NARADEX
Industrial Battery Manufacturer
naradexbattery.com
naradexbattery.com
OPzV2-2500 | 2V 2500Ah Tubular GEL Battery
OPzV Tubular Gel Storage Battery · Technical Datasheet · October 23, 2026
CE CertifiedIEC 60896 / IEC 6105610-Year Design LifeVRLA SealedMaintenance-FreeFactory Direct
2V 2500Ah OPzV tubular gel battery with 20-year design floating life. Ideal for utility-scale energy storage, large data centers, and grid-stabilization systems. Gel electrolyte eliminates acid stratification for superior deep cycle performance.
Key Features
- 20-year design floating life at 25°C
- 1,500+ deep cycles at 80% DOD
- Tubular positive plate — industry-proven DIN standard
- Silicon nano gel electrolyte — zero acid stratification
- Wide temperature range: -15°C to 50°C operation
- Zero maintenance sealed design
Technical Specifications
| Parameter | Value |
|---|---|
| Model | OPzV2-2500 |
| Nominal Voltage | 2V (Single Cell) |
| Nominal Capacity (C10) | 2500 Ah |
| Reference Capacity | C5: 2116.0 Ah / C3: 1857.0 Ah / C1: 1261.0 Ah |
| Energy (C10) | 5000 Wh |
| Electrolyte | Silicon nano gel (immobilized) |
| Plate Technology | Tubular positive plate (DIN standard) |
| Internal Resistance | ≤0.54 mΩ |
| Max. Discharge Current | 12500A (5s) |
| Max. Charge Current | Less than 625.0A |
| Self-Discharge | ≤2% / month @ 25°C |
| Design Life (Float) | 20 years @ 25°C |
| Cycle Life | 1,500+ cycles @ 80% DOD / 3,000+ cycles @ 50% DOD |
| Float Charge Voltage | 2.23–2.25V / cell @ 25°C |
| Cycle Charge Voltage | 2.35–2.45V / cell @ 25°C |
| Discharge Temp | -15°C ~ 50°C |
| Charge Temp | -15°C ~ 50°C |
| Storage Temp | -20°C ~ 40°C |
| Normal Operating Temp | 25°C ± 5°C |
| Terminal | M8 / M10 |
| Container | Transparent SAN / ABS |
| Complied Standards | DIN 40736, IEC60896-11/21/22, IEC61427, CE |
| Net Weight | 175.0 kg |
| Dimensions (L×W×H) | 487 × 212 × 720 mm (806 mm total height) |
| Weight | 175.0 kg |
Specifications subject to change without notice. All data measured at 25°C unless otherwise stated. For the latest specifications, visit https://naradexbattery.com