Rechargeable 14.8v li ion battery pack 1.For:medical device,Portable tooling,emergency ligh 2.14.8V 11ah 3.CE/ ... -7A( Can be choosed)Working temperatureCharge-0~45°C,45~85%RHDischarge-20~60°C,45~85%RHStorage temperature andhumidity0ne month: -10 ... ~+60°C,45~85%RHTwo months: -10~+60°C,45~85%RHOne year: -10~+60°C,45~85%RHCycle life500 ...