The Battery Tender Battery Charger 022-0337-DL-WH is a high-quality charger designed to keep your vehicle's battery fully charged and maintained. It features a 4-step charging program that automatically switches to float mode once the battery is fully charged, preventing overcharging. This charger is compatible with all types of lead-acid batteries, including flooded, AGM, and gel cell. It also has a built-in microprocessor that constantly monitors the battery's voltage and adjusts the charging current accordingly. The compact and lightweight design makes it easy to store and transport, making it perfect for use in a variety of vehicles.