???For Dyson V7 V8 Sv10 Sv11 Series Vacuum Cleaner ?100% Compatible With Dyson V7 V8 Sv10 Sv11 Cordless Stick And Handheld Vacuum Cleaner, V7V8 Motorhead Pro, V7 Trigger, V7V8 Fluffy Hepa, V7V8 Absolute Hepa, V7V8 Animal Hepa, V7V8 Car+Boat, V7V8 Mattress, V7V8 Extra Cordless Vacuum Cleaner. | | ???Fit Well For Ryobi 18V Battery?Compatible With Ryobi 18V High Capacity Battery, Such As P108, P192, P193, P194, P122 , Pbp004, Pbp005, Pbp007 Ect. Because Of The High Power For Dyson Vacuum, It'S Recommended To Use The Original 4A And Above Batteries. | | ???2 In 1 Adapter Advantage?This Adapter Enables Your Batteries To Be Used On For Dyson V7 V8 Series Tools. Lets You Enjoy The Benefits Of Extended Operating Time Of Lithium-Ion Batteries On Existing For Dyson Tools. | | ???Smart Protection System? This V7V8 Adapter Complies With Fcc Rohs Security Testing Standards; Built-In Over-Discharge, Over-Voltage, Over-Current, And Over-Temperature Protection, Safe And Reliable. It Is Designed .