Sunforce 50013 Solar Power Sports Battery Maintainer, Weatherproof Design, Durable Abs Plastic and Shatterproof Tempered Glass, Overcharge and Discharge Protected, Black Finish Helps charge 12V batteries with the power of the sun Works with motorcycles, personal water crafts,ATVs, snowmobiles and tractors Amorphous panel works in all daylight conditions and is weatherproof for added durability Built-in overcharge/discharge protection Complete kit includes 8 ft of wire connected to the solar panel, 8 ft of extra wire, battery clamps, O ring connector, fuse, and Quick Connect Technology for simple installation