New/Open box The NOCO GENIUS2D 6V/12V 2A Onboard Battery Charger is a versatile and reliable tool for charging and maintaining lead-acid batteries in vehicles such as cars, RVs, boats, trucks, and trailers. This charger, with a capacity of up to 40Ah and a peak amp of 2A, features integrated eyelet terminals, temperature compensation, reverse polarity protection, repair mode, and spark-proof protection. With a compact design and compatibility with various battery types, including AGM, gel, flooded, and maintenance-free batteries, this charger is a convenient and efficient solution for keeping your batteries in top condition.