DEWALT 20V MAX XR Lithium-Ion Cordless Brushless 1/2 in. Drill/Driver,(1) 5.0Ah Battery, (1) 4.0Ah Compact Battery, and Charger DCD791P1WDCB240 - The Home Depot
2 Pack Dewalt 20V Battery for DEWALT,4000mAh, 4.0Ah, LI-ION Battery for DEWALT DCB206-2 DCB205, 20 Volt Cordless Drill Battery | inkojet.com
DEWALT 20-Volt 2-Pack 4 Amp-Hour; 4 Amp-Hour Lithium Power Tool Battery Kit in the Power Tool Batteries & Chargers department at Lowes.com