GEL Battery 2 V – 440 Ah
Description
WhisperPower 2 V – 440 Ah (OPzV valve regulated) batteries are perfect for applications requiring long deep charge and discharge cycles. These maintenance-free GEL batteries are made with tubular plate technology, which contains the electrolyte within the GEL. Common uses include emergency power supplies, marine and mobile battery banks, and UPS systems.
- Designed to last for over 10 years
- Suitable for high charge current (50% of nominal capacity)
- Ideal battery for large battery banks (600 to 8000 Ah)
- Best option for intensively used heavy duty inverter(s)
- Suitable for a large number of charge cycles (1200 to 3000 depending on dis- charge level)
- 7 year warranty (Restricted to cycles)
Product specifications
| ARTICLE NUMBER | |
|---|---|
| 40290037 | GEL Battery 2 V – 440 Ah |
| TECHNICAL SPECIFICATIONS | |
|---|---|
| Length x width x height | 145 × 206 × 506 mm (5.7″ x 8.1″ x 19.9″ inch) |
| Weight +/- 10% | 33.0 kg (72.8 lb.) |
| Nominal capacity (C10, cel 1.80 V, 20°C) | 440 Ah |
| Nominal voltage | 2 VDC |
| Terminal type | 2×M8 |
| CHARGE / DISCHARGE PARAMETERS | |
|---|---|
| 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) | 150 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 | |
|---|---|
| NOMINAL CAPACITY AT 20°C | UP TO 1.80 VDC/CE |
| 10 hours discharge | 440 Ah |
| 5 hours discharge | 370 Ah |
| 1-hour discharge | 184 Ah |
| Peukeurt Coefficient | 1,21<P<1,23 |
| Usage at 25 A discharge | 15 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. |
| BATTERY PARAMETERS | |
|---|---|
| Cyclic life at 80% discharge | 1250 |
| Internal resistance (approx.) | 0,42mΩ |