Amazon.com: Lilocaja MT20ML Battery Adapter Converter Converts Makita 18V Max Li-ion Battery to Milwaukee M18 18V Lithium-ion Battery, for Milwaukee M18 18V Tools : Tools & Home Improvement
Torubia Battery Adapter for Milwaukee to Makita Battery, for Milwaukee 18V for Dewalt 20V Battery Convert to for Makita 18V Battery(Black) - Walmart.com
Makita Battery Adapter for (Milwaukee and Dewalt Batteries) - YouTube