From the Manufacturer
100/15/2A Automatic On/Off, Charges automotive batteries in 2 to 4 hours. Powerful engine start helps start stubborn vehicles. Charges 6 and 12 volt maintenance free, conventional and deep cycle batteries used in cars, trucks, farm equipment, boats, RV and commercial applications. 2 amp setting is ideal for charging 12 volt motorcycle and lawn mower batteries. Large clamps deliver solid connections. 2 year limited warranty.
Product Description
Automatic Shut-off, ENGINE START DEEP CYCLE 6 & 12 VOLT, 100 AMP ENGINE START, 15 AMP HIGH RATE CHARGE, 2 AMP LOW RATE CHARGE