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21700 3.6V 4000mah 3.7V Lithium Battery for Power Station 100Pce
21700 3.6V 4000mah 3.7V Lithium Battery for Power Station 100Pce
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$151.00 USD
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| 21700 4000mAh Specification | |||
| Items | Specification | Remark | |
| Nominal Capacity | 4000mAh | 0.2 C5A | |
| 0.2 C5A Discharge | |||
| Nominal Voltage | 3.7V | Work voltage | |
| Discharge Cut-off Voltage | 2.7V | 0.2 C5A | |
| 0.2 C5A Discharge | |||
| Charge Limited Voltage | 4.25±0.03V | 0℃～45℃ | |
| Standard Charge Current | 0.2 C5A | 0℃～45℃ | |
| Standard Discharge Current | 0.2 C5A | -10℃～60℃ | |
| Rapid Charge Current | 0.5C5A | 0℃～45℃ | |
| Rapid Discharge Current | 0.5C5A | -10℃～60℃ | |
| Max. Discharge Current | 3C5A | Termination voltage 2.0V | |
| Limited Voltage2.0V | |||
| Max. Pulse Discharge Current | 5C5A | Peak ms | |
| Internal Impedance | ≤40mΩ | At AC 1kHz | |
| Weight | About 69.0g | ±3g | |
| Storage Temperature Range | ≤one month | -20℃ ~ 45℃ | Voltage of shipment |
| ＞3.32V | |||
| 0.5C/0.2C | 95% | ||
| Rate Capacity | 1C/0.2C | 90% | |
| 3C/0.2C | 85% | ||
| Over-charge Characteristics | The battery is charged at a 3 C5A constant current with a voltage limit of 4.8V for 8 hours after fully charged | No fire，No explosion；Max.Temp.of battery surface should not exceed 150℃. | |
| High Temperature Storage Test | Put cell into the 80℃ box and keep the cell in the box for 7 hours after it be charged according to 6.1, and then take it out. Cell Condition: Fresh, Fully charged cell. | No explosion, No fire | |
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