Badaptor - DeWalt to Milwaukee 18V Battery Adapter | DIY at B&Q
Battery Adapter for Dewalt/Milwaukee 20V/18V to Milwaukee M12 12V Li-ion Battery | eBay
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