Overnight battery drain

vansh52 Said:

"Overnight battery drain: Hello, I have bought new iPhone 13 pro max and it’s been 3 days I’m using it and it’s draining 8-10 percent battery overnight while the battery health is 100%. So I want to ask you if it’s normal or there is some issue? Please help me. Thank you"

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No. This is not normal (right out-of-the-box). Was it powered on over night? Was something playing (music)?

Troubleshooting iPhone Battery Draining:

A. Battery Drain Info:

The iPhone battery will drain, unless it is plugged in and charging. With lots installed, the charge would be slower. As for how fast it would drain the battery, that would depend on the battery health and the volume (sound) you use.

1. Go Here: iPhone Battery and Performance - Apple Support
2. Scroll Down: to "Your battery's maximum capacity"

B.. Troubleshooting the Battery:

• iPhone Battery and Performance - Apple Support

• Charge and Monitor the iPhone Battery - Apple Support

• About the Battery Usage on your iPhone - Apple Support

• About Optimized Battery Charging on your iPhone - Apple Support

• If you see "Your iPhone Battery may Need to be Serviced" - Apple Support

• Use Low Power Mode to Save Battery Life on your iPhone - Apple Support