Model Name: ICR18650-22E Model Type: Bare Cell, Li-ion Cylindrical Nominal Capacity : 2200mAh Nominal Voltage : 3.7V Dimension : Diameter 18.25mm, Hight 65.0mm Charge Method : CC-CV 0.5C-4.2V 3h Max. Charge Current : 1CmA=2200mA Charging Time : Standard 3hrs, Rapid 2.5hrs Max. Discharge Current : 2CmA=4400mA Discharge Temperature : -20°C ~ +60°C 1 : Nominal Capacity : 0.2C, 2.75V cut-off : Average Discharge Capacity. 2 : Nominal Voltage : 0.2C, 2.75V cut-off : Average Discharge Voltage. Here are the specs I found from some website. Sent from my C6833 using Tapatalk