The Schumacher .8A 12V Automatic Battery Maintainer keeps your 12V battery road- or water-ready. using this Schumacher battery charger. Perfect for maintaining all power sport, car, and boat batteries, this automatic maintainer keeps vehicles at their optimum minimum charge via float mode, while reverse hook-up protection keeps the battery free of damage. Use it for your car, motorcycle, lawnmower, personal watercraft, or ATV batteries when they'll be left sitting for extended periods to make sure they're charger and ready for action. LED indicators tell you the battery's charge status at a glance, and connect-it-and-forget-it operation ensures lead-acid batteries will remain charged. For a battery maintainer that can automatically adjust amperage to charge and maintain powersports or car batteries, choose the Schumacher .8A 12V Charger. Mfrs. 1-year limited warranty. Microprocessor-controlled to adjust amperage automatically to charge and maintain a battery Charges and maintains 12V power sport, car, and boat batteries Convenient LED status indicators Easy connect-it-and-forget-it operation