| ITEM(21700-40EB) | SPECIFICATION |
| Normal capacity | 4000mAh | Standard charge method Standard discharge method |
| Minimum capacity | 3950mAh |
| Normal voltage | 3.6V |
| Charging voltage | 4.20±0.05 V |
| Discharge ending voltage | 2.75±0.05 V |
| Standard charging current | 0.5C(2000mA) |
| Standard discharge current | 0.2C(800mA) |
| Max continuous charge current | 0.2C(0≤T≤15℃) |
| 0.5C(15≤T≤30℃) |
| 1.0C(30≤T≤50℃) |
| Max continuous discharge current | 0.2C(-2O≤T≤0℃) |
| 1.0C(O≤T≤20℃) |
| 3.0C(2O≤T≤45℃) |
| 1.0C(45≤T≤60℃) |
| Max pulse discharge current | 5C(10s) |
| Max recommended charge anddischarge cell body temperature | Charge:0~45℃ Discharge:-20～60℃ |
| Maximum short term allowable charge and discharge cell body temperature.Charging and discharging at these conditions will shorten cell cycle life. | Charge: 60℃ Discharge:75℃ |
| Storage Temperature | One month | -20℃～50℃,≤80%RH |
| Three months | -20℃～45℃,≤80%RH |
| One year | -20℃～ 25℃,≤75%RH |
| Internal resistance | ≤20mΩ(AC Impedance,1000 Hz,50%SOC) |
| Weight | ≤100g |
