| No. | Model | Dimensions L*W*H*TH(mm) | Wheight(KG) | Capacity(20HR) |
| 1 | 12V4AH | 90*70*101*107 | 1.4 | 4.5AH |
| 2 | 12V4.5AH | 1.5 | 5.0AH |
| 2.Functional Parameter | Nominal voltage | 12V |
| Nominal capacity (20 hour rate) | 4.5AH | |
| Number of cells | 6 cells | |
| 3.Rated Capacity at 25℃ (77℉) | 20 hour rate (0.05C, 10.8V) | 4.5AH |
| 5 hour rate (0.165C, 10.8V) | 3.75AH | |
| 1 hour rate (0.55C, 10.5V) | 2.65AH | |
| 4.Capacity Affected by Temperature (20 hour rate) | 40℃ (104℉) | 103% |
| 25℃ (77℉) | 100% | |
| 0℃ (32℉) | 85% | |
| -15℃ (5℉) | 65% | |
| 5.Environment Temperature | Discharge temperature | -15~50℃ |
| Charge temperature | 0~40℃ | |
| Storage temperature | -15~40℃ | |
| 6.Inner Resistance & Max. Discharge Current | Fully charged battery at 25℃ (77℉) | 15mΩ |
| Max. discharge current | 300A(5s) | |
| Short circuit current | 1000A | |
| 7.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% | |
| 8.Constant Voltage Charging at 25℃ (77℉) | Cyclic use | 14.4~14.9V |
| Maximum charging current | 6A | |
| Temperature compensation | -30mV/℃ | |
| Float use | 13.6~13.8V | |
| Temperature compensation | -20mV/℃ |
