Disclaimer!: all batteries should be totally discharged! – you need to be familiar with lithium hazard and treatment before starting to do anything.
If you are doing so – its your own risk!
This video shows step by step how to replace cells in Dyson battery
Use the links below to support my site
Links:
Buy on Aliexpress: Aliexpress links
Buy on Amazon: Amazon links
Buy on Ebay: Ebay links