... ,72V,96V etc. 3,Effiency: 95%,CE certificate. Silicon Battery Charger Features : 1,Ac input: 110Vac or 220Vac as per ... required, or we can make 110V/220V voltage selector for charger can use both 110Vac and 220Vac.2,Efficiency: 85%-90 ... about battery charger , please feel free to contact us. We can make it as per customers' detailed specifications. High Frequency Battery Charger for Silicon Battery