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
Waitley BL1850 18V 5.0Ah Replacement Battery for Makita Power Tool 5000mah BL1840 BL1860 Battery with LED Power Display 18 v 5A