iPhone 15 Pro Battery Drain Issue

So I've had this 15 pro for just under two days and just like yesterday, it was charged overnight. BUT after less than an hour it was down to under 18% battery with Nothing running in the background. I also noticed that during the night when it was plugged in to charge, it would constantly have the screen brighten and then darken like it does when it first gets set on the charging station. It's like it is connecting and disconnecting constantly from the charging station. So I plugged it in with a charging cord and it actually charged. But when I unplugged it once it was charged, the battery drained like I had every app running at the same time but Nothing was open. I have an appt with the apple store tomorrow to have it replaced. This is ridiculous.

My iPhone was reset, rebooted on the phone with the apple customer support team.

It didn’t make any difference to the battery drain. I called them again, they run diagnostics test by sharing screen, still no effect after.

I was asked to take it to the apple shop in reagent street BUT they have put the principalities & powers there that would prove to you that the drain is your fault.

it’s either you are using 50% of your battery on Siri or calendar! Or other things.

Apple seems to have placed them there to prove to the customers that iPhone can’t be wrong.

They turned almost everything off on my phone now, I left the battery at 65% before going to bed around 2200hrs, it’s 37% this morning without using it.

They are not ready to refund, neither are they ready to replace!

Not sure if it worth wasting money and time on iPhone

On the 17.3 update I did not see an update pertaining to a battery issue on “about this update”! Turning off always on, Bluetooth and other features will slow the battery drain but not much! My 13 pro didn’t have as much battery drain with everything turned on as the 15 pro with everything turned off! I’m not going to say an update cannot fix this but I’m doubtful it can!

I applaud you for taking the time to research and observe this. When I got my iPhone 15 pro I had battery draining issues and I went ahead to have it changed. It turned out the replacement works fine with no battery issues

I just checked my Battery production dates and it says November 2023. Well done.

Having the same issue with my 15 pro. My battery life was amazing until I updated to 17.2. My phone is less than a week old with only 4 charges on the battery. 17.3 resulted in a slight difference in life but nothing like I had on the original iOS my phone came with. This is my first iPhone and I am already considering going back if this problem isn’t fixed. My battery life is almost like my 4 year old galaxy phone now

I have an iPhone 15 Pro with iOS 17.3.1. and has been experiencing battery drain, which may be caused by the Home & Lock Screen. After resetting the network setting, as suggested by someone online, I now have a pretty good battery, at least for now. My iPhone was fully charged 18 hours ago but I still have 27% left.

i’m having the same issue except I have the iPhone 15 my last phone was the 11 I already visited T-Mobile who is my service provider and they ended up replacing the phone because I had it for not even a week and the battery was just being completely drained with no explanation why, even after getting the new phone the battery life was good for I could not 48 hours and I’m experiencing the same issues now two hours of screen time on and off whether it’s a FaceTime call or scrolling for a little bit and 50% of the battery life has been completely trained obviously the 15 and the 15 pro have faulty batteries and it’s infuriating

I went to Apple service. I replaced a new battery at my own request. I paid about $120 but the result is still the same, so the problem is not with the battery but with the phone. Apple has all documents about changing the battery. If anyone wants the service documents, l can send.

The worst is mobile data. I know it eats much more than WiFi. Especially when signal isn’t good enough. But I can’t remember any other iPhone which struggled to keep one day of using. Mobile data kills iPhone 15. Is it hardware or iOS 17? It doesn’t matter for all of us. Result is the same. I remember that I could using my mini 13 on the beach. Super hot no clouds and yes it wasn’t the best environment for the phone but it was fine. I can’t imagine taking iPhone 15 pro one the beach. It will be super hot (maybe even it will turn off itself) and battery…well I can only guess it will last 1h maybe maximum.

Frankly, I don't know how that would be possible. When you purchase iPhone 15 they come with a lot of things turned on including location, Ad identifying information, app update etc. Not only that, other applications are running in the background.

Have you been using the iPhone or just turned it off? Did you change a lot of settings? Just curious.

Hi there, I calculated yesterday how much battery is drained during a 45min screen recording.

The only usage was internet navigation and WhatsApp communication. (And obviously the screen recording…)

But here is the thing: Apple says the 15 Pro lasts 23h of videos.

Here are my results:

1% every 3.60min

24h*60min=1440

1440minutes

1440/3.6=400min

400/60=6.7h

This is more than 17h less announced by Apple. Note that my battery health is at “100%”.

Im super annoyed. I hope they can tell me what’s going on at the Genius Bar. I have the 45min screen recording on my phone so I hopefully won’t lose time trying to prove them how bad it is. This is outrageous. 1800€ for this iPhone. And the battery doesn’t even last 7 hours??

My 13Pro battery is much better than the new 15 Pro running with same apps. 13 Pro is set to auto update and can’t do that on the 15 Pro - need to manually update in evenings eith full charge. I make sure no apps are running in the background either. Ran out of battery from full charge waiting 1 hour for a tire change at dealership. This is so disappointing…luckily had the 13 Pro with me and could conmect to WiFi

15 Pro also overheats with Apple Magsafe charger. Apple ran a diagnostic on phone call with the 15Pro and said nothing amiss. I want to return the phone - it’s a total pain….took 5 days after purchase to reach a full charge even with Apple support who blamed it on phone’s AI getting used to how I use the phone

Ditch that AI if this is the crap service it affords to supposedly save battery life

Yeah same here. Recently pushed the 15 pro max and I’m so disappointed with the battery drainage. This is a premium phone with a premium price tag and there is clearly something wrong with these new devices or the battery. My 13 pro max seems to last longer, I’m seriously considering returning for a full refund. Has anyone else had much like with improvements to battery? I’ve literally done everything, turn off background pp refresh, reduced screen brightness, switched off Bluetooth and WiFi when not using. I noticed when I was on a video which last 25 minutes it reduced battery by nearly 20%. That doesn’t seem right at all!

I have the same problem. Just normal use. The battery can’t survive a day.

Same thing. My new iPhone 15 pro max is losing about 10% battery per hour with all apps shut.