Battery Adapter for Dyson V7/V8 Vacuum – Compatible with Ryobi 18V Lithium Battery (Model RYO18V7V8 – Adapter Only, No Battery Included). 1 x RYO18V7V8 Battery Adapter (for Dyson V7/V8). Just plug the adapter into your Dyson vacuum, then insert your Ryobi 18V battery—ready to clean in seconds.
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