26650 lifepo4 battery pack

Nominal voltage: 12.8V

Nominal capacity: 21Ah

Internal resistance: ≤100mΩ

Dimensions: 210×115×72mm

Charge voltage: 14.4V

Charge current: 2.1A

Charge method: CC/CV 

Discharge current: 2.1A

Discharge cut-off voltage: 8V

Operating temperature:

Charging temperature: 0-45°C

Discharging temperature: -20-60°C

Storage temperature:

1 month: -20-60°C

3 month: -20-45°C

1 year: -20-25°C

Relative humidity: 65 ±20% RH