2Pack 20V Max XR Lithium-ion Battery For Dewalt DCB206-2 DCB205-2 20 Volt 4Ah US | eBay
DeWalt 4.0Ah DCB204 vs DCB182 Battery Packs - Pro Tool Reviews
MT20DL Battery Adapter, Convert for Makita 18V Li-ion Battery to for DeWalt 18V/20V Lithium-Ion Tool Battery Adapter, Use for DeWalt 18V/20V Max Li-ion Cordless Power Tools - - Amazon.com