Major Technique Parameters: 1)Normal Capacity: 2200mAh 2)Min.Capacity: 2150mAh 3)Normal Voltage: 7.4V 4)End of discharge Voltage: 6.0V 5)Maximum Continuous Discharge Current: 0.5C 6)Internal Resistance: Less than200mΩ 7)Standard charge: 0.5C 8)Operation Temperature Range(Charge): 0-45ºC 9)Operation Temperature Range(Discharge): -20~60ºC 10)Dimensions: 51.3*38.8*14.2mm 11)N.W: about 0.05KG