this post was submitted on 03 Sep 2023
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Are you sure you don't already have something like this? My android is a couple years old, but has always let me charge to only 85%
It's not a feature commonly found in AOSP ROMs, in my experience.
That's unfortunate, I guess. I mean, even though I do have my phone set to only charge up to 85%, I don't really know if this is battery protective or not.
Is it?
I just enabled the option because the description of the feature claimed it to be. I haven't researched this at all
Yes it should be, somewhat anyway. Primarily batteries wear out through use, both charging and discharging - if your phone is plugged in but not charging, then your phone is running off mains and the battery isn't being used. However, batteries also wear out over time, albeit much more slowly. Manufacturer's typically recommend keeping batteries in long term storage at around 70% to minimise this effect. If you're always plugged into mains at 100% charge, then you're not following this storage recommendation. Leaving it at 100% won't kill the battery, but its capacity will go down quicker than if left at a lower charge.