Amazon.com: JJXNDO V8 Battery Adapter for Dewalt 20V Lithium Battery Converted to Replace for Dyson V8 Battery, Works with Dyson V8 Series Animal Absolute Vacuum Cleaner(DW20V8 Adapter ONLY) : Home & Kitchen
for Dyson, V8 battery fits all V8 models D & E. Longer run time version – Vacuum Spares UK