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Rechargeable 3.7V Li-ion battery cell 21700 4000mAh
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| Rechargeable 3.7V Li-ion battery cell 21700 4000mAh |
| Place of Origin: China |
| Battery model: 21700 |
| Nominal voltage : 3.7V |
| Nominal capacity : 4000mAh |
| Operating voltage range : 2.75V-4.2V |
| Maximum charging current: 2.0A(0.5C) （Customizable high current fast charging) |
| Continuous discharge current : 4.0A(1.0C) （Customizable continuous 12A 20A 30A discharge ) |
| Service life : ≥500 times |
| Charging temperature : 0 ~ 45℃ |
| Discharge temperature : -20 ~ 60℃ |
| Storage temperature : 25±3℃ |
| Dimensions（mm): 21.5(T)x70.5(H) |
| Battery internal resistance : ≤ 60 mΩ |
| Battery weight : About 58g |
| Features: Real capacity, safety and reliability, and long cycle life |
