| Model： | Lithium batteries |
| Nominal capacity： | 2000mAh |
| Nominal voltage： | 7.4V |
| Inside resistance | ≤180mΩ |
| Charging ways： | Constant voltage |
| Maximum charge current | 1C(420ma) |
| Charging cap voltage： | 4.2V |
| Charge temperature： | 0~+45℃ |
| Circle life： | ≥400times |
| Charged maintenance ability： | Residual capacity > 90% |
| packing： | Blue soft PVC |
