Amazon.com: V7 Battery Adapter for Makita 18V Lithium Battery Converter to Replace for Dyson V7 Battery, Work for Dyson V7 Series Vacuum Cleaners Animal Absolute Fluffy HEPA Cordless Stick(V7 Adapter Not Battery) :
Amazon.com: Makita ADP05 18V LXT® Lithium-Ion Cordless Power Source, Power Source Only : Patio, Lawn & Garden