The Battery Tender Battery Charger 022-0197 is a compact and lightweight battery charger designed for use with all types of lead-acid batteries, including flooded, sealed, and AGM. It features a 4-step charging process that automatically switches to maintenance mode once the battery is fully charged, ensuring a longer battery life. The charger also has spark-proof and reverse polarity protection for added safety. It comes with a 12-foot output cord and a 5-year warranty.