Ensure that your electronic devices continue to be powered up and functioning as intended with the help of the DieHard 6V 12V Battery Charger & Maintainer. This item is designed to keep stored lead-acid batteries charged and makes use of a microprocessor-controlled, multi-stage system for added precision. When plugged in, this fully automatic battery charger instantly detects the amount of voltage needed. This safety feature prevents overcharging, as it monitors flow and immediately switches to maintenance mode when the charge is completed. DieHard 6V 12V Battery Charger & Maintainer is suitable for use on batteries for motorcycles, ATVs, personal watercraft, lawn tractors, RVs and more. Other capabilities include float mode tracking, LED indicators and a quick-connect harness. The DieHard battery charger and maintainer is UL listed for performance and safety.