iPhone 13 Pro battery draining overnight

I got an iPhone 13 pro a few days ago.


When I leave my home for work at 8 am, the phone is at 100%. When I come back at 8 pm the phone is at 65% which is fine. I am using it mostly to listen music with spotify, listen some podcasts and some internet browsing.


When I come home, I'm charging it until midnight. At midnight, the phone is at 100% and I unplug it.

Yesterday morning at 7 am, the phone was about 45%. I heard that spotify consumes more resources with iOS15 so I have disabled background refresh for spotify .

Yesterday I redo the same thing but I have closed all applications and restart the phone.

This morning the phone was about 53%.

I need to replug my phone during one hour to get a full battery


The phone is consuming more battery during the night doing nothing.


At home, the phone is in the same room with two homepod minis, an ipad pro and with a 12 pro max. I migrate my data from the 12 pro max to the 13 pro.

At the office, there is no apple products.

I have the last version of ios installed on the phone



[Re-Titled by Moderator]

Posted on Sep 29, 2021 11:36 AM

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Posted on Feb 11, 2022 7:58 AM

I had very similar symptoms to those described by nosleduc:


Brand new iPhone 13 mini with battery at 100% charge in the evening and a few times a week I found it in the morning with

  • battery level 55-60%.
  • Latest iOS installed - yes
  • All background processing in apps deactivated - yes
  • I even de-activated wifi, bluetooth and cell connection in the evenings - to see if this eliminates this strange behaviour - but it STILL kept repeating
  • I also took my phone to apple service - where it was tested/diagnosed - nothing suspicious found.


But still most of the days the battery history chart in iOS would show gradual decrease: from midnight to 6 AM even though there was no app activity whatsoever.


Finally I think I found some corellation / explanation, though is seems pretty weird:

I noticed that the phenomenon occurs ONLY if the phone is left on a wireless charger (plain Qi charger from Spigen) AND if it is not placed exactly in the middle of the charger,


i.e. my hypothesis is that the phone 'notices' the charger and tries to connect, but for some reason cannot really start charging (because it is not placed exactly in the right spot) and there is some process that keeps repeating 'attempt to charge the phone' - but instead of charging this loop is actually draining the battery.


I know it sounds weird and irrelevant, but once I stopped leaving the phone on Qi charger overnight, the strange phenomenon has STOPPED completely. So (at least in my case) this seems to have resolved the problem.


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142 replies

Oct 2, 2021 8:22 AM in response to nosleduc

nosleduc wrote:

I have closed all applications. As you can see in the picture, I have selected the range 6-7 pm to show you appilcation usage. There is no allications running between 0 am to 9 am.

I am in France, my carrier does not provide too much details. But last month I consumed 2 GB.

I do not leave my home this week-end, I will have time to check on 13 pro and 12 pro max.

Closing applications does not stop them from running; they will be reloaded if they receive notifications, if they have scheduled updates such as the Weather app, email updates unless all accounts are set to Manual, texts, etc.


And even if the phone is not downloading anything it will connect to the cellular network every few minutes to show it is still online and able to receive calls and texts. If the signal is weak this can use a significant amount of power. So knowing whether it disconnects from cellular data or if the signal is weak during the night the phone can use a lot of power just syncing with the network.



Nov 19, 2021 6:51 AM in response to Doctor Zhivago

Doctor Zhivago wrote:

My 13 has drained 5% in 8 minutes since switching on this morning. Not normal.

Perfectly normal. It will drain whenever apps uses energy, and when you first turn it on lots of apps will update their data at the same time. You seem to want to own a battery monitor more than a phone. You will be much happier if you ignore the battery and just enjoy using your phone, and charge it if it drops below 20% during the day after charging it overnight.

Nov 20, 2021 11:57 AM in response to mane584

mane584 wrote:

boas
tenho um Iphone 13 Pro Max e gostava de saber se é normal quando no écran diz que tem 100% de carga mas diz ao carregar .....

o meu com tudo desligado sem aplicações em segundo plano sem gps ligado nem encontrar Iphone e siri desligada e copia de segurança desligada, durante a noite gasta-me 20% de carga sem presença de aplicações a trabalhar.

There is never a time when apps on an iPhone are not working. There is always something using energy, for notifications, email and text downloads, data updates for both built-in apps and 3rd party apps (weather, for example). Turning off background app refresh does not stop apps from responding to events, it only blocks apps from spontaneously processing, something very few apps do even when enabled. And force-quitting apps does not stop them from responding to events, either. In fact, force-quitting apps actually wastes energy because when the app must reload to respond to a notification or event that requires more energy than just restarting a suspended app.


You should be charging the phone overnight; it is the best way to make your battery last longer.


Google Translate:

Nunca há um momento em que os aplicativos em um iPhone não estejam funcionando. Sempre há algo usando energia, para notificações, downloads de e-mail e texto, atualizações de dados para aplicativos integrados e aplicativos de terceiros (clima, por exemplo). Desativar a atualização do aplicativo em segundo plano não impede que os aplicativos respondam aos eventos, apenas bloqueia o processamento espontâneo dos aplicativos, algo que poucos aplicativos fazem mesmo quando habilitados. E o encerramento forçado de aplicativos também não os impede de responder aos eventos. Na verdade, o encerramento forçado de aplicativos desperdiça energia porque o aplicativo precisa ser recarregado para responder a uma notificação ou evento que requer mais energia do que apenas reiniciar um aplicativo suspenso.


Você deve carregar o telefone durante a noite; é a melhor maneira de fazer sua bateria durar mais.

Dec 22, 2021 2:11 AM in response to obaid292

obaid292 - If you read through these forums, you will understand that these pages are not monitored/read by Apple.


You need to call Apple tech support in whichever territory you are, they may be able to help. You should also submit feedback on the issues you are experiencing to the official Apple Feedback page (Google Apple feedback, it will bring up the correct page - I would choose "iPhone" as the section under which to submit).


These are the only methods that I am aware of for consumers to bring faults to Apple's attention - the more reports Apple receives, the more likely their engineers are to work on issuing a fix. Good luck.

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iPhone 13 Pro battery draining overnight

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