Cell Type Cylindrical LiCoO2 battery Connector Type XHP-2 Connector Lenth 55mm (2-1/8") Nominal Capacity 2200mAh Cycle Life >300times Discharge Cut-off Voltage 2.75V Charging Cut-off Voltage 4.2V Housing Material Steel Case Standard Charge 0.2C Max. Continual Discharge Current 3C Charge Temperature 0~55°C Discharge Temperature -20~60°C Storage Temperature 0~35°C Weight About 40g Dimension(D*H) 18*65mm Features: High capacity The cycle life is more than 300 No memory effect, low self-discharge rate. Good storage characteristic and good high temp performance Environmental friendly