... ,72V,96V. 2,Charging Max Current: 10A,15A,20A,30A 3,Automatic charger. 4,CE General Features : 1,Ac input: 110Vac ... charger can use both 110Vac and 220Vac.2,Efficiency: 85%-90%.3,Cooling need a fan.4,Automatic,Advanced ,high frequency,swich ...