... 1, Intelligent battery charger for Gel and Agm battery. 2, Input: 110VAC, 220VAC . 3, DC: 24V,30A 4,CE 24V/30A lead-acid battery charger ... colors.7,Over current,over voltage.over temperature,short circuit and reverse polarity protection.8,Led display charging states.9, ... charging voltage as per customers different kinds of lead-acid battery.10,Operating temperature:0-50 ,Storage temperature:-10 - +60 . ...