| Items | Specification | |
| Nominal capacity | 20Ah | |
| Nominal voltage | 12V | |
| Maximum charge current | 40A | |
| Maximum charge voltage | 14.6V±0.05V | |
| Maximum Instantaneous Discharge Current | 200A | |
| Cut-off discharge voltage | 8.0V | |
| Service life (2000 cycles) | >16Ah | |
| Operating temperature | -20~60℃ | |
| Dimensions | 220*158*190mm | |
| Weight | 3KG | |
| Storage temperature | Within one month | -20~45℃ |
| Within 6 months | -20~35℃ | |