Maintain and charge your vehicle's battery with the Schumacher Electric SP1296 6V 12V Automatic Battery Maintainer. The maintainer is ideal for use with most power sport, car and boat batteries and is constructed with a nonconductive rust-proof case for durability. The multi-stage charging system increases precision, safety and battery life, while the microprocessor controls automatically adjust the amperage rate and the reverse hook-up protection prevents improper use if the clamps are reversed. DOE compliant and UL safety certified. Schumacher Electric SP1296 6V 12V Automatic Battery Maintainer - Battries Chrgrs And Accessories at Academy Sports