OPzV2-100 2V100Ah Tubular GEL VRLA Battery for Telecom Access, Small UPS and Off-Grid Solar — Complete B2B Buyer’s Guide

Answer First (30-Second Read)

Chisen OPzV2-100 2V100Ah is a 2V 100Ah tubular gel valve-regulated lead-acid (VRLA) battery engineered for distributed telecom access sites, small UPS cabinets and residential / small commercial off-grid solar systems. Built on tubular positive plates + nano-gel electrolyte + valve-regulated sealed structure, the OPzV2-100 2V100Ah delivers ≥1500 cycles at 80% depth of discharge (DOD), a 20+ year float design life at 25°C, and a wide operating temperature window of -40°C to +60°C. Each cell measures 103 × 206 × 390 mm, weighs 13.2 kg, and runs 24 cells in series to form a standard 48V DC telecom / UPS battery bank.

If you are a telecom access network engineer, a small UPS system integrator, an off-grid solar installer, or an industrial battery distributor comparing deep-cycle 2V cell suppliers, the OPzV2-100 2V100Ah should be the reference SKU on your shortlist.

5 Key Takeaways

1. **The OPzV2-100 2V100Ah is the smallest member of the Chisen OPzV2 tubular GEL family** — engineered for distributed capacity (100 Ah / 24-cell = 2.4 kWh at 48V) where AGM flat-plate cells underperform on cycle life and flooded OPzS cells require quarterly water topping.
2. **Tubular GEL beats flooded OPzS and AGM flat-plate on three B2B-critical dimensions**: cycle life (≥1500 vs 500-1000 for AGM at 80% DOD), maintenance burden (zero vs quarterly water refill for OPzS), and installation flexibility (vertical/horizontal/sideways vs vertical-only for OPzS).
3. **A 48V telecom access site built from 24 × OPzV2-100 2V100Ah cells delivers 2.4 kWh of usable storage at 80% DOD** — enough for a 1 kW load to run ~2 hours (or 4 hours at 0.5 kW), with a 20+ year design life at 25°C float.
4. **The OPzV2-100 2V100Ah ships in 6+ international standards compliance** (IEC 60896-21/22, DIN 40472, GB/T 19638.1-2014, Eurobat Long Life, BS 6290 Part 4, UL 1989), and supports OEM/ODM customisation (logo, color, terminal, label, packaging) — qualifying for 60+ country markets without separate certification rounds.
5. **Chisen factory-direct pricing cuts 15-25% off the OPzS reference cost** for an equivalent 100 Ah cell, and the GEL / VRLA design eliminates acid-fog venting — both of which reduce the total cost of ownership (TCO) over a 20-year deployment.

1. Chisen OPzV2-100 2V100Ah Product Definition and 4 Core Advantages

The Chisen OPzV2-100 2V100Ah is a 2V 100Ah tubular gel valve-regulated lead-acid (VRLA) battery, the smallest capacity cell in the Chisen OPzV2 series. It is engineered for distributed DC backup and cyclic storage applications where footprint, weight, maintenance access and cycle life are all critical.

Technical roadmap:

• **Positive plate:** Die-cast tubular grid, Pb-Ca alloy, with the active material (PbO₂) wrapped inside a corrosion-resistant fibreglass tube.
• **Electrolyte:** Immobilised nano-silica gel (SiO₂ fumed gel + H₂SO₄) — a three-dimensional gel structure that completely eliminates liquid stratification.
• **Container:** High-strength ABS, UL94 V-0 flame-retardant grade, opaque.
• **Sealing:** Triple terminal seal (epoxy + rubber ring + anti-leak ring) plus integrated explosion-proof / acid-filter safety valve (0.1–0.2 MPa automatic pressure regulation).

4 Core advantages:

Advantage	Technical implementation	Customer value
Tubular positive plate structure	Tubular positive grid + nano-gel electrolyte + valve-regulated sealed design	Cycle life ≥ 1500 cycles (80% DOD) and 20+ year float design life
Wide temperature range	-40°C to +60°C operating window (discharge) / -30°C to +65°C (charge)	Deployable from arctic base stations to tropical / desert solar sites without derating
Maintenance-free	Immobilised gel + sealed valve-regulated design	Zero water refills, zero acid-fog, installable in attended, unattended or remote sites
Standards compliance	6+ international / regional / industry standards (IEC 60896-21/22, DIN 40472, GB/T 19638.1-2014, Eurobat Long Life, BS 6290 Part 4, UL 1989)	One SKU can be sold into 60+ countries without re-certification rounds

Application scope: telecommunications (4G/5G access, indoor micro-cell, FTTH cabinet backup), renewable energy (small off-grid solar, residential PV+ESS), UPS (<5 kVA small systems), control power, security and fire alarm systems, railway signalling (small interlock boxes), and outdoor cabinet backup.

2. Chisen OPzV2-100 2V100Ah Core Specification Quick Reference

The table below is the OPzV2-100 2V100Ah core specification quick reference. Detailed standards are covered in §3, application scenarios in §4, float-voltage detail in §5, sizing formula in §6, cycle life and TCO in §7, OEM/ODM in §9, and FAQ in §10.

Parameter	Value	Standard / Note
Rated voltage	2V (DC)	Single cell
Rated capacity	100Ah (C₁₀)	10-hour rate to 1.80 V/cell at 25°C
Model	OPzV2-100	Tubular GEL VRLA battery
Applicable standards	IEC 60896-21/22 + DIN 40472 + GB/T 19638.1-2014 + Eurobat Long Life + BS 6290 Part 4 + UL 1989	6 standards (see §3)
Dimensions (L×W×H)	103 × 206 × 390 mm	Per CHISEN specification
Total height (with terminals)	390 mm	—
Battery weight (with electrolyte)	13.2 kg	—
Terminal type	Φ20-M8 female thread	—
Terminal torque	10-12 N·m	—
Operating temperature (discharge)	-40°C ~ +65°C	Wide window, gel-stable
Operating temperature (charge)	-30°C ~ +65°C	—
Operating temperature (storage)	-25°C ~ +45°C	—
Float voltage	2.25-2.27 V/cell (25°C)	-3.3 mV/°C/cell temperature compensation
Equalise voltage	2.30-2.35 V/cell (25°C)	Monthly or after deep discharge
Cycle charging voltage	2.35-2.40 V/cell (25°C)	For solar / off-grid cyclic use
Max charging current	30 A (0.30 C₁₀)	Per CHISEN spec
Max discharge current (5 s)	1500-1700 A	Per model variant
Self-discharge rate	≤ 2% / month (25°C, fully charged)	—
Internal resistance (fully charged / 25°C)	~1.1 mΩ	Per CHISEN spec
Short-circuit current	~1700 A	—
Cycle life (80% DOD)	≥ 1500 cycles	IEC 60896-21/22 test conditions
Float design life	20+ years (25°C)	Eurobat Long Life class
Transport / sea freight	IMDG Class 8 / UN2794 / MSDS	Standard dangerous-goods paperwork
Certifications	Arranged per customer requirements (see §3)	SGS / TUV / BV / CTI supported

Note: A detailed datasheet can be requested by emailing sales@chisen.cn — datasheets include C₁, C₃, C₅, C₁₀, C₂₀, C₇₂, C₁₀₀, C₁₂₀ and C₂₄₀ discharge tables, charge profile curves, and Open Circuit Voltage (OCV) vs. state-of-charge curves.

3. Chisen OPzV2-100 2V100Ah Applicable Standards — International / European / Chinese / UK / North American List

The Chisen OPzV2-100 2V100Ah complies with the following 6 international / regional / industry standards, which form the product design basis. Standards compliance = sales compliance + smooth customs clearance + project tender acceptance.

Standard	Number	Scope of application
International (IEC)	IEC 60896-21:2004 / IEC 60896-22:2004	Stationary valve-regulated lead-acid batteries (VRLA) — Part 21 / 22 methods of test / requirements
German (DIN)	DIN 40472:2015	Tubular positive plate stationary valve-regulated lead-acid batteries
Chinese National Standard	GB/T 19638.1-2014	Stationary valve-regulated lead-acid batteries (market-sales compliance)
Chinese Telecom (YD/T)	YD/T 1360	Telecom operator backup power (recommended compliance)
European (Eurobat)	Eurobat Long Life (> 12 years float)	European battery life classification
UK / North America	BS 6290 Part 4 / UL 1989	UK / North American standby-power market

Note: Third-party inspection certificates and destination-country specific certifications (SONCAP for Nigeria, PVOC for Kenya, SASO for Saudi Arabia, BIS for India, ESMA for the UAE) can be arranged per customer requirements and are supported by mainstream agencies such as SGS / TUV / BV / CTI.

Design implication: The OPzV2-100 2V100Ah can be deployed in the EU, North America, GCC, Africa, Latin America and most of Asia without re-engineering the battery itself — only the export paperwork and the destination-country specific certifications need to be added.

4. Application Scenarios — Where the OPzV2-100 2V100Ah Fits Best

The Chisen OPzV2-100 2V100Ah is purpose-built for distributed, low-to-medium power applications that demand 20+ year float life, deep-cycle tolerance and zero maintenance. The 9 high-value deployment scenarios below account for the majority of B2B inquiry volume for this SKU:

1. **4G/5G telecom access base stations (outdoor cabinet, indoor BTS, micro-cell)** — 24 cells in series = 48V / 100Ah / 4.8 kWh. Suits urban micro-cells, rural sites with generator backup, and indoor distributed antenna systems (DAS).
2. **FTTH / FTTC / street cabinet backup** — 12V/24V/48V configurations, pole-mounted or ground-mounted cabinet. Compact 103×206×390 mm cell fits standard 19″ / ETSI racks.
3. **Small UPS (<5 kVA)** — single-phase or three-phase small UPS cabinets, used for office backup, server room edge nodes, retail point-of-sale, ATM / banking terminal backup.
4. **Off-grid residential solar PV + ESS** — 24-cell 48V system, paired with a 1-3 kW hybrid inverter, supports evening and night-time loads for a typical 3-4 person household.
5. **Off-grid commercial solar (telecom tower, water pump, weather station)** — paired with a 1-5 kW PV array, supports remote-site loads in regions with weak or no grid.
6. **Railway signalling** — axle counter, signal relay, level crossing backup (small 12V/24V/48V systems).
7. **Security and fire alarm systems** — 12V/24V cabinets, where maintenance-free operation and low self-discharge are critical.
8. **Industrial control and instrumentation** — SCADA, DCS, PLC backup, valve actuator backup, in oil & gas, water treatment, power utility substation automation.
9. **Emergency lighting and evacuation systems** — 12V/24V/48V centralised systems, per IEC 60598-2-22.

Configuration note: 24 × OPzV2-100 2V100Ah cells in series forms a 48V / 100Ah / 4.8 kWh battery bank (rated) or 2.4 kWh usable at 50% DOD, or 3.84 kWh usable at 80% DOD.

5. Chisen OPzV2-100 2V100Ah Float Voltage Setting and Temperature Compensation Formula

The Chisen OPzV2-100 2V100Ah standard float voltage is 2.25-2.27 V/cell (25°C), with mandatory temperature compensation of -3.3 mV/°C/cell to maintain long float life.

Formula: `V_float (actual temperature) = 2.25V + (-3.3 mV/°C) × (actual temperature – 25°C)`

Ambient temperature	Calculation	Compensated float voltage
25°C (reference)	2.25V (no compensation)	2.25 V
15°C	2.25 + (-3.3mV × -10)	2.28 V
35°C	2.25 + (-3.3mV × 10)	2.22 V
45°C	2.25 + (-3.3mV × 20)	2.19 V
55°C	2.25 + (-3.3mV × 30)	2.15 V

Cycle charging voltage (solar / cyclic use): 2.35-2.40 V/cell at 25°C, with -5 mV/°C/cell compensation, max current 30 A (0.30 C₁₀).

Float voltage precision requirement: ±1% (±25 mV). Exceeding this range will measurably shorten the battery life.

Float current: < 5 mA/Ah (Chisen spec), i.e. the 100 Ah cell float current is < 500 mA.

Temperature compensation wiring: Use a temperature sensor (e.g. 10 kΩ NTC thermistor) mounted on a pilot cell in the middle of the string, with the sensor voltage fed back to the charger’s compensation input. This is the most reliable method for outdoor cabinets and remote telecom sites.

6. Chisen OPzV2-100 2V100Ah Capacity Sizing Formula + Telecom, UPS and Solar Configuration Examples

Battery capacity formula:

Battery capacity (Ah) = Load power (W) × Backup time (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 margin: 20-30% above the calculated value

Example 1: 4G/5G telecom access base station, 48V DC system, 1 kW load, 4-hour backup, 25°C

Capacity = 1000 × 4 ÷ 48 ÷ 0.85 ÷ 1.0 ≈ 98 Ah. Recommended: 24 × OPzV2-100 2V100Ah (in series for 48V), 2% margin. Suits 4G/5G single-sector sites in regions with reliable grid and infrequent outages.

Example 2: Small data centre UPS, 48V DC, 2 kW load, 30-minute backup, 25°C

Capacity = 2000 × 0.5 ÷ 48 ÷ 0.85 ÷ 1.0 ≈ 24.5 Ah. Recommended: 24 × OPzV2-100 2V100Ah in series (4.8 kWh at 48V), 4x oversizing for 20-year float life. This oversized configuration is the standard practice in carrier-grade UPS — oversizing dramatically extends service life.

Example 3: Off-grid solar PV+ESS for residential load, 48V DC bus, 3 kW inverter, 4-hour evening backup, 25°C

Capacity = 3000 × 4 ÷ 48 ÷ 0.85 ÷ 1.0 ≈ 294 Ah. Recommended: 3 parallel strings × 24 cells in series × OPzV2-100 2V100Ah (= 72 cells total, 300 Ah / 14.4 kWh at 48V), 2% margin. The 3P configuration is a robust industry standard for residential off-grid solar.

Example 4: 110V DC railway signalling panel, 0.5 kW load, 10-hour backup, 25°C

Capacity = 500 × 10 ÷ 110 ÷ 1.0 ÷ 1.0 ≈ 45.5 Ah. Recommended: 54 × OPzV2-100 2V100Ah (in series for 108V, 100% margin), giving 10+ year float life with no maintenance.

Example 5: 220V three-phase industrial DC bus, 5 kW load, 1-hour backup, 25°C

Capacity = 5000 × 1 ÷ 220 ÷ 1.0 ÷ 1.0 ≈ 22.7 Ah. Recommended: 108 × OPzV2-100 2V100Ah (in series for 216V), 4.4x oversizing. This is the long-life industrial configuration used in power utility substations and large process control rooms.

Solar / wind system configuration parameters (per CHISEN specification, p1):

Parameter	Set value	Description
Overvoltage disconnect	2.45 ± 0.01 V/cell @25°C	Charge complete / solar controller disconnect
Equalise voltage	2.40 ± 0.01 V/cell @25°C	Periodic balance, every 30-60 days
Solar reconnect voltage	2.25 ± 0.005 V/cell @25°C	Solar reconnect after float recovery
Float voltage	2.27 ± 0.005 V/cell @25°C	Stable state for solar stand-alone
Low-voltage alarm	1.95 ± 0.005 V/cell @25°C	Load disconnect imminent
Low-voltage disconnect	1.90 ± 0.005 V/cell @25°C	Cut load to protect from over-discharge
Load reconnect voltage	2.09 ± 0.01 V/cell @25°C	Reconnect after over-discharge recovery
Temperature coefficient	-3 ~ -5 mV/°C/cell	Float -3.3 mV, equalise -5 mV

Free engineering sizing: Send “system voltage + load power + backup time + operating temperature” to sales@chisen.cn — receive a complete Excel sizing sheet and quotation within 24 hours.

7. Chisen OPzV2-100 2V100Ah Cycle Life Detail + 20-Year TCO Comparison (Tubular vs AGM)

The Chisen OPzV2-100 2V100Ah delivers ≥1500 cycles at 80% DOD under IEC 60896-21/22 test conditions at 25°C. The combination of tubular positive plate + nano-gel electrolyte is the core advantage — cycle life is 1.5-2x longer than flat-plate AGM and 30-50% longer than flooded OPzS at the same capacity.

Tubular vs flat-plate cycle life comparison (DIN 40472 + measured data):

DOD	OPzV GEL (tubular)	OPzS flooded (tubular)	AGM flat-plate (VRLA)
80% DOD (deep cycle)	≥ 1500 cycles	1500-2500 cycles	500-1000 cycles
50% DOD (medium cycle)	2200+ cycles	2500-4000 cycles	750-1500 cycles
30% DOD (shallow cycle)	3500+ cycles	4500-6500 cycles	1500-3000 cycles
Float standby (no cycling)	20+ years (25°C)	20-25 years (25°C)	10-15 years (25°C)

Application / DOD / cycle count / service life mapping:

Application	DOD	Cycles	Service years
Float backup / large UPS / data centre	0% DOD	—	20+ years
Railway signal / emergency lighting	60% DOD	2000+ cycles	8-12 years
Off-grid solar PV (1 cycle/day)	30% DOD	3500+ cycles	12+ years
Telecom access (occasional outage)	20% DOD	6000+ cycles	18+ years
Diesel engine starting (high short-circuit current)	5% DOD	> 10,000 cycles	15+ years

v25 addendum: Cycle life and 20-year TCO synthesis (typical 48V 100Ah telecom access system, 20-year total cost of ownership):

Cost item	OPzV GEL (Chisen)	OPzS flooded (Chisen)	AGM flat-plate VRLA
Initial procurement (incl. installation)	Medium (tubular GEL)	Lower (tubular flooded, mature process)	Lowest (flat-plate VRLA)
Design service life	20+ years (25°C float)	20-25 years (25°C float, regular maintenance)	8-12 years (25°C float)
Replacements in 20 years	0 (buy once, use forever)	0 (well-maintained, no replacement in 20 years)	1-2 (around year 8 / year 16)
Annual maintenance cost	Very low (maintenance-free, just cleaning)	Medium (water refill every 3-6 months + cleaning)	Medium (voltage monitoring + cleaning)
20-year TCO	Medium (procurement medium + maintenance low)	Lower (procurement lower + maintenance medium)	High (procurement low but short life, multiple replacements)
Recovery value	High (lead recyclable)	High (lead recyclable)	High (lead recyclable)

B2B key conclusion: Tubular GEL batteries cost 1.5-2x more upfront than flat-plate AGM, but last 2x+ longer. The 20-year TCO is 30-40% lower than AGM for telecom access / small UPS / small solar applications.

8. Chisen OPzV2-100 2V100Ah Working Temperature Range (Discharge / Charge / Storage)

The Chisen OPzV2-100 2V100Ah has a wide operating temperature window that makes it deployable in extreme environments (per CHISEN spec):

• **Discharge:** -40°C ~ +65°C (gel is more stable than flooded at low and high temperatures)
• **Charge:** -30°C ~ +65°C
• **Storage:** -25°C ~ +45°C
• **Optimal operating temperature:** 25°C (where the rated capacity is defined)

Temperature effect on capacity (per OPzV spec, 10HR capacity):

Ambient temperature	Capacity (10HR)	Application guidance
40°C	~108%	High-temp capacity slightly higher (gel ion activity stronger)
25°C	100%	Rated capacity baseline (design life 20 years)
0°C	85%	Low-temp capacity drops 15%
-20°C	~55%	Cold environment capacity reduced 45%

Arrhenius rule: OPzV2-100 float life halves for every 10°C rise above 25°C. 35°C ≈ 10 years, 45°C ≈ 5 years, 55°C ≈ 2.5 years. The gel chemistry is more stable than flooded OPzS at high temperatures (no electrolyte evaporation), but the temperature derating still applies.

High-altitude operation (per GB/T 19638): ≤ 3000 m normal use without special handling; > 3000 m, capacity derated 8% per 1000 m; extreme high altitude (> 5000 m) requires custom engineering (low-pressure sealing + reinforced container).

9. Chisen OPzV2-100 2V100Ah OEM / ODM One-Stop Customisation

Chisen OPzV2-100 2V100Ah supports OEM / ODM one-stop customisation. All customisations do not affect standard spec performance.

Customisation option	Details
Container color	Standard grey-white + red / blue / green / yellow / orange + customer-specified Pantone
Logo screen printing	Customer LOGO on container (no language restriction)
Laser engraving	Model / serial / production date / customer code / barcode on top cover
Color box / neutral box packaging	Standard color box + neutral outer carton, customisable Logo / color / barcode / anti-counterfeit
Label customisation	Custom battery label layout (any language supported)
Terminal replacement	Φ16-M6 / Φ20-M8 / Φ24-M10 (standard Φ20-M8)
Terminal seal upgrade	Standard + triple seal + explosion-proof acid filter (OPzS optional acid-proof vent plug)
Third-party test reports	SGS / TUV / BV pre-shipment inspection + complete IEC 60896 test reports
Specific certifications	SONCAP / PVOC / SASO / BIS / ESMA per destination country (handled in cooperation with SGS / TUV / BV / CTI)

MOQ and lead time: Sample orders 1 cell minimum (email inquiry); small batch 24 cells (24V system, 12 cells + 12 spares) / 48 cells (48V system, 24 + 24 spares); large batch 200+ cells (multiple voltage combinations + full OEM customisation). Specific lead time + warranty details available on request.

10. Chisen OPzV2-100 2V100Ah FAQ — 20 Engineer-Reviewed Questions

The 20 most frequently asked questions by industrial field engineers are covered below. Each covers technical parameters, sizing, ordering, transport and after-sales.

Q1: What is the OPzV2-100 2V100Ah float voltage setting?

Standard float voltage 2.25-2.27 V/cell @ 25°C, with mandatory -3.3 mV/°C/cell temperature compensation (IEC 60896-21/22).

Q2: What is the OPzV2-100 2V100Ah cycle life?

≥ 1500 cycles at 80% DOD at 25°C; float standby life 20+ years. Tubular positive plate design is the core advantage (1.5-2x longer than flat-plate AGM).

Q3: What is the OPzV2-100 2V100Ah operating temperature range?

Discharge -40°C ~ +65°C / Charge -30°C ~ +65°C / Storage -25°C ~ +45°C (optimal 25°C). Gel chemistry is more stable than flooded across the full range.

Q4: What is the OPzV2-100 2V100Ah self-discharge rate?

≤ 2% per month (per CHISEN spec, 25°C fully charged), storable ~12 months without recharging.

Q5: What is the OPzV2-100 2V100Ah battery type?

Tubular gel valve-regulated lead-acid (VRLA), tubular positive plate + nano-silica gel electrolyte + valve-regulated sealing.

Q6: How does the OPzV2-100 2V100Ah differ from the OPzS2-100?

The OPzV2-100 is GEL VRLA, maintenance-free, installable vertically / horizontally / sideways, and never needs water refilling. The OPzS2-100 is flooded, requires water refilling every 3-6 months, and must be installed upright. The OPzV has a higher short-circuit current (1700 A vs 1500 A), the OPzS has a slightly lower internal resistance and lower procurement cost.

Q7: What is the OPzV2-100 2V100Ah internal resistance?

Approximately 1.1 mΩ when fully charged at 25°C; short-circuit current approximately 1700 A.

Q8: What is the recommended OPzV2-100 2V100Ah charging method?

Constant-current constant-voltage (CC-CV), float 2.25-2.27 V / equalise 2.30-2.35 V / cycle 2.35-2.40 V. Max charging current 30 A (0.30 C₁₀).

Q9: What are the OPzV2-100 2V100Ah storage conditions?

-25°C ~ +45°C, dry, ventilated environment, full charge, avoid direct sunlight. Recharge every 6 months if stored long-term.

Q10: What standards does the OPzV2-100 2V100Ah comply with?

IEC 60896-21/22 + DIN 40472 + GB/T 19638.1-2014 + Eurobat Long Life + BS 6290 Part 4 + UL 1989 (6+ standards).

Q11: What is the OPzV2-100 2V100Ah weight?

13.2 kg (29.0 lbs) including electrolyte, per CHISEN spec.

Q12: What are the OPzV2-100 2V100Ah dimensions?

Length 103 mm × width 206 mm × height 390 mm (per CHISEN spec, including terminals).

Q13: What is the OPzV2-100 2V100Ah terminal torque?

10-12 N·m (Φ20-M8 bolt terminal).

Q14: What is the OPzV2-100 2V100Ah short-circuit current?

Approximately 1700 A (25°C fully charged), meets large UPS short-circuit protection requirements.

Q15: What is the OPzV2-100 2V100Ah float design life?

20+ years (25°C float voltage 2.25 V, temperature compensation -3.3 mV/°C).

Q16: How to choose between the OPzV2-100 2V100Ah and an AGM flat-plate cell?

Tubular positive plate batteries last longer (≥ 1500 cycles vs 500-1000 cycles), suitable for long-term projects / critical backup. AGM flat-plate is cheaper, suitable for short-term / budget-sensitive projects. See §7 TCO section.

Q17: What is the OPzV2-100 2V100Ah installation direction?

Vertical / horizontal / sideways installable (valve-regulated, no leakage). Cannot be installed upside-down. For outdoor cabinets, vertical installation is recommended for thermal management.

Q18: What is the OPzV2-100 2V100Ah water refill frequency?

Zero (GEL VRLA, maintenance-free). No water refilling required for the entire 20-year service life.

Q19: Is the OPzV2-100 2V100Ah capacity affected by temperature?

40°C = ~108% / 25°C = 100% / 0°C = 85% / -20°C = ~55% (10HR discharge rate).

Q20: What documents are required for exporting the OPzV2-100 2V100Ah?

Standard: packing list + commercial invoice + CO certificate of origin + MSDS + UN2794 transport classification. Destination-country specific certifications (SONCAP / PVOC / SASO / BIS / ESMA) can be arranged per requirement.

Q21: What is the OPzV2-100 2V100Ah MOQ?

Sample 1 cell / 24V system 12 cells / 48V system 24 cells / 110V system 54 cells / 220V system 108 cells. Bulk 200+ cells at wholesale pricing.

Q22: What is the OPzV2-100 2V100Ah lead time?

Please email sales@chisen.cn for quotation (lead time depends on quantity + destination + target delivery date).

Q23: What is the OPzV2-100 2V100Ah warranty?

24-month basic warranty (from installation & commissioning). Can be extended to 36 months, negotiable during tender stage.

Q24: Does the OPzV2-100 2V100Ah support OEM customisation?

Yes, OEM/ODM one-stop customisation: container color, LOGO screen print, laser engraving, color box packaging, label customisation, terminal replacement. MOQ 50-100 cells.

Q25: Does the OPzV2-100 2V100Ah price include shipping?

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

11. Chisen OPzV2-100 2V100Ah Selection Decision Guide (If You Care About X → Choose Y)

The selection table below is the condensed decision framework for B2B buyers. If your application matches the “If you care about” column, follow the “Choose” column.

Your application / priority	Recommended configuration	Why
Unattended / remote / island / border telecom access	24 × OPzV2-100 2V100Ah (48V)	Maintenance-free + vertical / horizontal / sideways + valve-regulated sealing (saves 40% O&M cost)
Tropical / desert / extreme high-temp sites (>45°C continuous)	OPzV2-100 2V100Ah	Gel stable at high temperature (charge -30 to +65°C vs OPzS -30 to +55°C)
Indoor / urban 4G/5G access with reliable grid	OPzV2-100 2V100Ah	Zero maintenance, fits standard 19″ / ETSI racks, 20+ year float life
Deep cycle / daily solar cyclic (1 cycle/day, 80% DOD)	OPzS2-100 (alternative)	OPzS cycle life 50% higher (2500 vs 1500 cycles) — but requires water refilling
Small UPS / edge data centre / 1-5 kVA inverter	OPzV2-100 2V100Ah	High short-circuit current (1700 A), no acid fog, fits indoor cabinets
Off-grid residential solar PV+ESS	3 parallel strings × 24 cells = 72 × OPzV2-100 2V100Ah	14.4 kWh at 48V, 3P configuration is residential solar industry standard
Mobile equipment / tilted install / vehicle battery	OPzV2-100 2V100Ah	Vertical / horizontal / sideways installable (valve-regulated, no leakage)
110V / 220V / 380V industrial DC system	54 / 108 / 190 × OPzV2-100 2V100Ah in series	Long string, no cell-matching issues due to GEL chemistry stability
Replacement for failing AGM flat-plate system	OPzV2-100 2V100Ah	2x cycle life, zero maintenance, retrofit-compatible voltage and footprint

12. Chisen Factory Strength + Global Service System (Why Choose Chisen)

1. Factory scale: CHISEN brand established in 2002, specialising in tubular lead-acid batteries for 20+ years. 200+ models covering 2V / 6V / 8V / 12V full voltage range, 4Ah to 3000Ah capacity. 100,000+ cells in stock for mainstream models (immediate shipment).

2. Global service network: 60+ countries export experience (China / Southeast Asia / Europe / Africa / Middle East / Latin America / Central Asia / Oceania). Serves telecom / power / data centre / solar / railway / medical industries. 7×24 multilingual technical support (English / Chinese / Spanish / French / Arabic / Russian / Vietnamese). 12h email response / 24h full quotation / 48h complex project engineering.

3. Quality control: Certifications arranged per customer requirements. 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 third-party inspection by SGS / TUV / BV / CTI per customer request.

4. Export support: First-hand customs documents (commercial invoice / packing list / CO certificate of origin / MSDS / UN2794 transport classification / complete IEC 60896 test reports). Multilingual technical documentation (EN / CN / ES / FR / AR / RU). Destination-country specific certification assistance: SONCAP (Nigeria) / PVOC (Kenya) / SASO (Saudi Arabia) / BIS (India) / ESMA (UAE).

5. Long-term partnership policy: Dedicated technical contact for long-term customers. OEM strategic partners can share sales opportunities + training support.

6. Sustainability commitment: Lead-acid batteries are recyclable. Certifications arranged per customer requirements. EU RoHS / REACH / WEEE compliant (unrestricted export to Europe).

13. Expert Summary — 5 Things B2B Buyers Must Confirm Before Ordering the OPzV2-100 2V100Ah

After 20+ years of CHISEN tubular battery export experience and feedback from 60+ country buyers, here is the 5-item pre-order checklist for the OPzV2-100 2V100Ah:

1. **Confirm system voltage and series cell count** — 24 cells (48V) / 54 cells (108V, compatible with 110V DC panel) / 108 cells (216V, compatible with 220V industrial power) / 190 cells (380V three-phase DC data centre UPS).
2. **Confirm capacity sizing using the formula in §6** — Load (W) × Backup (h) ÷ Bus (V) ÷ Inverter efficiency (0.85 for UPS / 1.0 for DC) ÷ Temperature coefficient (1.0 at 25°C / 0.85 at 35°C / 0.70 at 45°C). Allow 20-30% margin. The OPzV2-100 2V100Ah is the smallest OPzV cell — if your calculation exceeds 100 Ah, consider 2 parallel strings of OPzV2-100 2V100Ah, or upgrade to OPzV2-200 2V200Ah.
3. **Confirm float voltage and temperature compensation wiring** — 2.25-2.27 V/cell at 25°C with -3.3 mV/°C/cell compensation. Use a temperature sensor (10 kΩ NTC thermistor) on a pilot cell in the middle of the string.
4. **Confirm dimensions and weight for the battery cabinet layout** — 103 × 206 × 390 mm per cell, 13.2 kg. Allow ≥ 50 mm heat-dissipation spacing between cells in the cabinet.
5. **Confirm certifications and after-sales support** — Project tender / customs clearance requires destination-country specific standards compliance (see §3). Choose CHISEN (20+ year brand + 60+ country export experience + destination-country certification assistance).

Common buyer pitfalls to avoid:

• Buying AGM flat-plate cells for telecom access and expecting 10+ year service life (AGM typically delivers 5-8 years in telecom access duty — OPzV tubular GEL is the right choice).
• Ordering flooded OPzS for unattended sites (the 3-6 month water refill cycle makes it impractical for remote installations).
• Under-sizing the temperature compensation (without -3.3 mV/°C/cell compensation, float life at 35°C drops from 20 years to 10 years).
• Mixing OPzV and OPzS cells in the same string (different float voltage and equalising requirements cause chronic imbalance).

14. Chisen OPzV2-100 2V100Ah Contact Information — 24-Hour Response

[CHISEN Battery] — 20+ years specialising in tubular battery export / verified by 60+ country customers.

Contact methods:

1. **Email inquiry:** sales@chisen.cn (complete quotation + sizing solution within 24h)
2. **Phone / WhatsApp:** +86 131 6622 6999 (also )
3. **Website:** (50-language product catalog, 200+ models, multilingual technical documentation)
4. **Energy sub-site:** (15+ language sub-directories, lithium + solar ESS portfolio)

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

Sample policy: Sample orders 1 cell minimum (freight collect). Small batch 24 / 48 / 54 / 108 / 190 cells per standard configuration. Large batch 200+ cells at wholesale pricing.

Next report: This article will be re-evaluated at 7 / 14 / 30 days for SEO ranking progress and re-optimised if needed.

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© 2026 CHISEN Battery. All rights reserved. OPzV2-100 2V100Ah technical specifications per CHISEN factory data sheet; cycle life per IEC 60896-21/22 test conditions at 25°C; float life per Eurobat Long Life classification.

Related CHISEN OPzV2 series models: OPzV2-100 / OPzV2-150 / OPzV2-200 / OPzV2-250 / OPzV2-300 / OPzV2-350 / OPzV2-420 / OPzV2-500 / OPzV2-600 / OPzV2-800 / OPzV2-1000 / OPzV2-1200 / OPzV2-1500 / OPzV2-2000 / OPzV2-2500 / OPzV2-3000. All 18 models 100Ah-3000Ah share the same chemistry, standards compliance and OEM/ODM framework as the OPzV2-100 2V100Ah.

Internal link references:

• [Chisen OPzV2-100 2V100Ah product page (en)](https://www.chisen.cn/en/OPzV2-100/2V100Ah.html) — full datasheet, OEM inquiry, technical drawings
• [Chisen OPzV2-200 2V200Ah product page (en)](https://www.chisen.cn/en/OPzV2-200/2V200Ah.html) — next-step capacity in the OPzV2 family
• [Chisen OPzV2-100 2V100Ah product page (km)](https://www.chisen.cn/km/OPzV2-100/2V100Ah.html) — Khmer / Cambodia market
• [Chisen OPzV2-100 2V100Ah product page (uz)](https://www.chisen.cn/uz/OPzV2-100/2V100Ah.html) — Uzbek / Central Asia market
• [Chisen OPzV2-100 2V100Ah product page (tcn)](https://www.chisen.cn/tcn/OPzV2-100/2V100Ah.html) — Traditional Chinese market
• [Chisen energy sub-site OPzV + lithium portfolio](https://www.chisenenergy.com) — energy storage system solutions

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Article version: v1 (rewrite_count: 0). Primary keyword: OPzV2-100 2V100Ah. Target audience: telecom access network engineers, small UPS system integrators, off-grid solar installers, industrial battery distributors, export procurement managers. Publishing date: 2026-09-14.


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