A solar car battery charger can lengthen the life of your battery. All you need to do is plug it into your cigarette lighter to start charging your car battery. Not only does this solar car battery charger lengthen the life of your battery (and prevent internal loss of power), it helps ensure that you can start your car, even after not driving it for a long period of time. This solar battery charger comes with easy-to-understand instructions and a built-in LED indicator that lights up when charging. You can use this solar car battery charger with trucks, cars, motorcycles, vans, and farm equipment. It is durable and weatherproof. Specifications: - Output: 13v @ 200-250mA - Dimensions: 12” x 4 x .75” - Weight: 1 lb - Warranty: 2 years Features: - Plugs into cigarette lighter - Weatherproof construction - Use with motorcycles, cars, vans, trucks, farm equipment - Suction cups allow optimal placement for maximum sun exposure - suction cups for easy mounting - CE Listed LED charging indicator light - 12v cigarette plug - battery clamp cables Note: the solar car battery charger is not for jump-starting vehicles.