Compatible With Dyson V7: Suitable For Dyson V7 Series: V7 Animal, V7 Motorhead Pro, V7 Trigger, V7 Car+Boat, V7 Absolute, V7 Fluffy, V7 Hepa, V7 Mattress, V7 Extra. Perfect Replacement For Dyson V7 Sv11 Battery. | | Also Fit For Dyson V8: It Is Also Suitable For Dyson V8 Series: V8 Motorhead, V8 Animal, V8 Fluffy Vacuum Cleaner. Perfect Replacement For Dyson V8 Sv10 Battery. | | Compatible Batteries: The Adapter Is Suitable For Craftsman V20 20V Lithium-Ion Batteries, V20 Cmcb204, Cmcb204-2, Cmcb202, Etc. | | Advantages: Adapter Is Suitable For Craftman V20 Higher Capacity Batteries. Compared With The Original Battery, It Supports The Vacuum Cleaner To Work For A Longer Time. Let You No Longer Endure Long Charging, But The Vacuuming Time Is Very Short. | | Material And Use: Made Of Good Abs Material, Easy To Use. Tips: Adapter Cannot Be Charged, Please Use The Original Charger. Remove The Adapter From The Battery If Not In Use. Please Use 4Ah-5Ah Batteries, High-Capacity B.