| Model?? | Lithium batteries |
| Nominal capacity?? | 2000mAh |
| Nominal voltage?? | 7.4V |
| Inside resistance | ??180m?? |
| 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 |
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