Digitally controlled microprocessor design protects your batteries so you can stay on the water longer. Up to 2 times faster charging times in high temperatures. Enhanced status codes provide comprehensive feedback on charge state, maintenance mode, error notification, and full charge. Short circuit and reverse polarity protection prevents the charger from operating if improperly connected to the battery. Waterproof and shock-resistant aluminum construction withstands corrosive marine environment. For use with 12V/6-cell batteries that are flooded/wet cell, maintenance-free, or starved electrolyte (AGM) only. Includes one prewired onboard charger, one 6' output cable, one AC power cord, installation instructions, and owner's manual. 13-1/2"L x 7-1/2"W x 4"H.