Cyclops 6 Watt/12 Volt Amorphous Solar Panel efficiently charges in all weather conditions including cloudy days. Maintenance free operation, prevents natural drain of batteries over time. Maximum charge up to 6 watts / 300 mAh per hour; Plugs directly into your vehicle's 12V power socket; Specifications: 8.5" x 9.5", weighs less than 4 lbs; Kit includes: Solar panel w/5 ft. cable, 12V DC adaptor, 12V DC socket, battery clamps, extender cable and mounting hardware, (2) two suctions cups and tilting stand.