Shoreline Marine Battery Charger and Maintainer Natural convection cooling Includes 6' input/output cable and heat shrink terminals Reverse polarity and short circuit protected Meets all fcc radiated Emission requirements For Use on most 12V lead acid and agm batteries Charges all 12 Volt Gel and Lead Acid Batteries 6' input and output cable For portable or onboard mounted use Reverse polarity and short circuit protected Meets all FCC radiated emission requirements