How to replace the battery on your Dyson V7 or V8 cordless vacuum - YouTube
Powilling 21.6V 4.0Ah Replacement Lithium Battery with Filters for Dyson V8, V8 Absolute, V8 Motorhead, V8 Fluffy, Dyson V8 SV10 Vacuum Battery : Amazon.sg: Home
Amazon.com: 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