... supply such as car or generator etc. 48v 20a lead-acid battery charger, 48v battery charger, 48V ... optional, customized, The max 2000A3. Max power 100KW48v 20a lead-acid battery charger, 48v battery charger, 48V Automatic ... ModelYK-CD4820ItemCapability parameterAC inputAC220V AC±15%, 50HzCharging current1-20A adjustableCharging processConstant current—(constant voltage) equal charge reduce current ...