iPhone 11 Pro 11 Pro Max - Battery Starting to drain fast...

[thomamon]

So I noticed something different last night. I charged my phone before going to sleep and when I woke up it was down to 85%. It was the first time I'd seen such a raped battery drain since having the phone, especially when sleeping. I slept from about 12:30am to 7am. So 6 1/2 hours. I checked out the battery app and didn't notice anything being used. Here is a screen cap from the battery app.

 

[KiraYamato]

What did you end up doing?

Didn’t have this problem the first few days, only 3 percent drain overnight. But recently it has started happening (2 days ago overnight 8 percent drain with no apps doing anything according to battery stats and sot stats, rebooted and next night it was back to 3-4. Now I just wake up and it’s drained 15 percent.

Since it can be fixed with a reboot and it didnt have any problems earlier I really don’t feel the need to exchange, no guarantuee you win’t have this problem again or new problems. But it’s puzzling, what is going on.

 

[FlyingDutch]

I don’t have any issue (1% drop in a typical 6/7 hrs night for me) but from what I can see from the graph above, you let the battery drops to 0% charge. That is going to ruin your battery. Try to avoid it and recharge the phone every time it reaches 20%.

btw in a typical day I can’t even see 30% on my iPhone 11 Pro. Battery life is terrific.
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just to let you see my typical night.