WhisperPower Equipment
GEL Battery 2 V - 1650 Ah
2 V, 1650 Ah (C10) OPzV tubular-plate GEL cell for large deep-cycle battery banks (600–8000 Ah) in marine, mobile, emergency power and UPS systems; 10+ year design life.
Description
The WhisperPower GEL Battery 2 V – 1650 Ah is a maintenance-free OPzV valve-regulated cell using tubular plate technology with the electrolyte held in gel. It is built for prolonged deep charge and discharge cycling and is used in emergency power supplies, marine and mobile battery banks and UPS systems.
Key features
- Design life of over 10 years
- Accepts high charge current (50% of nominal capacity)
- For large battery banks (600 to 8000 Ah) and intensively used heavy-duty inverters
- 1200 to 3000 cycles depending on discharge level
- 7-year warranty (restricted to cycles)
Technical data
- Part number: 40290044
- Capacity: 1650 Ah (C10, 1.80 V/cell, 20 °C); 1355 Ah (5 h); 647 Ah (1 h)
- Nominal voltage: 2 VDC; terminals 4 x M8
- Bulk charge: 2.42 V/cell; float 2.25 V/cell at 20 °C; initial charge current 600 A
- Cycle life: 1250 at 80% DoD
- Self-discharge: <3% per month at 20 °C; internal resistance approx. 0.19 mΩ
- Dimensions: 275 x 210 x 820 mm; weight 120 kg
Specifications
| 40290044 | GEL Battery 2 V - 1650 Ah |
|---|---|
| Length x width x height | 275 x 210 x 820 mm (10.8" x 8.3" x 32.3" inch) |
| Weight +/- 10% | 120 kg (264.6 lb.) |
| Nominal capacity (C10, cel 1.80 V, 20°C) | 1650 Ah |
| Nominal voltage | 2 VDC |
| Terminal type | 4 × M8 |
| Bulk charge voltage (V/cel) | 2.42 VDC at 20°C |
| Float voltage (V/cel) | 2.25 VDC at 20°C |
| Initial charge current (A) | 600 A |
| Temperature ratio | -4mv/cel/°C |
| Recommended discharge voltage for 10 hours discharge (V/cel) | 1,80 VDC/cel |
| Recommended discharge voltage for 1 hour discharge (V/cel) | 1,65 VDC/cel |
| NOMINAL CAPACITY AT 20°C | UP TO 1.80 VDC/CE |
| 10 hours discharge | 1650 Ah |
| 5 hours discharge | 1355 Ah |
| 1-hour discharge | 647 Ah |
| Peukeurt Coefficient | 1,21<P<1,23 |
| Usage at 25 A discharge | 60 h |
| Self discharge | Less than 3% per month at 20°C |
| Storage time | OpzV batteries can be stored for up to 6 months at 20°C, recommended to charge before use. |
| Cyclic life at 80% discharge | 1250 |
| Internal resistance (approx.) | 0.19 mΩ |
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