Jumpstart your vehicle with this battery charger from DSR ProSeries, featuring a trickle charge, will get your car rolling. On top of having a functionality of automatic, this battery charger has a trickle charge. 1.5 amps are included for ultimate power. Superior performance is achieved with 0.4A input. The voltage rating is 12v. Take advantage of the included 1-1/2 ft. long cable. A 1 ft. long AC cord is included for your convenience.