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 ATOMIC 20-Volt MAX Cordless Brushless Compact Drill/Impact Combo Kit (2-Tool) with (2) 1.3Ah Batteries, Charger & Bag DCK278C2 - The Home Depot
Amazon.com: maki Replacement DCA1820 Battery Adapter Compatible with Dewalt 18V to 20V Tools (2 Pack) : Tools & Home Improvement
DEWALT 18V to 20V MAX Lithium-Ion Battery Adapter, Charger, (2) 2.0Ah Battery Packs and 20V MAX XR 5.0Ah Battery DCA2203CWDCB205 - The Home Depot
DEWALT 20-Volt 2-Pack 2 Amp-Hour; 2 Amp-Hour Lithium Power Tool Battery Adapter Kit (Charger Included) in the Power Tool Batteries & Chargers department at Lowes.com