CEN-TECH 12V Deluxe Battery Maintainer and Float Charger – Item 62813 / 61911 / 63161

Keep your battery fully charged with this compact, handy float charger. The float charger/maintainer supplies voltage to match your 12 volt battery’s self-discharge rate, keeping your battery “topped off” at all times without overcharging. Ideal for vehicles in long term storage, 12 volt backup batteries for sump pumps and other applications that need a battery to be kept fully charged between long periods of nonuse.