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
Makita 18V LXT Tools and 4.0Ah Battery Compatibility?
Torubia Battery Adapter for Milwaukee to Makita Battery, for Milwaukee 18V for Dewalt 20V Battery Convert to for Makita 18V Battery(Black) - Walmart.com
DeWalt Battery Adapter to Makita – Power Tools Adapters