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Battery draining fast on iPhone 15 Pro

Second day with the phone and had to charge it twice today and it’s back down to 19% after normal use…No apps running on background or extended use, battery health at 100% 🤷🏻‍♂️🤦🏻‍♂️


[Re-Titled by Moderator]

Posted on Oct 1, 2023 3:01 PM

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Posted on Dec 4, 2023 6:03 AM

I just got my iphone 15 pro max on Friday. Today is Monday and the battery drains like crazy. All I have done today is make a 10 min phone call, and use Instagram for 15 mins and my battery went from 80 to 68. This has never happened with any of my older iphones

325 replies

Feb 6, 2024 11:39 AM in response to rom.ph

That’s not that’s not the problem at all. I’ve had many Apple phones and what I love about it is the battery doesn’t drink fast the second day I had it not using any apps at work with the phone in my pocket I was down to 10%, I have turned off, the always on and everything that you can and it still drains faster than any iPhone I have ever had. Not happy one bit, I may have to go back to an android bc this absolutely terrible! My three year old iPhone 13 Pro Max didn’t drain this fast before I traded it in, just to put it in perspective

Mar 17, 2024 8:56 AM in response to verdi1987

Actually, that’s not correct, there’s three choices under “charging optimization”

” optimized battery charging”

” 80% limit”

” none”


I’ve actually turned this feature off and selected “none”, I wasn’t finding this to help my battery life or battery drain. If you select the first choice, “optimized battery charging”, your battery eventually charges up to 100%. Just wanted to share that clarification to everyone here.

Mar 24, 2024 10:58 PM in response to ThyTheGreat

I hope my response helps. I charged my phone until 9:55pm last night. I am using Optimized Charging and still it charges to 100%. I noticed that everytime I charged below 40% the battery lasts and is better. When I woke up at 6am, battery still 100% (wifi & BT disabled). Unlike before was reducing 1-2% per 2 hours even when not in use (sleep time). I am currently on ios 17.4. Please see my phone details below. I know seldom use my phone but the performance is better when I charged it 25-39% to 100%(instead of 80%). You see from 9:55pm last night until 12:39pm today, it's still 92%. I am busy at work therefore use for facebook only and other things as you'll see in the pics below.

Battery draining fast on iPhone 15 Pro

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