Official specifications:
Nominal capacity: 4300mAh
Constant discharging: 35A
Nominal voltage: 3.7V
Discharging cut-off voltage: 2.75V
Charging cut-off voltage: 4.20V +/-0.05V
Internal resistance: 30mOhm
Standard charging current: cc/cv <=2A
Operating temperature: Charging: 0°C ~ 45°C, Discharging: -20°C ~ 60°C