DEWALT XR 2-Tool 20-Volt Brushless Power Tool Combo Kit with Hard Case (2- Batteries and charger Included) in the Power Tool Combo Kits department at Lowes.com
20V Max vs 18V Batteries: Setting the Record Straight - Pro Tool Reviews
DEWALT 20-Volt MAX Cordless 1/2 in. Drill/Driver, (2) 20-Volt 1.3Ah Batteries, Charger & Bag DCD771C2 - The Home Depot
2Packs 18V 4500mAh High Capacity Replacement Battery Compatible with Dewalt 18V Battery DC9096 DC9098 DC9099 Cordless Drill - - Amazon.com
Are Cordless Drill Batteries And Chargers Interchangeable?