DEWALT 20V MAX Battery Starter Kit with 2 Batteries, 5.0Ah (DCB205-2CK) 20V MAX XR Battery, Lithium Ion, 5.0Ah (DCB205) - - Amazon.com
DEWALT XR 20-Volt 2-Pack 5 Amp-Hour; 5 Amp-Hour Lithium Power Tool Battery Kit (Charger Included) in the Power Tool Batteries & Chargers department at Lowes.com