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Why is my iPhone 16 Pro Max battery draining so fast?

Hi everyone,


Has anyone noticed their 16 pro max battery draining quicker than it should? Got the phone on launch day, under Settings>Battery it mentioned some updates running in the background may affect battery and thermal performance so I waited. Now that the message is gone, I still notice the battery draining quicker than usual.


[Re-Titled by Moderator]

iPhone 16 Pro Max, iOS 18

Posted on Sep 21, 2024 9:24 PM

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Question marked as Top-ranking reply

Posted on Sep 24, 2024 9:15 PM

My phone used to drain battery rapidly even when it was idle, and I couldn’t figure out why. A friend recommended this guide 11 Proven Steps to fix iPhone 16 Pro Max Battery Drain Issue. I followed their tips, turning off few features that I didn’t need to be running in background, especially background apps like the weather and map widgets. Now, I’m seeing a noticeable improvement in my battery life! You should try them aswell.

185 replies

Sep 30, 2024 6:58 AM in response to HeartsbaneCut

I took my iPhone 16 Pro off the charger less than an hour ago. I've barely used it because I'm on my computer. The phone is just sitting here next to me and the battery is down to 63%. What in the world is happening? I use my phone a ton for work. My 13 Pro was awesome, so I'm feeling regret. Is anyone from Apple acknowledging this and do they have a plan?

Oct 9, 2024 8:18 AM in response to sanket263

I'll give an example. I tested how long it would last watching a video. I charged to 100% and it dropped to 51% after over 13h. When it got to 51% I stopped because it was obvious it could last that much more or at least another 10 hours. This is my second similar video attempt, the first one showed the same results, but it was before the last update. Here is a visual:

Why is my iPhone 16 Pro Max battery draining so fast?

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