... . Best price 4. Welcome OEM/ODM 24V li-ion battery charger1.Intelligent charger Li-ion battery or lifepo4 battery charger2.Output current : 10A,15A,20A ... 110V/220V voltage selector for charger can use both 110Vac and 220Vac.2,Efficiency: 85%-90%.3,Cooling need a fan ... colors.7,Over current,over voltage.over temperature,short circuit and reverse polarity protection.8,Led display charging states.9,Can ...