The Coleman 18-Watt Solar Battery Charging Kit is ideal for charging 12-Volt batteries in cars, RVs, boats, tractors, ATVs, electric fences and deer feeders. Made with a sturdy and durable aluminum frame for long lasting use, it comes complete with a 7 Amp charge controller. Its amorphous solar panel works in all weather, even on cloudy days, in the shade, rain and snow. Maintenance free and easy installation, it features a fully weatherproof design and a built-in blocking diode that protects from battery discharge at night. Includes: alligator clamps, charge controller wire adapter, mounting hardware and a 7 Amp charge controller.