Get convenient, automatic charging for your 6-Volt and 12-Volt AGM, GEL, or WET automotive or marine batteries with the DeWalt Two 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. Includes a hanging hook for ease of use in tight spaces.