... -7A( Can be choosed)Working temperatureCharge-20~45°C,45~85%RHDischarge-20~60°C,45~85%RHStorage temperature andhumidity0ne month: -20 ... ~+55°C,45~85%RHTwo months: -20~+45°C,45~85%RHOne year: -5~+20°C,45~85%RHCycle life500 ... : CE,UL,FCC, RoHS,ISO9001Features: 1, Longer storage life than NiMH Batteries2, Light weight and higher energy density than any rechargeable ...