This 4 in 1 12V battery charger is designed for versatile use on cars, motorcycles and light commercial vehicles such as RV's and trucks. It offers the user smart charging capability with the ability to vary and alter the amperage and voltage delivered to the vehicle according to the specific requirements of the battery. Features and Benefits The charger offers 4 modes of charging, including low amps support mode when ignition needs to be left on, rescue mode for deeply discharged batteries, battery test mode to test batteries prior to charging, and maintenance mode whereby the test can be left permanently connected and will maintain the battery at 100% charge The battery charger is designed to be used on cars, motorcycles and light commercial vehicles The battery tester is polarity protected to ensure there is no damage if connected incorrectly The battery tester offers a regulated output of 13.5 volts at either 2, 5 or 10 amps for a range of batteries Typical Applications