Coleman 58012 2 Watt Solar Battery MaintainerThe Coleman 58012 2-Watt 12-Volt battery maintainer provides maintenance-free charging of your car, SUV, boat, or PWC's 12V battery. Easily mounted to the windshield, the 58012 plugs into the cigarette lighter for easy charging in any weather.Features and Specifications Maintains car, SUV, boat, ATV, PWC batteries Maintenance-free/easy installation Charges in all weather conditions Plugs into cigarette lighter with alligator battery clamps included Mounts on windshield with included suction cups Made of durable ABS plastic & amorphous solar cells Temperature Range: -40°F to 176°F Max output: 2 Watts, 133 mAh under optimal conditions Includes: Solar panel Alligator battery clamps 12 Volt DC plug Manufacturer’s Part Number: 58012 Dimensions (L x W x H): 19 5/8” x 61/2” x 1 1/8” (50 x 16.5 x 3 cm) Weight: 1.8 lbs