Stanley 1 Amp Battery Charger/Maintainer

The Stanley BM1S 1 Amp Battery Charger/Maintainer is designed to maintain 12-Volt battery charge in stored vehicles, including those found in RVs, specialty vehicles, antique and classic cars, marine deep cycle batteries, motorcycles, lawn mowers, ATVs, snowmobiles, personal watercraft and more. Use 1 of the 2 included connections (battery clamps and O-rings) to charge up batteries then keep them topped off once fully charged. The Stanley BM1S battery charger is fully automatic with integrated reverse polarity alarm and circuit protection that prevents overcharging or short circuit.