Why Is My iPhone Battery Yellow? Understanding Low Power Mode

Ever wondered why your iPhone battery icon turns yellow all of a sudden? It’s actually an indication of a feature called Low Power Mode, designed to extend your iPhone’s battery life. In this article, you’ll learn why your iPhone battery is yellow and how to manage this feature effectively.

Why Is My iPhone Battery Yellow?

When your iPhone’s battery icon turns yellow, it means you’re in Low Power Mode. This mode reduces background activity and optimizes system performance to extend your battery life. Here’s how to understand and control this feature.

Step 1: Open Settings

Open the Settings app on your iPhone by tapping on the gear icon on your Home screen.

Opening the Settings app is your gateway to managing various features and functions on your iPhone, including battery settings.

Step 2: Tap on Battery

Scroll down and tap on the Battery option in the Settings menu.

The Battery menu allows you to monitor battery usage and access settings to optimize battery performance, including toggling Low Power Mode on or off.

Step 3: Toggle Low Power Mode

Toggle the switch next to Low Power Mode to turn it off or on as needed.

When you toggle Low Power Mode on or off, you control whether your iPhone conserves energy by reducing background activities and slowing down certain features.

Step 4: Observe Battery Icon Color

Check your battery icon to see if it has changed from yellow to its regular color or vice versa.

The color change of the battery icon is a visual confirmation of whether Low Power Mode is active, making it easy to monitor your battery-saving settings.

Step 5: Monitor Battery Performance

Keep an eye on your battery performance to see if Low Power Mode is helping extend the battery life.

Monitoring battery performance helps you understand how effective Low Power Mode is and whether you need to use it more frequently.

After completing these steps, your iPhone’s battery icon will reflect the current power mode, and you can better manage your battery life.

Tips for Understanding Why Your iPhone Battery Is Yellow

  • Learn the Trigger: Low Power Mode activates automatically when your battery drops to 20%, but you can also enable it manually.
  • Background Apps: This mode limits background app refresh, mail fetch, and some visual effects to save battery.
  • Performance Impact: Some apps and features may take longer to update or complete tasks when Low Power Mode is on.
  • Battery Health: Regularly check your battery health in the Battery settings to see if your battery needs replacing.
  • Optimal Charging: Use optimized battery charging to slow the rate of battery aging by reducing the time your iPhone spends fully charged.

Frequently Asked Questions

Why did my battery icon turn yellow?

When your battery icon turns yellow, it means Low Power Mode is enabled to extend your battery life by reducing background activity.

How do I turn off Low Power Mode?

You can turn off Low Power Mode by going to Settings > Battery and toggling off the Low Power Mode switch.

Does Low Power Mode affect performance?

Yes, Low Power Mode reduces background activity and can slow down some processes to save battery life.

Can I manually activate Low Power Mode?

Yes, you can activate it manually via Settings > Battery or by asking Siri to "Turn on Low Power Mode."

How do I know if Low Power Mode is working?

Your battery icon will turn yellow, and you may notice reduced background activity and slightly slower performance.


  1. Open Settings.
  2. Tap on Battery.
  3. Toggle Low Power Mode.
  4. Observe Battery Icon Color.
  5. Monitor Battery Performance.


Understanding why your iPhone battery turns yellow is essential for managing your device’s battery life effectively. Low Power Mode is a handy feature that helps extend your battery life by optimizing performance and limiting background activities. Knowing how to activate and deactivate this mode empowers you to make the most of your device’s battery between charges.

For further reading, consider exploring Apple’s official support resources on battery health and maintenance. Remember, keeping an eye on your battery settings today can save you from the hassle of unexpected shutdowns tomorrow. So, the next time someone asks, "Why is my iPhone battery yellow?" you’ll have all the answers ready. Happy battery management!