AEG (Ridgid) 18V battery - Old DeWalt 18V Tool adapter ( Jadapters ) | eBay
DeWalt Literal Hack Upgrades Battery | Hackaday
DeWALT - 18 Volt NiCad Power Tool Battery - 01573526 - MSC Industrial Supply
DEWALT DW996 14.4 V Adjustable Clutch Hammer Drill With Battery for sale online | eBay
DEWALT 20-Volt Max 2-Pack 2 Amp-Hour Lithium Power Tool Battery Adapter Kit (Charger Included) in the Power Tool Batteries & Chargers department at Lowes.com