Why is my iPhone 15 Pro battery draining so quickly?

Bought an iPhone 15 upgraded from 11 but the battery life seems to be just the same as my 11. New battery drains 1% every 4-5 minutes and overheats when charging and it’s not in use. Holds battery at 100% for a while then after that it drains 1% every 4-5 minutes


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iPhone 15 Pro

Posted on Jan 6, 2024 7:02 AM

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Posted on Jan 17, 2024 6:48 AM

KristineKre wrote:

But i was on vacation this weekend and charged phone through my Mac and it lasts at least 36h after charging. I don’t know what should i do now. Seems like they make a phone what only you can charge from you pc for a longer use.

The phone doesn't know where the power is coming from. Electricity is electricity. It sounds more like there was a problem with the adapter you've been using. It's possible you were using one that didn't pull enough power or was defective. Newer iPhones require more powerful adapters.


I got my iPhone 15 Pro on launch day, and I don't think I've ever charged it from my computer. This is the adapter I've been using:


Anker 20 Watt


Note that it is a 20 Watt adapter.

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Why is my iPhone 15 Pro battery draining so quickly?

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