Model:IFR26650-3800 Nominal Voltage:3.2V Nominal Capacity:3800mAh Dimensions:(D*H mm) 26.5*65.3 Fast Discharge current:3.8A Max continuous discharge current:11.4A Pulse discharge current:20A, 5S Charge Cut-off voltage :3.65V Discharge Cut-off voltage:2.0V Weight:87.5g Cycle life(DOD at 80%):2000 times Energy:12.16Wh Charge method:CC-CV Internal Impedance:25m© Charge Temperature:0~55 Discharge Temperature:-20~55