Badaptor Battery Adaptor Milwaukee 18v Battery to Makita Power Tools | Battery Packs
TPDL MT18EIN Battery Adapter Converter for Makita to Einhell Power Tool, Battery Adapter for Makita 18 V BL1860 BL1850 BL18400 Li-Ion Battery Converter for Einhell 18 V Li-Ion Power Tool: Amazon.co.uk: DIY
Makita to DeWalt 18-20V Battery Adapter – Badaptor
For Milwaukee 18V Battery Adapter Convert to for Skil 20V NI-CD Power Tools | eBay