The engineers at Deltran led the way in innovation and convenience by introducing the Battery Tender® 800. Since its introduction in 2003, it has been widely accepted as a solid new addition to the Battery Tender® family of charger products. This compact 800 mA battery charger has all the charge characteristics of its cousin the Battery Tender® Junior. It incorporates highly efficient surface mount technology electronic components. The interior is completely encapsulated, protected from shock, vibration, and moisture by an electrically insulating, thermally conductive, flame-retardant, synthetic epoxy resin compound. It's tough, affordable, and a strong, innovative battery charging solution. This charger is no larger than a standard computer mouse yet packs 800 millamps of pure constant current charging power. Coupled with a brain (IC chip), the charger will constantly monitor, charge, and then maintain your battery. Perfect for all outdoor types of ATV's, watercraft, motorcycles, boats, or anywhere water is a threat. Input: 120VAC @ 60 Hz. "Supersmart" technology. Spark proof. Short circuit protected. Reverse polarity protected. Weatherproof. Weighs only 1 pound. Includes alligator clips and ring terminals. Listed in the California Appliance Efficiency Database. Three-year warranty.