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Why Charging Your Gadgets Over 80% Is Such a Bad Idea | iFixit News
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this post was submitted on 16 Feb 2024
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If it shouldn't be charged above 80%, then make 80% the new 100%. "But this one goes to 11"
They already did. The percentage range on your phone's battery display is basically a usable range rather than an absolute range. The article talks about phone manufacturers making changes to their charging systems to optimize battery function, but the headline bit about not charging past a certain point has been taken into account by Android and iOS for ages.
Very few android phones actually have this feature, most manufacturers strip it
A lot of charging circuits and battery designs already do this transparently.
Yes. Batteries are bags of chemicals. They don't really have percentages. Where you decide 100% is is somewhat arbitrary and up to the battery management.
What the system shows the user may be even a completely different number and there may be software adjustable values.
It's inherently a made up number and a manufacturer can decide to be more brutal or more sparing in how they treat the chemicals.