FirstPower 12V 4.0Ah DCB120 Battery Replacement - Compatible with Dewalt 12V Lithium Ion Max Power Tools DCB120 DCB121 DCB127-2Packs - Amazon.com
Two Packs 20V 10.0Ah Lithium-Ion Battery Pack for DCB210 for Dewalt 20 Volt MAX
20V MAX* Compact 4Ah Battery (2 PK) | DEWALT
DEWALT ATOMIC 20-Volt Lithium-Ion Cordless Compact 1/2 in. Drill/Driver Kit with 4.0Ah Battery, 2.0Ah Battery, Charger and Bag DCD794D1WDCB204 - The Home Depot