The batteries of the beard trimmer, after 4 years of career, no longer had the same duration. The autonomy had gone from 60 to 30 minutes. I decided to give it a new life by simply replacing the batteries. I believe it will be able to work another 4 years.
Used material:
Batteries to be welded------- amzn.to/346Pdz2
Solder KIT ------------------------- amzn.to/3Gj6nqm
Plastic disassembly kit----- amzn.to/3ARSE8F
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Video recorded with---------- amzn.to/3HmsLAy
Music: bensound.com
Images: flaticon.com