Lester Summit Series Golf Cart High Frequency Battery Charger - EZGO Industrial 48v Designed for off-board and on-board use. High AC-to-DC conversion efficiency. Features intelligent natural convection cooling (no fan) and high energy efficiency - great for use in thermally demanding applications. Advanced winter storage mode. Heavy duty sealed aluminum enclosure is resistant to water, dust and other environmental elements. Advanced microprocessor controller and precise charging algorithms prevent both under charging and over charging, optimizing both daily better capacity and overall battery life. Universal AC input for use anywhere in the world.