This high nickel NCM system battery uses NCM622 cathode material, C anode material and ceramic coated separator. The energy density of the system after pack is above 171Wh/kg.
NO. | Description/ Item | Specifications |
1 | Nominal Capacity | 50Ah, 0.5C discharging(25±2℃) |
2 | Typical Capacity | 51.2Ah, 0.5C discharging(25±2℃) |
3 | Nominal Voltage | 3.7V |
4 | Charge Ending Voltage | 4.4V |
5 | Discharge Ending Voltage | 0℃≤T(Temperature)≤55℃ 3.0V |
6 | -20℃≤T(Temperature)<0℃ | |
7 | Standard Charging Method | 25±2℃, 0.5C constant current charge to 4.4V, then constant voltage 4.4V charge till charged current declines to ≤ 0.05C |
8 | Max. Constant Charging Current | 1C (15℃~45℃) |
9 | Max. Pulse Charging Current | 1.5C (15℃~45℃)≤30S |
10 | Standard Discharging Current | 25±2℃, 0.5C constant current discharge to 3.0V |
11 | Max. Pulse Discharging Current | 1C |
12 | Operating environment | Charging:-10℃~55℃, max.90%RH ;Discharging: -20℃~55℃, max.90%RH |
13 | Impedance | ≤1.5mΩ |
14 | Cell Weight | 735±40g |