... ,60V,72V,96V etc. 3,Effiency: 95%,CE certificate. Silicon Battery Charger Features : 1,Ac input: 110Vac or 220Vac as per customers ... ' required, or we can make 110V/220V voltage selector for charger can use both 110Vac and 220Vac.2,Efficiency: 85%-90 ... - +60 .If you have any other optional functions requirements about battery charger , please feel free to contact us. We can make it ...