... : 50Hz-60Hz GCA 6-12V/5A, GCA 6-12V/10A, GCA 6-12V/20A, GCA 6-12V/30A, GCA 6-24V/ ... , easy and maintenance, GCA chargers are the ideal portable tools for charging, while the batteries can be put ... : manual switching for GCAFrequency: 50Hz -60HzCharging voltage: 6V, 12V, 24V, 36V, 48V, 72VAmbient temperature: 10±40°COverall ... 80%Switching of charging voltage: GCA exchangeable GCA battery Charger 12V/10A