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Additional information
Description
The WhisperPower AGM Battery 12 V – 55 Ah is the most economical, maintenance-free battery designed for long life. WhisperPower 12 V – 55 Ah AGM batteries are based on VRLA technology (Valve Regulated Lead Acid), meaning they require little ventilation, do not have to be positioned upright and do not require any maintenance.
- 55 Ah, 12 VDC
- Suitable for medium sized inverters
- Power supply for entire DC installation
- Powering pumps and winches
- Suitable for marine, mobile and solar energy systems- and as a starter battery
Product specifications
| ARTICLE NUMBER | |
|---|---|
| 40290060 | AGM Battery 12 V – 55 Ah |
| TECHNICAL SPECIFICATIONS | |
|---|---|
| Length x width x height | 229 × 138 × 210 mm (9″ x 5.4″ x 8.3″ inch) |
| Weight ± 10% | 18.0 kg / 39.7 lb. |
| Nominal capacity | 55 Ah |
| C10* or C20 | C10 |
| Nominal voltage | 12,0 VDC |
| Terminal type | M6 rvs |
| Number of cells | 6 |
| CHARGE / DISCHARGE PARAMETERS | |
|---|---|
| Constant charge voltage (IU, float) | 13.60 .. 13.80 VDC at 25oC |
| Cyclic charge voltage (IUU, absorption) | 14.25 .. 14.60 VDC at 25oC |
| Maximum recommended charge current (higher possible) | 40 to 50% of nominal capacity |
| Temperature ratio | -4mv/cel/°C |
| Discharge voltage | 1.75 VDC @ (A) ≤ 0.2°C • 1.70 VDC @ 0.2°C (A) ≤ 1.0°C |
| Full discharge (100% DOD) | 1.65 VDC @ (A) ≥ 1.0°C |
| NOMINAL CAPACITY AT 25°C | |
|---|---|
| Nominal 25°C | UP TO 1.75 VDC/CEL |
| 20 hours discharge | 58.6Ah |
| 10 hours discharge | 55.0 Ah |
| 5 hours discharge | 44.5 Ah |
| Peukeurt Coefficient | 1.21<P<1.24 |
| Usage at 25 A discharge | 92 min |
| Self discharge | Less than 3% per month at 25°C |
| Storage time | AGM batteries can be stored for up to 6 months at 25°C, recommended to charge before use |
| BATTERY PARAMETERS | |
|---|---|
| Inrush current at 25°C (5s) | 550 A |
| Cyclic life at 80% discharge | 400 |
| Internal resistance (approx.) | 6,0m Ω |