Manually charges both 6 and 12 volt batteries, LED indicates when AC power is supplied and 12 volt, battery is fully charge, Heavy-duty cables and steel nickel plated clamps, are corrosion-resistant for better connection, Snap disconnect harness quickly connects clamps, or ring connection to top or side mounted hard to, reach battery terminals, Durable plastic housing, Ideal for charging or boosting during winter season when, starting performance of vehicle battery is lowered by, cold or extreme weather conditions, UL Listed SKU: APS829