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
Makita Battery Adapter to DeWalt – Power Tools Adapters
Upgrade Path from Dewalt 18V Cordless Tools?
Wireless Vacuum Cleaner Handheld Vacuum for Dewalt 18V 20V Max Li-ion Battery Powered Cordless Vacuum with 4 Heads Attachment
Powerextra 4.5Ah 18V DC9096 DC9098 Replacement Battery Compatible with Dewalt 18 Volt XPR Battery DC9099 DW9095 DW9096 DW9098 DE9038 Cordless Power Tools - - Amazon.com