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Why Charging Your Gadgets Over 80% Is Such a Bad Idea | iFixit News
(www.ifixit.com)
This is a most excellent place for technology news and articles.
On the S24, it actually changed to 80%. I also turned off fast charging when charging overnight at home.
Yep, no need to fast charge if it has all night
I believe that's because google added it too and theirs was set to 80%