POWHAZY Battery Converter for Milwaukee to DeWalt Battery Adapter,Convert Milwaukee M18 18V Battery to DeWalt 20V Battery for DeWalt Tools Use, MWK005A: Amazon.co.uk: DIY & Tools
EID M12 Battery Adapter for Milwaukee 12V,for Dewalt 20V Max for Milwaukee 18V M18 Li-Ion battery convert to work for Milwaukee 12V M12 Cordless Tools Converter: Amazon.co.uk: DIY & Tools