Coleman 18W Solar Kit: Ideal for charging the batteries of boats, SUVs, RVs, tractors, ATVs, electric fences, deer feeders, and more! Made with a durable aluminum frame and shatterproof tempered glass Amorphous solar technology allows the panel to operate in all daylight conditions, even on cloudy days Fully weatherproof design Connects directly to battery with included battery clamps The 7-amp charge controller prevents overcharging of 12V batteries Includes: solar panel with 8ft. (2.4m) of wire, 7-amp charge controller Battery clamps, wire adapter, mounting hardware