Is is Safe to keep the iPhone 14 Pro Max on it's Charger for most of the Day?

So I'm doing most of my work from home these days; and my iPhone is sitting next to my computer on it's charger for most of the day. Is this bad for the battery? Will I have to eventually worry about an "expanding battery" issue some time in the future? Or is this a non issue?


Thanks

iPhone 14 Pro Max, iOS 16

Posted on Oct 5, 2022 08:16 AM

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Posted on Oct 5, 2022 08:31 AM

Lithium ion batteries can expand as they age. It's not unexpected behavior. You should make sure that, when the battery's maximum capacity drops below 80%, you have it replaced.


But as ProustGiulio noted, leaving it on the charger won't hurt it.


See also:


When to charge your iPhone or iPad - Apple Community

4 replies
Question marked as Top-ranking reply

Oct 5, 2022 08:31 AM in response to raspberryaddiction

Lithium ion batteries can expand as they age. It's not unexpected behavior. You should make sure that, when the battery's maximum capacity drops below 80%, you have it replaced.


But as ProustGiulio noted, leaving it on the charger won't hurt it.


See also:


When to charge your iPhone or iPad - Apple Community

Oct 5, 2022 10:20 AM in response to raspberryaddiction

raspberryaddiction wrote:

So it's more a question of an old battery. I see. I have an older ipad plugged in all the time; but since it's running an older operating system; there is no battery health section. I suppose I should ultimately replace the battery; it's probably 8 or 9 years old.

Battery age is partly a function of years and partly a function of number of charges cycles.


You can have Apple run diagnostics.


Genius Bar Reservation and Apple Support Options - Apple

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Is is Safe to keep the iPhone 14 Pro Max on it's Charger for most of the Day?

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