Specifically designed to charge AGM and flooded lead acid batteries with it pre-set factory performance charge profile. Automatic, 3-step charging with 100 percent output at the dock, even at 90V AC using an extension cord. Distributed-On-Demand means 100 percent of the output is always used, distributing full-rated charging amps to one bank or a combination of all banks as required. All-aluminum housing provides superior cooling at half the weight of most chargers. Includes on-board, push-to-test status monitor on ProTournament 150 and 300, fused output cables, LED charge cycle indicator, reverse polarity and ignition protection. Manufacturer's limited lifetime repair warranty with 1-year replacement warranty. For use on 12V, 24V or 36V systems. 100 percent waterproof and prewired for installation.