[ltp] Almost dead battery

[Der PC-Flüsterer Christoph Schmees]

Hi Stefan,

Am 19.04.22 um 16:55 schrieb Stefan Monnier:
>>> How can I bring this battery back to life?
>>> ...
>> One of the cells is dead (or even more than one).
> 
> Is this reflected somewhere in the /sys data?

:-) No, this is a pure HW issue (btw, I am physicist).
It is not reflected anywhere, not even in the battery's internal logic.
So how could the OS know?
The behavior you describe is a typical symptom of a dead cell.
You could search for it.

> I could not notice any difference from what it reported a week earlier
> when it was still able to charge.
> 
>> You /could/ disassemble the battery, find the defective cell(s), replace it,
>> reassemble the bat again. - No, nonsense, no one would do that. It is near
>> to impossible unless you can get hold of a very well equipped repair
>> shop. ;-)
> 
> I'm aware of this (non)option, indeed.
> 
>> My advice would be: Go and find a replacement.  They are available and
>> don't cost you a fortune.
> 
> That's my current plan, but since I don't actually need this as a "real"
> battery, I'd prefer to just keep using that old one.  Less waste and
> all that.

I support this approach to full extent. :-)

Christoph