Coleman 58232 36 Watt Folding Solar Panel Type: Solar Panel Output Voltage: 12V Dimensions: 38" x 15" x 3.5" Weight: 22 lbs. Features: Helps Charge 12V Batteries. Works with RV's Boats and remote & back up power. Rugged Aluminum Frame. Conveniently Folds in half for Easy Travel and storage. Shatterproof Tempered Glass. Weatherproof. Plug into 12V DC Plug or directly to the battery. Maintenance Free. Works in all daylight conditions. Includes a 7 Amp Charge Controller. Protect Battery from Overcharge and Discharge. For Use with 12 Volt Solar Panels and Batteries Only. Handles up to 7 Amps of Array Current. Handles up to 100 Watts of Solar Power. Maintenance Free Protection of Your Solar Panel and Batteries. Maintains Battery Voltage. Maintain 12V Batteries in a Fully Charged State