The Battery Tender Battery Charger 022-0202-COS is a compact and efficient charger designed to keep your battery fully charged and maintained. It features a 4-step charging program that automatically switches to maintenance mode once the battery is fully charged, ensuring that it stays at optimal levels. This charger is perfect for all types of lead-acid batteries, including AGM, gel, and flooded. It also comes with spark-proof and reverse polarity protection for added safety. With its lightweight and portable design, the Battery Tender Battery Charger 022-0202-COS is the perfect solution for keeping your battery charged and ready to go.