... 1 NiMH Wireless Phone Battery packs 2 CE,UL,RoHS,REACH 3 3.6V-600mAh 4 Long cycle life> ... 10years 5 Low shelf discharge<1% NoItemSpecification1ModelNiMH AA wireless phone battery packs2Nominal ... high capacity,Low internal resistance,Excellent operating output,Long cycle life,SafetyNo memory effectEnviromental protectionGood performance characteristics etcPackage ...