The industry's most powerful plug-in wall charger. Combining the latest technology and a host of user-friendly features, this compact, high-power unit provides optimum amperage return and is designed to fully charge and maintain conventional batteries and low maintenance absorbed glass mat (AGM) batteries. Three level charge cycle reaches 14.4 volts peak, then automatically switches to float, AC power LED indicator and 12-ft output cord. 2-year limited warranty from manufacture.