... charging Specification ModelGCA-6AGCA-10AGCA-15AGCA-20AGCA-30ANominal battery voltage6V DC 12V DC 24V DC +/-20%Max. output-current(Amps)3-6A DC10A DC15A ... PCS / CARTONInput voltage220V +/-10%Frequency50Hz / 60HzRelative humidity80%Charge modeAUTOMATICCharge voltage6V, 12V, 24V, 36V, 48V, or others will be customizedTemperature≤60°c ...