Setting my battery charge to 100 %

"Setting my battery charge to 100 %: iPhone 16 Why won’t my battery charge to 100%? There are times I need it to charge to maximum. Now it only goes to 80%! Help please? Thx!"

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Troubleshooting iPhone Battery Charge:

A. Battery Health Info:

Checked the Battery Health? Apple recommends that you get a battery when the Battery Health reaches below 80%.

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

Read this article about battery optimization and how to disable it. About Charge Limit and Optimized Battery Charging on iPhone - Apple Support