Wagan Tech’s 15 Amp Lithium-Capable Battery Charger is lightweight and compact. Its digital display is powered by selectable mode intelligent microprocessor with 6 stage fully automatic charging and battery reconditioning. The intelligent battery charge can charge both 6 volt at 2 amps and 112 volt at both 2 amp and 15 amp AGM, GEL, Flooded and lithium vehicle starter batteries. The battery charger has short circuit, reverse polarity, over charger, and over heat protection built-in.