Dcb120 10.8V 5.0ah for Lithium-Ion Battery 12V Max for Dewalt Xr Dcb127 Rechargeable Power Tool Battery Pack - China Lithium Battery, Power Tool Battery | Made-in-China.com
Dewalt 20V Max = Dewalt 18V XR Internationally
DEWALT 20-Volt MAX XR Cordless Brushless Hammer Drill/Impact Combo Kit (2-Tool) with (1) 4.0Ah, (1) 2.0Ah Battery & Charger DCK287WDCB102 - The Home Depot