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Some iPhone 12 owners are experiencing excessive battery drain

Iphone 12 5g
Iphone 12 5g (Image credit: Apple)

What you need to know

  • Some iPhone 12 owners are experiencing excessive battery drain.
  • The issue is happening even when the phone is in standby or Low Power Mode.

Reported by 9to5Mac, some iPhone 12 owners are experiencing unusual battery drain on their new iPhones. While faster battery drain can be expected when you first get a new iPhone due to all of the app installs and data loading going on in the background, the users in Apple's Community Support forums are reporting excessive drain even when the phone is in Low Battery Mode or on standby overnight.

User Master26A on Apple's Communities forums brought up the fast iPhone 12 Pro battery drain on standby even when their expectations were that it wouldn't be quite as good as the iPhone 11 Pro. They brought up battery loss of about 4% (per hour) on standby shortly after getting their iPhone 12 Pro in late October ... Since then, over 1,000 others have said they're seeing the same trouble. Many are seeing between 20 and 40% loss of battery overnight, and many have tried things like turning off 5G and turning off background app activity, etc.

The user had tried to turn off suspected culprits like 5G, but that did not have any impact on fixing the problem.

No matter what I try, it seems to be going down oddly quick. Not to an useable level or anything world ending, but I guess its sort of suspicious. I check the battery report, and it's not showing any real culprit, just a rapid decline for no clear reason.

Iphone 12 Battery Drain

Iphone 12 Battery Drain (Image credit: 9to5Mac)

The above image shows the battery drain one user is experiencing and you can see that the drain continues at the same pace despite the phone going into Low Battery Mode. Another user spoke to Apple Support and came away with the notion that it may be a bug that could be fixed in an upcoming update to iOS 14.

I spoke to Apple support today & they ran diagnostics saying that everything checks out. I imagine what this means is that there is a software issue causing the battery to drain – hopefully they sort it soon. It 100% isn't normal for all apps to be closed, background app refresh off, Bluetooth off & lose 40% charge overnight. To illustrate here's my battery view overnight.

Many users have responded to the post saying that they are seeing similar issues with their new iPhones.

Joe Wituschek
Contributor

Joe Wituschek is a Contributor at iMore. With over ten years in the technology industry, one of them being at Apple, Joe now covers the company for the website. In addition to covering breaking news, Joe also writes editorials and reviews for a range of products. He fell in love with Apple products when he got an iPod nano for Christmas almost twenty years ago. Despite being considered a "heavy" user, he has always preferred the consumer-focused products like the MacBook Air, iPad mini, and iPhone 13 mini. He will fight to the death to keep a mini iPhone in the lineup. In his free time, Joe enjoys video games, movies, photography, running, and basically everything outdoors.

6 Comments
  • "Many are seeing between 20 and 40% loss of battery overnight" Gee, I don't know. Maybe try turning it off overnight?
  • Or charging it!
  • hahahahah... for someone like me the drain is very annoying... Obviously its draining all the time standby mode or when its being used.
  • I use my phone as my alarm, so I can't turn it off overnight and I also don't like to leave it plugged in overnight (for battery health reasons). That said, I'm not having this issue, so it doesn't affect me, but I can see how it would be annoying if I did have it.
  • I’ve got a 12 Pro Max and don’t really use low power mode, because battery life with this monster is very, very good, so I haven’t noticed this.
  • I just got a 12 Pro Max. There is a 14.2.1 iOS update that is NOT available on my 8 plus. Perhaps this will fix this issue.