DM18M for Dewalt Battery Adapter for Makita 18V Power Tools, TPDL Convert for Milwaukee 18V or for Dewalt 20V Li-ion Battery to Makita 18V Tool with USB Port: Amazon.co.uk: DIY & Tools
Badaptor MIL-MAK - 18V battery adapter converts MilWaukee batteries to be compatible with Makita tools: Amazon.co.uk: DIY & Tools
Battery adaptor to convert Milwaukee M18 batteries to Makita 18V tools