| Model | Nominal Voltage | C20 (1.75V/ell) | External Demension(mm) | Weight Approxt(Kg) | Total Height(mm) | Terminal Type |
| 12V250AH | 12 | 250 | 520*267*220 | 70 | 240 | T12/T19 |
| 1.Functional Parameter | Nominal voltage | 12V |
| Nominal capacity (10 hour rate) | 250AH | |
| Number of cells | 6 cells | |
| 2.Rated Capacity at 25℃ (77℉) | 10 hour rate (0.1C, 10.8V) | 250AH |
| 3 hour rate (0.25C, 10.8V) | 181AH | |
| 1 hour rate (0.55C, 10.5V) | 137.6AH | |
| 3.Capacity Affected by Temperature (10 hour rate) | 40℃ (104℉) | 103% |
| 25℃ (77℉) | 100% | |
| 0℃ (32℉) | 85% | |
| -15℃ (5℉) | 65% | |
| 4.Environment Temperature | Discharge temperature | -20~60℃ |
| Charge temperature | 0~50℃ | |
| Storage temperature | -20~60℃ | |
| 5.Inner Resistance & Max. Discharge Current | Fully charged battery at 25℃ (77℉) | 2.5mΩ |
| Max. discharge current | 3750A(5s) | |
| Short circuit current | 12500A | |
| 6.Self-discharge at 25℃ (77℉) | Capacity after 3 month storage | 91% |
| Capacity after 6 month storage | 82% | |
| Capacity after 9 month storage | 73% | |
| Capacity after 12 month storage | 64% | |
| 7.Constant Voltage Charging at 25℃ (77℉) | Cyclic use | 14.4~14.9V |
| Maximum charging current | 62.5A | |
| Temperature compensation | -30mV/℃ | |
| Float use | 13.6~13.8V | |
| Temperature compensation | -20mV/℃ |
