Amazon.com: Synergy Digital Power Tool Battery, Compatible with DeWalt DCD771 Power Tool, (Li-ion, 12V, 1500mAh) Ultra High Capacity, Replacement for DeWalt DCB120, DCB121, DCB123, DCB125, DCB127 Battery : Tools & Home Improvement
Dewalt DCD793D1 20V Max Brushless Cordless 1/2 In. Drill/Driver - Heyden Supply
DEWALT 2-Tool 20-Volt Max Power Tool Combo Kit with Soft Case (2-Batteries and charger Included) in the Power Tool Combo Kits department at Lowes.com
Battery Source
DEWALT 20V Max Cordless Drill Combo Kit, 2-Tool – Grip Support Store
DEWALT DCD771 18V Cordless Drill Electric Impact Electrical Screwdriver Impact Wireless Tool Electric Hand Tools Lithium Battery - AliExpress
DeWalt DCD771 20V MAX Lithium-Ion Cordless 1/2" Drill Driver
DEWALT 20V MAX Cordless 1/2 in. Drill/Driver, (2) 20V 1.3Ah Batteries, Charger and Bag DCD771C2 - The Home Depot