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
Repairing a dead 18 volt NI-MH DeWalt Battery Pack - 763 - YouTube
CTB4185 Snap-On® 18V Battery Rebuild Service – MTO Battery
For Dewalt 10 Core 18v/20v Li-ion Battery Replacement Plastic Case Kit Dcb180 Li-ion Battery Shell (no Battery Cell) - Battery Accessories & Charger Accessories - AliExpress