Amazon.com: ZDTZAN MT20DL Battery Adapter for Makita 18V Li-ion Battery use on Dewalt 20V Battery Tool, Convert for Dewalt 18V 20V DCB200 Li-ion Battery Cordless Power Tools : Tools & Home Improvement
Dewalt & Milwaukee to Makita Battery Adapter - Powuse
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
Adapter For Makita 18V Slider Li-ion Battery to for DEWALT 20V Tools Converter | eBay