this post was submitted on 21 Dec 2023
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Android

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[–] lolcatnip@reddthat.com 4 points 10 months ago (1 children)

But can you tell how much longer the battery will keep working?

[–] sudoku@programming.dev 1 points 10 months ago (1 children)

does it see future? all it knows is the current calculated capacity and cycle count. the battery might continue degrading linearly, or it might go down a cliff. nobody knows.

[–] lolcatnip@reddthat.com 1 points 10 months ago (1 children)

Ever look at a weather report? Predicting the future according to a model whose inputs are measurements of things we can't directly perceive is something we do all the time.

[–] sudoku@programming.dev 1 points 10 months ago (1 children)

You can predict things when you

  • know how things are now
  • have seen how similar events unfold in the future

Now who is keeping current performance data for every single battery batch? For every single battery model ever produced?

[–] lolcatnip@reddthat.com 1 points 10 months ago (1 children)

You're seriously gonna argue that having a complete history of a battery's usage and data from phones of the same model doesn't tell you anything more than a user's gut feeling about how well the battery is performing?

[–] sudoku@programming.dev 1 points 10 months ago

Oh it will show the actual capacity. But who knows when will it fail (i.e. start degrading a lot faster)?