... life>10years 5 Low shelf discharge<1% NoItemSpecification1ModelNiMH AA wireless phone battery packs2Nominal Capacity600mAh3Nominal Voltage3.6V4Size44.5*15.5* ... Features:Super high capacity,Low internal resistance,Excellent operating output,Long cycle life,SafetyNo memory effectEnviromental protectionGood performance characteristics ... plane model,LED,power tools etc. NiMH AA wireless phone battery packs