Makita 18V Slider Li-ion Battery Convert to DEWALT 20V(Max) Power Tools Adapter | eBay
Battery Adapter for Makita 18V Lithium-ion Power Tools,Convert Milwaukee 18V or Dewalt 20V Lithium-ion Battery to Makita 18V Lithium-ion Battery - Walmart.com
Mellif MT20DL Battery Adapter for Makita to Dewalt 20v max 18v lithium – Mellif Tools
Alian DM18M Battery Adapter for Dewalt 20V for Milwaukee 18V Battery M18 Convert to for MAKITA Battery,for Makita Power Tools,with USB Charging - - Amazon.com
Mellif MT20DL Battery Adapter for Makita to Dewalt 20v max 18v lithium – Mellif Tools
Badaptor Duo DeWalt / Milwaukee to Makita 18V Battery Adapter – Badaptor
Dewalt to Makita 10.8V Battery adapter by cornellius - Thingiverse