Dyson vacuum with Milwaukee battery hack. "Your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should." : r/MilwaukeeTool
adapter for Makita Black&Decker 18V li-ion battery Convert To V6 V7 V8 for Dyson | eBay
Amazon.com: BTRUI for Dyson V6 Battery Adapter for Makita 18V Battery to V6 Absolute/Motohead/Animal+Fluffy/DC58 DC59 DC61 DC62 SV04 SV09 Vacuum Converter (MT18V6 Adapter only) : Home & Kitchen