Amazon.com: Fancy Buying Replacement Battery Adapter DCA1820 for Dewalt 18V Tools, Convert 18V / 20V Lithium Battery to NiCad/NiMH Battery, Makes The Battery can be Used for Nickel Drill and Charger :
STL file Dewalt 18V-XR to Makita 18V Battery Adapter・3D print model to download・Cults
DEWALT 18V XRP Ni-Cd Rechargeable Battery with Security Strap for DEWALT 18V Power Tools DC9096 - The Home Depot
Dewalt DCB184 18V-20V Max Lithium Ion Battery (5.0Ah) – vertexpowertools
DEWALT 18-Volt 2-Pack 2.4 Amp-Hour; 2.4 Amp-Hour Nickel Cadmium (Nicd) Power Tool Battery Kit in the Power Tool Batteries & Chargers department at Lowes.com
DEWALT 18V to 20V MAX Lithium-Ion Battery Adapter Kit (2 Pack) DCA2203C - The Home Depot