... 6-12V/5A, GCA 6-12V/10A, GCA 6-12V/20A, GCA 6-12V/30A, GCA 6-24V/5A, GCA 6-24V/10A, GCA 6-24V/20A ... , GCA 6-24V/30A ... , 12V, 24V, 36V, 48V, 72VAmbient temperature: 10±40°COverall temperature rise: ≤60°CRelative humidity: 80%Switching of charging voltage: GCA exchangeable GCA battery Charger 12V ...