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Would you buy a new battery for a very old laptop?
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this post was submitted on 04 Jul 2023
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That sounds about right, now that you're jogging my memory. I have a 2007 a Sony laptop that I eventually wiped and installed Linux. Ran so much better than Windows.
In 2017 I bought a Samsung Galaxy S8 smartphone, which ran circles around my laptop. Coupled with my laptop battery lasting about half an hour, I stopped using it.
I just googled how to rebuild laptop batteries. It never occurred to me it could be done.
If it has a removable battery, then it's likely made up of 18650 cells. If it isn't then it's likely a flat lithium cell like a phone.
I pulled the battery case apart and snipped all of the 18650s out and charged them in a dedicated charger. They had been sitting too long and some of them were far below where they should be. It was causing the laptop power adapter to shut off.
Once they were properly charged they all tested good again. I could buy new cells, but I think these will work fine for what it is.
Now I need to spot weld metal tabs back onto the cells, put it back together, and hope it works.