Keep your 12 volt automotive battery in top condition even when your vehicle is in storage. The automatic battery float charger has a floating circuit to maintain a full charge without overcharging. Easy to use, simply connect your battery and plug in the charger. Perfect for RVs, ATVs and other seasonal vehicles. Maintain 12 volt rechargeable batteries in storage Copper-plated steel battery clamps for better conduction LED power indicator light 10 ft. 22 gauge charging cable Automatic safety shutoff