Porter Cable 20V to Dyson V7 Battery AdapterThe Black+Decker 20V & Porter Cable 20V to Dyson Adapter lets you power your Dyson V7, and V8 cordless vacuums using your existing 20V batteries. This adapter is a practical solution that gives your older Dyson vacuums a second lifewithout the cost of expensive replacement batteries. Designed for a perfect fit and solid connection, it ensures stable performance and consistent suction power during every cleaning session. Key Features Battery