... density, long service time, nice temperature performance, low cost and no pollution, which could help users to save cost ... and prevent from environmental problems.Sepcification Input voltage: AC220V,output ... BMS included, interface on penal.Mutiple choice for output: 48V/40Ah,48V/50Ah,48V/100Ah,48V/200Ah LifePO4 battery pack for communication station