DEWALT Battery Adapter 18V to 20V, For Drills, Sanders and More, Charger Not Included, Bare Tool Only (DCA1820) - - Amazon.com
Amazon.com: Synergy Digital Power Tool Battery, Compatible with DeWalt DW990K-2 Power Tool, (Li-ion, 14.4V, 3000mAh) Ultra High Capacity, Replacement for DeWalt DE9141 Battery : Tools & Home Improvement