This battery charger is designed to handle the majority of your charging and starting needs. It charges 6 and 12-Volt conventional wet, deep cycle, AGM/VRLA and Gel batteries used in cars, trucks, farm equipment, RV, boats and commercial applications. Charges automotive batteries in 2 to 4 hours. High-amperage engine start to help start vehicles when the battery is too weak to do the job alone. Saw-tooth clamps assure good connection to top or side-mount battery terminals.