Maintain and charge your vehicle's battery with the Schumacher Electric SC1355 6V 12V Automatic Battery Maintainer. 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. Schumacher Electric SC1355 6V 12V Automatic Battery Maintainer - Battries Chrgrs And Accessories at Academy Sports