Amazon.com: DM18D Converter for DeWalt 18v to 20v Battery Adapter,for Milwaukee M18 18v Batteries Adapter, Convert to DC9096,fit for DeWalt 18v XRP Ni-Cad Cordless Tool,Upgraded Version of DCA1820,with USB port : Electronics
DEWALT 4-Tool 18-Volt Nickel Cadmium (Nicd) Power Tool Combo Kit with Soft Case (2-Batteries and charger Included) in the Power Tool Combo Kits department at Lowes.com
XR 18V 3 Speed BL Impact Driver 5.0Ah | DEWALT
DeWalt DCS438N-XJ Accu Grinder 76mm 18V excl. batteries and charger
Upgrade Dewalt 14.4v Drill to Use 18v Battery : 3 Steps - Instructables