Here's a Solar Panel and Controller that's great for use with cars, boats, tractors, RVs, motorized sports vehicles, deer feeders, water pumps and all 12-volt rechargeable batteries. It's a high-quality amorphous solar panel that works well in all lighting conditions for up to 18 Watts and 1200 mA. Kit includes Nature Power 8 Amp Charge Controller and can handle up to 130 Watts of solar array. The panel is a light and compact 36" x 12.5" x 1.5" and weighs about 31 lbs. On your next trip, don't go without 12-volt power, bring this easy-to-use Kit along.