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Lucas Curious

macrumors 6502a
Original poster
Nov 30, 2020
662
813
I noticed that the MagSafe battery charges the iPhone battery slowly when needed but it keeps the phone battery at 90%.
Does this mean that it preserves the internal battery by not putting it in full charge? Does this mean its good to have the MagSafe battery on the phone most of the time so that the iPhone battery doesn't get used and doesn't go to fully charged?
What's the science on this?
 
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