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
2 Pack 18 Volt XRP 4.0AH Battery For DEWALT DC9096-2 DC9098 DC9099 DC9096 DW9096 | eBay
Amazon.com: [Upgraded to 4.5Ah]2Pack Replacement Battery Dewalt 18V Battery Compatible with 18 volt dewalt batteries DC9098 DC9096 DC9099 DC970 Ni-Mh DW9095 DW9096 DW9098 DW9099 DE9039 DE9095 DE9096 DE9098 : Tools & Home