MAKBOS Battery Adapter for Dewalt 20V for Milwaukee 18V Convert to for Milwaukee12V Battery,Adaptor Convert for Dewalt for Milwaukee Lithium Battery to for Milwaukee 12V Power Tool: Amazon.co.uk: Electronics & Photo
TIL that my Milwaukee heated jacket battery adapter works for my dewalt heated jacket. Battery adapter for my dewalt jacket broke a year ago and haven't used it since. I am in
Battery Adapter For Dewalt 18V 20V Li-Ion Battery Convert For Milwaukee 18V Tool | eBay
Badaptor - DeWalt to Milwaukee 18V Battery Adapter | DIY at B&Q
DeWalt to Milwaukee Battery Adapter: 20V MAX to M18 Battery Adapter