The battery chargers automotive 6 and 12 volt is easy to use, safe and cost efficient which is designed to charge motorcycles, cars, boats, RVs, tractors and equipment that are not used for some time that equipped with 6V and 12V Lead Acid batteries. The battery charger 6 12V automatically identifies the battery voltage 6V or 12V and adjusts itself to correct charging voltage/current needs so it does not need to manually switch between 6V and 12V. The 6 12v battery charger is based on standard Lead-Acid charge algorithms: 3 stage with constant current, constant voltage and drops to a float charge when the battery is full, that enables the 6 12 volt battery charger left connected for long periods of time without the worry of overcharging the battery. While alligator clips connectors make it easy to adapt to different styles of battery posts, you do not have to worry about mis-operation because the car battery charger 6/12v protects against short-circuit, reverse connection, and other faulty conditions with auto recovery. The car battery charger 6V/12V is available for US, EU, AU, UK, JP plug head version.