The Grainger 16V692 is a heavy duty, high capacity, industrial grade battery charger. It features a fully automatic 8-step charging system to optimize battery life. With 25/50/75 amp charging capability, it can charge batteries from 24-120 volts. The charger has overload, short circuit, and reverse polarity protection. It is designed for fleet, industrial, commercial, and agricultural applications. The durable steel enclosure makes it suitable for shop, garage, and outdoor use. This Made in USA charger carries a 5 year warranty.