Applicable Dys0N Vacuum Cleaner V7/V8 Series?100% Compatible With Dyson V7 Cordless Stick And Handheld Vacuum Cleaner, V7 Extra Cordless Vacuum Cleaners.Widely Application In The V8 Animal Vacuum, V8 Motorhead Vacuum, V8 Hand-Held Series Vacuum Cleaner | | Compatible With Ryobi 18V Battery?2-In-1 Adapter For Ryobi 18V Lithium Battery(P102 P103 P104 P105 P107 P108 P109 P190 P122 Ect) And 18V Ni-Mh Battery(P100 P101 Abp1801 Abp1803 Bpp1820 Ect) ,Convert To For Dyson V7/8 Handheld Vacuum Cleaner Battery | | Solving The Problem Of Running Out Of Battery?Even If You Are Cleaning, Cleaning Will Stop If It Is Not Charged. If You Use This Product, You Can Install A For Ryobi 18V Lithium Battery, So You Can Solve The Problem Of Running Out Of Battery. | | Easy To Install?No Tools Are Required To Install This Adapter. Simply Attach The Adapter To Your V7/V8 Series Vacuum Cleaner, Slide In The Ryo.Bi 18V Lithium Battery, And You'Re Ready To Go. No Specialized Knowledge Is Required. | |.