iPhone 16 pro battery draining fast

It feels like the 16 pro drains battery like crazy. Mine has gone from 95% to 81% in 38 minutes of light use and some picture taking. Phone also gets really hot when using the camera!


Anyone else experiencing this?

iPhone 16 Pro, iOS 18

Posted on Sep 25, 2024 10:03 AM

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Posted on Oct 3, 2024 3:25 AM

I got my phone on Monday 30th September (delivered at nearly 9pm) and it took me until the following day to transfer everything from my 14 Pro Max, so I didn't start using it properly until Tuesday 1st October. For 2 days, I experienced this issue (excessive battery drain) and I became particularly annoyed because my phone was seemingly permanently attached to a charger and the battery percentage wasn't going up. As of last night I was considering sending it back as other posts on here suggested that Apple support was reporting no issues with the phones even though almost everyone was experiencing the same fault.


I did notice that there is a software update available - and although it is just 18.0 by all accounts this update is just for new iPhone 16's (all variances). It says it's a security update but once installed, my battery life is significantly better - to the extent that at nearly 11.30am, it's at 91% and I've used it for work calls; listening to an audio book for 30 minutes and playing some games since 6.30am when I took it off a normal overnight charge.


Maybe it was the update or maybe something else (although I didn't do or change anything else in my normal phone usage/routine) but the battery drain issue seems to have been resolved.

219 replies

Mar 24, 2025 12:01 PM in response to Matonsen

Found this thread too late. just upgraded iphone 13 to 16 Pro using AT&T promo.

I thought there was something wrong with my charger.

Iphone 13 would easily get through the day with low mode 20% hitting at dinner on the worst day.

Now this 16 pro cant make it to lunch before hitting the Red.


Cripple the phone with no AI, no background, no refresh, etc.... maybe I make it a whole day.


Might go swap this for a 16 plus.

Apr 8, 2025 1:29 PM in response to Passinos

Passinos wrote:

Exact same problem here had a 3 year old iPhone 13 that would make it to the end of the day at 20%.
my new iPhone 16 Pro was at 20% just after lunch. Never making it to the end of the day.
Performed all 11 battery tricks and now much better. 80% at lunch and 35% end of day.
Shouldn’t have to cripple the phone just to make it work as advertise, but it’s functional


Do you mind sharing these “tricks”?


Thank you.

Apr 26, 2025 11:53 AM in response to Matonsen

Same. I was hanging on to my 12 for dear life but it out last week and I had to get a new one. Upgraded to 16 pro and it’s the worst phone I’ve ever had. How does Apple charge what it does for these phones when the battery life is horrible and it overheats constantly? Not to mention it lags and I seem to have been one of the lucky ones who has Bluetooth connection issues. I don’t understand how the battery drains so quickly when I’m not even on it excessively.


Im ready to go back to flip phones lol




[Edited by Moderator]

May 6, 2025 6:23 AM in response to dharanivelp

dharanivelp wrote:

my iphone 16 battery draining very fast even while moderate usage (safari, youtube, instagram).

also noticed that battery draining very fast while no network coverage area

please fix this ASAP.

First, no one in this user to user forum can fix anything, but there’s nothing to fix anyway.


Second, what you are seeing is normal. If you have no network coverage your phone keeps trying to find a network, and to do so it blasts out “where are you” signals at maximum power (using a lot of battery energy) every couple of minutes. ALL cell phones do this, not just iPhones. If you know you have no coverage turn on Airplane Mode. You can still have Wi-Fi and Bluetooth on in Airplane Mode.


Would you please define “draining very fast” outside of the no signal condition? If you charge your iPhone overnight, every night (a best practice) you should not need to charge during the day unless you are using hours of Facetime and other social media, streaming videos, or playing interactive games.

May 6, 2025 8:19 AM in response to peofromswe

peofromswe wrote:
It might well be a problem with iOS 18 which has been a quite daunting iOS to be honest since it is riddled with bugs and has barely no new usable features. I even have Apple Intelligence completely turned off by now.

That is nonsense. if iOS 18 was “riddled with bugs” then the 500 million users who have it would be complaining about it. Do you see hundreds of thousands of reports?


I find the new features extremely usable and for the most part a very welcome change.


A “bug” is something that doesn’t work the way it was intended to. A design change is not a bug. You are confusing “bug” with “something I don’t like"

May 6, 2025 10:07 AM in response to Lawrence Finch

Nope I am not confusing it with "something I do not like"


iOS 18


  • Battery drain (or non compatibility with iPhone 16 Pro and Pro Max either or)
  • Medications app still missing or lagging on logging medications (widespread issue)
  • Siri does not respond at all when talked to, only fix is to restart the phone - not an issue in iOS17
  • RCS messages not sending as they should
  • Lagging and freezing up randomly


etc etc, all these are issues that tons of users reports on.


I like Apple and their hardware but lately they have been really bad with their software.. Also I am missing all the futures that was promised with Apple Intelligence, no wonder they stopped running those ads about a more "intelligent Siri". So far we only have AI emojis, and yeah thats not really helpful.


I am excited about the new features but right now I would like Apple to quickly focus on getting our devices working like they should, then implement the new stuff.

May 6, 2025 11:59 AM in response to peofromswe

None of those are bugs; they are problems with your iPhone.



peofromswe wrote:

• Nope I am not confusing it with "something I do not like"

iOS 18

Battery drain (or non compatibility with iPhone 16 Pro and Pro Max either or)

I’ve explained about battery drain


• Medications app still missing or lagging on logging medications (widespread issue)

What medications app? Apple does not have a Medications app; is this a 3rd party app? There is a Medications section in the health app that I use and I’ve had no problems with it.


• Siri does not respond at all when talked to, only fix is to restart the phone - not an issue in iOS17

My Siri always responds if I talk in complete sentences. In the bad old days Siri was very stupid, and had to be awakened, and it responded with a beep. That changed in iOS 16, where Siri could understand a complete sentence, such as “Siri, what is tomorrow’s weather”. For iOS 16 & 17 if you didn’t read about this feature in the release notes then Siri would say “Uh Huh” or “umm” if you did not respond with complete sentences, as a reminder. With iOS 18 Apple assumed that everyone had caught on, but apparently they were overoptimistic.


• RCS messages not sending as they should
• Lagging and freezing up randomly

RCS needs 4 things to work: A device that supports RCS for sending (your iPhone), your network provider, the recipient’s network provider and the recipient’s phone. If any of the other 3 don’t support RCS it can’t work. My messaging uses RCS for all of my texts.


Lagging and freezing is a local problem also; mine doesn’t.


One possible cause for both is a misconfigured VPN, so if you use VPN delete the VPN profile and app (you need to delete both).



etc etc, all these are issues that tons of users reports on.

What is “tons”? Perhaps 1% of the 500 million iOS 18 iPhones: 5 million. Suppose 1% of those bother to complain; that’s 50,000. Have you seen 50,000 reports of these issues? I see a few hundred, which means that they are local problems on a few iPhones, and probably a symptom that has different causes on different devices.

May 7, 2025 9:30 AM in response to peofromswe

peofromswe wrote:

Sounds like a made an upgrade which turned into a downgrade. I should have stayed with my iPhone 14 and iOS 17 since there are no improvements to these new phones and all advertised AI features are delayed.

"all advertised AI features are delayed", really?

  • Writing Tools
  • Image Playground
  • Genmoji
  • Message Summaries
  • Mail Summaries
  • Photos Cleanup
  • Chat GPT Integration
  • Natural Language Photo Search


The only advertised feature I am aware of that has been delayed is the contextual integration with Contacts and Reminders with Siri. Am I missing something or is this just a gross exaggeration to try and make some point? You can certainly dislike the phone for many reasons, but claims such as that just fall flat.

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iPhone 16 pro battery draining fast

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