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Specifcations of A123 18650 LiFePO4 battery cell
| Item | Specification |
| Nominal Capacity | 1100mAh (0.5C discharge) |
| Minimum Capacity | 1000mAh (0.5C discharge) |
| Charging Voltage | 3.6±0.05V |
| Nominal Voltage | 3.2V @ 0.55A |
| Charging Method | CC-CV (constant voltage with limited current) |
| Charging Current | Standard charge: 550mA, Rapid charge: 1,100mA |
| Charging Time | Standard charge: 6-8 hours, Rapid charge: 2 hours |
| Discharge Current | 550mA (ambient temperature 25°C) – 97% Capacity |
| Max. Discharge Current | 1,100mAm (ambient temperature 25°C) – 92%Capacity |
| Discharge Cut-off Voltage | 2.0V |
| Cell Weight | 39.5g max. |
| Cell Dimension | Height: 65.00mm max. Diameter: 18.25mm max. |
| Operating Temperature | Charge: 0 to 45 °C Discharge:-20 to 60°C |