The Deltran Battery Tender Plus is a 1.25 amp battery charger designed to fully charge a battery and maintain it at proper storage voltage without the damaging effects caused by trickle chargers. Included is a quick connect harness for hard to reach areas. Battery Tender Plus's new BTP microchip technology applies the correct peak charge, then automatically maintains the battery at the perfect float voltage which virtually eliminates battery destroying sulfation. What does all this technology mean for you? A battery that is ready to go when you are! BTP microchip technology will extend the life of your battery. The new Battery Tender Plus will correctly charge and maintain any type of lead acid battery - AGM (absorbed glass mat) or sealed calcium batteries.   Visit Seller.