Get convenient, automatic charging for your 6-volt and 12-volt AGM, GEL, or WET automotive or marine batteries with the DEWAT DXAEC2 2-Amp Battery Charger and Maintainer. This handy unit functions as a battery charger, maintainer,and trickle charger. Its fully automatic, high-frequency charging restores lost battery performance for stronger engine starts and extended battery life. The built-in circuit protection guards against overcharging and reverse polarity. It includes a hanging hook for ease of use in tight spaces.