This 21.6V V7 Battery Adapter is For dyson V7 V8 cordless vacuum, V7 V8 animal cordless stick vacuum cleaner, V7 V8 absolute Cordless vacuum 214730-01, V7 V8 Animal Cordless HEPA Vacuum Cleaner, V7 V8 animal vacuum 229602-01, V7 V8 Animal Cord-Free Vacuum, V7 V8 hand-held series vacuum cleaner, V7 V8 motorhead origin cordless stick vacuum and more.