Maintains charge on your battery. Features Guest 1.5A Maintainer Charger 120V AC input, 1.5 Amp, 12V DC output Can be used as a portable maintainer or mounted Maintenance mode starts charging the battery when it falls below 12.8V Short circuit, reverse polarity and temperature protected Includes quick disconnect ring terminals and clamps cETLus certified to cUL1236, CEC Specifications Weight: 3.4 lbs