this post was submitted on 16 Jun 2023
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No, they don't.
The switch off far too late. The battery is built for weight and size, not for durability. The do not keep a margin to preserve battery life and charge way too high and too low.
Replacing batteries is the wrong approach, because it wastes resources we don't need to waste.
I'm firmly convinced that 5 years battery life is achievable, if we just force the companies to do it. It's just cheaper for them not to do it right now. And companies always do what is cheapest.
And worse: This legislation will actually cement the battery degradation, because the companies have even less reason to build batteries that last. "Just replace them!" will be the answer if it's dead after 6 months.
Do you have a citation on that 5 years being achievable now (or soonish)? I am not very knowledgeable on the state of battery manufacture and from my thinking the constraints we have to work with in phones are mostly volume. In a car you can just "add more battery" as a buffer, but in a phone that space just isnt there.
TL;DR: is there research on this kind of battery lifetime without major limits when it comes to capacity?