100A 6V MAX/12V MAX Fully Automatic Battery Charger and Jump Starter

100A engine start 30A boost mode and 6A<>2A charge/maintain mode. Battery and alternator testers to diagnose battery and electrical issues. Fully automatic operation employs an advanced multi-stage charging algorithm. Bad battery indicator. Desulfation mode. Reverse protection prevents damage to the charger vehicle and battery if connections are reversed. Float mode monitoring adds a charge as needed to maintain a fully charged battery. Auto voltage detection automatically detects the voltage of a connected battery. Dimensions: 5"H x 12"L x 16"W.