... 1,Sealed Lead-acid battery charger 2,Switching Mode Power Supply,MCU control . 3,DC: 36V,25A. 4,CE Certification General Features for 36V/25A ... for charger can use both 110Vac and 220Vac.2,Efficiency: 85%-90%.3,Cooling need a fan.4,Automatic,Advanced ,high ... supply OEM service as per customers' required colors.7,Over current,over voltage.over temperature,short circuit and reverse polarity protection ...