Stay powered up with The Koolatron 12V Solar Trickle Charger. The amorphous solar panel charges in all weather conditions, including cloudy days. This Solar Trickle charger is easy to use and requires minimal installation. It includes 7' of cable, 12V DC plug, battery clamps and 2 stainless steel screws. The Koolatron 12V Solar Trickle Charger is ideal for cars, boats, RVs, electric fences and more.