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Re: OT: repair/replace cell in Li-ion battery?



Am 05/02/2023 um 10:37 schrieb Yvan Masson:
Hi list,

I have a Dell Latitude e6220 with a 2 year 6600 mAh battery, which does not charge above 67% since a few weeks.

This could be due to software/firmware settings. Have you tried installing tlp? Latest kernels should allow you to change threshold settings even for non-Lenovos.


It makes me think that 1/3 of the cells are in a bad state. However, upower says that the capacity is 95%, so remaining cells are probably still good.


95% capacity is very good. I'd say the battery is as good as new.


I don't know anything about battery, but I can do easy soldering. Is it worth the effort to try to save this battery, or not? What could be done?


No. Been there. Done that. Messed up.

Again. Install tlp.

https://linrunner.de/tlp/installation/debian.html

And then run:

# tlp-stat -b

and paste the content.

--
Ottavio Caruso

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