The SUNfilm 5 Watt solar panel is designed to use free solar energy from the sun to keep your vehicle’s battery topped up. The SUNfilm 5 delivers up to 260mA to your 12 Volt batteries. Great for use on cars, trucks, motorcycles, snowmobiles, ATV’s, personal watercraft or any appication where a battery will sit idle. Most batteries will self discharge over time which diminishes the overall battery life. If you keep your batteries topped up all the time you can drastically increase your battery life. It comes with multiple connections so you can use it to charge cell phones, laptops, vehicle batteries, trolling motors and the list goes on. It is the ultimate choice for portable solar charging.