ryansc0tt t1_j4odebs wrote
Reply to comment by nikenick28 in iPhone 13 Pro Max charges to 50-60% and stays like that rest of the night while plugged in. Does this happen to anyone else? by Whiffler
That will tell you the "health" of the battery, which you can already see under the battery menu in Settings. There is a separate "Battery Usage" diagnostic Apple support can run; which doesn't provide much additional information, but might be useful if the problem persists after a restore.
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