... charger2. Output current : 10A,15A,20A,25A,30A3. Output voltage : 12V,24V,48V,60V,72V4. Widely used for electric trolley, golfcar, folklift ... voltage.over temperature,short circuit and reverse polarity protection.8,Led display charging states.9,Can modify max charging voltage as ... 't remove the cover to prevent from being electric shocked 12V 24V 36V 48V 20A 25A 30A high power SLA li-ion ...