voltage accuracy requirement: ±1% (±25mV); exceeding this range significantly shortens battery life.

Float current: < 5mA/Ah (CHISEN spec), i.e. for 1500Ah battery, float current < 7500mA.

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§13 Operating Temperature Range (Discharge / Charge / Storage)

CHISEN OPzV2-1500 2V1500Ah operating temperature by scenario (per spec sheet):

• Discharge: -40°C ~ +65°C (gel electrolyte tolerates higher temp than flooded)
• Charge: -30°C ~ +65°C (high-temp upper limit satisfies tropical applications)
• Storage: -25°C ~ +45°C (most stringent storage condition)

Best operating temperature: 25°C (rated capacity definition point).

Temperature vs Capacity (OPzV spec Capacity vs Temperature curve, 10HR rate)

Temperature vs Float Life (spec Temperature vs Float Life curve, measured)

High-altitude requirements (GB/T 19638):

• ≤ 3000m: normal use without special treatment
• > 3000m: capacity derate 8% per 1000m elevation gain
• Extreme high altitude (> 5000m): special order required (low-pressure sealing + reinforced container)

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§14 Self-Discharge Rate & Storage Conditions

CHISEN OPzV2-1500 2V1500Ah self-discharge rate is 2%/month (CHISEN spec measured, 20°C full charge storage — note: industry commonly uses 25°C baseline; spec sheet uses 20°C).

Self-Discharge Curve vs Storage Temperature (CHISEN spec measured)

Storage Duration Without Recharge by Temperature

• 20°C: Storable 1 year (OPzV) / 9-12 months (OPzS), remaining capacity 65-75%
• 25°C: Storable 1 year (OPzV) / 9-12 months (OPzS)
• 35°C: Only 6-9 months before recharge, remaining 60-70%
• 45°C: Only 3 months before recharge, remaining 55-65%
• 15°C: Storable 18-24 months without recharge, remaining 65%+
• -20°C: Storable 24+ months without recharge

Storage recommendations: Full-charge storage in -25°C ~ +45°C dry, ventilated environment, avoid direct sunlight, organic solvents, corrosive gases. Recharge every 3-6 months (constant voltage 2.27V/cell for 24 hours). Batteries stored >12 months must pass capacity test before redeployment.

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§15 Max Charge Current & Discharge Termination Voltage

CHISEN OPzV2-1500 2V1500Ah recommended max charge current: 300A (max allowed, spec measured).

Charge Parameter Recommendation Table (IEC 60896 + GB/T 19638)

Charge temperature compensation: Charge voltage follows float voltage with -3.3mV/°C/cell (float) and independent -5mV/°C/cell (equalize).

Charge termination judgment: Battery considered full when charge current drops below 0.5% C₁₀ (7.5A for 1500Ah cell).

Discharge Termination Voltage (CHISEN spec)

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§16 OEM / ODM Customization — One-Stop Service

CHISEN OPzV2-1500 2V1500Ah supports comprehensive OEM / ODM customization. All customization preserves standard spec performance.

MOQ & Lead Time:

• Sample order: 1 cell (email inquiry)
• Small batch: 24 cells (24V system = 12 cells + 12 backup) / 48 cells (48V system = 24 cells + 24 backup)
• Bulk: 200+ cells (multi-voltage combinations with full OEM customization)

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§17 OPzV2-1500 FAQ — 25 Engineer-Reviewed Questions

Q1: What is the float voltage setting for OPzV2-1500?

A: Standard float voltage 2.25-2.27V/cell @25°C with mandatory temperature compensation -3.3mV/°C/cell (IEC 60896-21).

Q2: What is the cycle life of OPzV2-1500?

A: ≥1500 cycles (80% DOD, 25°C), float standby life 20+ years. Tubular positive plate design delivers 1.5-2× the cycle life of flat-plate AGM.

Q3: What is the operating temperature range of OPzV2-1500?

A: Discharge -40°C ~ +65°C / Charge -30°C ~ +65°C / Storage -25°C ~ +45°C (optimal 25°C). OPzV gel tolerates higher temperature than flooded types.

Q4: What is the self-discharge rate of OPzV2-1500?

A: 2%/month (CHISEN spec measured at 20°C full charge). Storable 1 year without recharge.

Q5: What type of battery is OPzV2-1500?

A: Tubular GEL VRLA (valve-regulated lead-acid) battery. Tubular positive plate structure + gel electrolyte + VRLA sealed.

Q6: What is the difference between OPzV2-1500 and OPzS2-1500?

A: OPzV is gel-sealed valve-regulated, maintenance-free; OPzS is flooded vented, requires periodic water refill (vertical mounting only). OPzV has higher short-circuit current (1700A vs 1500A), OPzS has slightly lower internal resistance (1.0 vs 1.1 mΩ), OPzS is cheaper.

Q7: What is the internal resistance of OPzV2-1500?

A: Approximately 0.36 mΩ at full charge (25°C). Short-circuit current approximately 5500A.

Q8: How should I charge OPzV2-1500?

A: Recommended CC-CV (constant current-constant voltage): float 2.25-2.27V / equalize 2.30-2.35V / cycle 2.35-2.40V. Max charge current 300A.

Q9: What are the storage conditions for OPzV2-1500?

A: -25°C ~ +45°C dry, ventilated environment; no recharge needed within 6 months of storage. For storage > 6 months, recommend a full charge (2.25-2.27V/cell × 24h).

Q10: What international standards does OPzV2-1500 comply with?

A: 7+ standards including IEC 60896-21/22, IEC 61427, DIN 40472, GB/T 19638, YD/T 1360, Eurobat Long Life, BS 6290 Pt 4 / UL 1989.

Q11: What is the weight of OPzV2-1500?

A: 103 kg (227 lbs), with electrolyte (CHISEN spec measured); excluding packaging and terminals.

Q12: What are the dimensions of OPzV2-1500?

A: Length 275mm × Width 210mm × Height 831mm (incl. terminal).

Q13: What is the terminal torque for OPzV2-1500?

A: 10-12 N·m (Φ20-M8 bolt terminal).

Q14: What is the short-circuit current of OPzV2-1500?

A: Approximately 5500A (25°C full charge). Meets large UPS short-circuit protection requirements.

Q15: What is the float design life of OPzV2-1500?

A: 20+ years (25°C float voltage 2.25-2.27V with -3.3mV/°C temperature compensation).

Q16: How do I choose between OPzV2-1500 and AGM flat-plate?

A: Tubular positive plate offers longer life (1500+ cycles vs 500-1000), suitable for long-term projects and critical backup. AGM flat-plate is cheaper, suitable for short-term or budget-sensitive applications. See §11 TCO chapter.

Q17: What is the installation orientation for OPzV2-1500?

A: Can be installed vertical / horizontal / side (not inverted). Suitable for confined cabinet spaces. OPzV valve-regulated design has zero electrolyte leakage risk.

Q18: Does OPzV2-1500 require water refill?

A: No. OPzV valve-regulated + gel electrolyte requires no water refill throughout its service life.

Q19: How does temperature affect OPzV2-1500 capacity?

A: 40°C = 105% / 25°C = 100% / 0°C = 80% / -20°C = 55% capacity (10HR discharge rate, per CHISEN spec Capacity vs Temperature curve).

Q20: What documents are required to export OPzV2-1500?

A: Standard documents: packing list + commercial invoice + CO certificate of origin + MSDS + UN2794 transport classification. Destination-country special certifications (SONCAP / PVOC / SASO / BIS / ESMA) can be arranged on request.

Q21: What is the MOQ for OPzV2-1500?

A: Sample 1 cell / 24V system 12 cells / 48V system 24 cells / 110V system 54 cells / 220V system 108 cells. Bulk 200+ cells gets wholesale price.

Q22: What is the lead time for OPzV2-1500?

A: Please email sales@chisen.cn for quotation (lead time evaluated by quantity + destination country + expected delivery date).

Q23: What is the warranty for OPzV2-1500?

A: 24-month base warranty (from installation & commissioning). Can be extended to 36 months through tender negotiation.

Q24: Does OPzV2-1500 support OEM customization?

A: Yes, OEM/ODM one-stop customization: shell color, LOGO silk-screen, laser engraving, color box packaging, label customization, terminal replacement. MOQ 50-100 cells.

Q25: Does the OPzV2-1500 price include shipping?

A: EXW factory price; sea freight quoted per destination port (FOB/CIF/DDP optional). Contact sales@chisen.cn for quotation.

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§18 OPzV2-1500 Daily Use & Maintenance Guide (Engineer Best Practice)

CHISEN OPzV2-1500 daily use + maintenance recommendations. Following these guidelines extends battery life to 20+ years:

1. Charger Selection

• Must use industrial-grade smart charger (pulse desulfation function, matches 12V/24V/48V system voltage)
• Float 2.25-2.27V/cell (25°C) + temperature compensation -3.3mV/°C/cell
• Equalize 2.30-2.35V/cell (monthly, ≤24h)
• Max charge current 300A (per PDF spec measured, current-limited) — avoid high-current plate impact

2. Installation Environment

• Battery cabinet / rack installation, ≥100mm above floor (moisture-proof), ≥50mm from wall (heat dissipation)
• Operating temp -40°C ~ +65°C (discharge) / -30°C ~ +65°C (charge); forced ventilation above 45°C
• Altitude > 3000m: capacity derate 8% per 1000m (GB/T 19638)
• Avoid heat sources + direct sunlight + corrosive gases

3. Routine Inspection (Weekly / Monthly for Remote Sites)

• Terminal connection torque check 10-12 N·m, no loosening/oxidation/overheating (IR temperature measurement)
• Shell inspection: no bulging/leakage/cracks (OPzV valve-regulated sealed, normally no leakage)
• Cell voltage deviation < ±0.05V (exceeding triggers equalize state)
• Shell temperature vs ambient difference < 5°C (exceeding indicates connection/charging issue)

4. Long-Term Storage Standards

• Full-charge storage at -25°C ~ +45°C dry ventilated environment (avoid direct sunlight)
• Recharge every 3-6 months (constant voltage 2.25-2.27V/cell × 24h)
• Self-discharge rate 2%/month (25°C); after 1 year without charging, capacity test required before reuse
• Batteries stored > 2 years: derate use

5. Troubleshooting

• Capacity drop > 20% (vs nominal) → equalize 24h recovery; replace if ineffective
• Float voltage abnormal (> 2.4V or < 2.2V/cell) → check charger + temperature compensation
• Bulging / leakage / odor → immediately stop use, contact CHISEN after-sales
• Short circuit / reverse connection → check fuse + polarity marking (red positive, black negative)

6. First Use / Long-Term Idle Battery Activation

• Factory-new battery can be installed and operated immediately upon receipt (VRLA valve-regulated, no electrolyte filling step)
• Idle > 6 months: first discharge at 0.05C small current to 1.80V/cell, then charge per normal curve
• Series strings (48V / 110V / 220V) require “cell-matching equalize” before commissioning, ensure cell voltage deviation < 0.05V

7. Safety Notes

• Avoid metal tools simultaneously touching positive and negative terminals (short-circuit current 5500A can be fatal)
• No open flame in charging area (lead-acid charging produces hydrogen, explosion risk with flame)
• Wear protective goggles + acid-resistant gloves (electrolyte contains dilute sulfuric acid; if splashed in eyes, rinse with water for 15 min and seek medical attention)
• Scrapped batteries handled per UN2794 hazardous materials procedure (do not disassemble or pour electrolyte)

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§19 CHISEN Factory Strength + Global Service (Why Choose CHISEN)

Factory Scale:

• CHISEN brand established in 2002, specializing in tubular batteries for 20+ years
• 200+ models full product line covering 2V / 6V / 8V / 12V all voltage grades, capacity 4Ah-3000Ah
• Mainstream models in stock 100,000+ cells (immediate shipment)

Global Service Network:

• 60+ countries export experience (China / Southeast Asia / Europe / Africa / Middle East / Latin America / Central Asia / Oceania)
• Industrial projects in telecom / power / data center / solar / railway / medical
• 7×24 multilingual technical support (English / Chinese / Spanish / French / Arabic / Russian / Vietnamese)
• 12h email response / 24h complete quote / 48h complex project plan

Quality Control:

• Certification per customer request (certification items determined by customer)
• 100% factory inspection before shipment (capacity test + internal resistance test + voltage test + visual inspection)
• SPC statistical process control on critical processes (plate pasting / assembly / formation / sealing)
• Pre-shipment inspection with third-party agencies (SGS / TÜV / BV / CTI) per customer requirement

Export Support:

• One-stop customs documentation (commercial invoice / packing list / CO certificate of origin / MSDS / UN2794 transport classification / complete IEC 60896 test report)
• Multilingual technical documentation (EN / CN / ES / FR / AR / RU)
• Destination-country special certification assistance: SONCAP (Nigeria) / PVOC (Kenya) / SASO (Saudi Arabia) / BIS (India) / ESMA (UAE)

Long-Term Cooperation Policy:

• Dedicated technical contact for long-term customers
• OEM strategic partners share sales leads + training support

Sustainability Commitment:

• Lead-acid batteries recyclable
• Certification per customer request
• EU RoHS / REACH / WEEE compliant (export to Europe without restriction)

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§20 Contact CHISEN — 24-Hour Response Guarantee

[CHISEN Battery] 20+ years specializing in tubular battery export / verified by customers in 60+ countries.

Contact Methods:

1. Email inquiry: sales@chisen.cn (complete quotation + sizing plan within 24h)
2. Phone / WhatsApp: +86 131 6622 6999
3. Website: https://www.chisen.cn

24-Hour Response Promise:

• 24h first response to all inquiries
• 48h complete sizing + quotation for complex projects
• Free Excel sizing sheet + TCO analysis for tender documents

Procurement Decision Framework for OPzV2-1500 2V1500Ah:

For OPzV2-1500 2V1500Ah specifically, recommended RFQ template:

`
Subject: RFQ — OPzV2-1500 2V1500Ah Tubular Gel Battery
Body:
1. System voltage: [48V / 110V / 220V / 380V / Other]
2. Cells in series: [24 / 54 / 108 / 190 / Other]
3. Backup hours: [2h / 4h / 8h / 10h / Other]
4. Application: [Data center UPS / Substation / Railway / Solar / Telecom / Other]
5. Load power: [kW]
6. Destination country: [for shipping + certification]
7. Quantity: [cells]
8. Required certifications: [IEC / DIN / GB / UL / Other]
9. Target delivery date: [YYYY-MM-DD]
10. OEM customization: [Y/N, specify if Y]
`

Send to sales@chisen.cn — receive detailed response within 24 hours.

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Document Information:

• Title: OPzV2-1500 2V1500Ah Tubular Gel Battery Buyer Guide 2026
• Author: CHISEN Battery International Team
• Last Updated: 2026-09-19
• Source: CHISEN OPzV2-1500 official specification sheet + IEC 60896-21 + DIN 40472 + GB/T 19638.1-2014
• Target Audience: B2B procurement managers, project engineers, solar EPC contractors, telecom infrastructure specifiers
• Related Models: OPzV2-100 / OPzV2-200 / OPzV2-300 / OPzV2-500 / OPzV2-1000 / OPzV2-1500 / OPzV2-2000 / OPzV2-3000

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Disclaimer: All specifications are based on CHISEN OPzV2-1500 official datasheet and IEC/DIN/GB standard test conditions. Actual performance may vary depending on operating conditions, charging regime, and maintenance practices. For tender submissions or critical infrastructure, request the latest certified test report from CHISEN engineering team.

CHISEN

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