Why Is My iPhone Battery Icon Yellow? The Ultimate Guide

Have you ever glanced at your iPhone, only to notice that the battery icon is suddenly yellow? It’s not something you see every day, and it can be a bit alarming. But don’t worry, there’s a perfectly good explanation for it, and it’s actually a feature designed to help you. In the next 1000 words, we’re going to explore why your iPhone battery icon turns yellow, what it means, and how you can take advantage of this feature to get the most out of your device’s battery life.

After you understand why your iPhone battery icon is yellow, you’ll have a better grasp of the features your phone offers to help conserve battery life. You’ll also be able to use your device more efficiently without worrying about running out of power too quickly.


Imagine you’re in the middle of a busy day, relying heavily on your iPhone to get through your tasks, keeping in touch with colleagues, or navigating to your next meeting. You glance at your phone, and suddenly, the battery icon is yellow! Before you panic and scramble for a charger, take a deep breath – it’s not as bad as it seems. In fact, it’s a sign that your iPhone is taking steps to extend your battery life.

Understanding the yellow battery icon is crucial for any iPhone user, as it can be the difference between your phone dying at a critical moment or making it through the day. It’s a feature built into the iPhone’s operating system, called Low Power Mode, and it’s there to help you when your battery is getting low. Let’s dive into what triggers this mode, how to activate and deactivate it, and the benefits and limitations it brings to your iPhone’s performance.

Why Is My iPhone Battery Icon Yellow?

Step 1: Recognize Low Power Mode

When your iPhone’s battery reaches 20%, it will automatically ask if you want to turn on Low Power Mode.

Low Power Mode is a feature that reduces the amount of power that your iPhone uses when the battery gets low. It automatically adjusts settings to conserve battery life, such as reducing screen brightness, minimizing system animations, and pausing automatic downloads.

Step 2: Manually Activate Low Power Mode

You can also manually activate Low Power Mode by going to Settings > Battery and toggling the switch for Low Power Mode.

If you want to preemptively conserve your battery before it hits 20%, you can enable Low Power Mode at any time. It can be useful if you know you’ll be away from a charger for an extended period and need your battery to last.

Step 3: Understand the Effects of Low Power Mode

Once activated, Low Power Mode changes the battery icon to yellow and limits background tasks and visual effects.

It’s important to note that while Low Power Mode can help extend your battery life, it might slow down certain functionalities. For example, mail fetch, background app refresh, automatic downloads, and some visual effects are reduced or turned off.


Extended Battery LifeBy activating Low Power Mode, your iPhone uses less power, thus extending the battery life. When you’re in a pinch, this feature can be a lifesaver, allowing you to continue using your essential apps and services for longer.
Control Over Power UsageLow Power Mode gives you more control over your iPhone’s power usage. You can decide when to activate it, depending on your needs and availability of a charging source. It’s a handy tool for managing your device’s energy consumption.
Automatic ActivationThe iPhone’s automatic prompt to activate Low Power Mode at 20% battery life is a convenient reminder that helps you take action to conserve battery without having to constantly monitor it yourself.


Reduced FunctionalityWhen Low Power Mode is on, some features may be limited or slower, such as email fetch, background app refresh, and some visual effects. This can be inconvenient if you rely on these features regularly.
Manual Deactivation RequiredLow Power Mode stays on until you charge your iPhone to 80% or manually turn it off. This means you have to remember to disable it if you want to return to full functionality before reaching 80% charge.
Possible DisruptionFor users who need their iPhone to perform optimally at all times, the reduced power mode might disrupt their workflow or usage patterns, especially if they are unaware of the feature’s activation.

Additional Information

So, now that you’re in the know about the yellow battery icon and Low Power Mode, what else should you consider? First, it’s important to understand that Low Power Mode is only a temporary fix. It’s not meant to be used all the time, as it does limit some of the iPhone’s capabilities. It’s more of a stop-gap to help you make it through until you can charge your phone.

Another tip is to pay attention to your iPhone’s overall battery health. You can check this by going to Settings > Battery > Battery Health. If your maximum capacity is significantly lower than 100%, it may be time to consider replacing your battery to ensure your device can hold a charge effectively.

Lastly, remember that the best way to keep your iPhone running smoothly is to ensure it’s updated with the latest iOS software, as updates often include battery performance improvements.


  1. Recognize Low Power Mode is activated when your battery icon turns yellow.
  2. Manually activate Low Power Mode in the Settings if needed.
  3. Understand that Low Power Mode limits some functionalities to save battery life.

Frequently Asked Questions

Why is my iPhone battery icon yellow when it’s not at 20%?

If your iPhone battery icon is yellow and the charge is above 20%, it’s likely that Low Power Mode was manually activated.

Will my iPhone charge slower in Low Power Mode?

No, Low Power Mode does not affect charging speed. Your iPhone will charge at the usual rate.

Can I use my iPhone normally in Low Power Mode?

While most functionalities are available, some tasks that run in the background may be limited or disabled to save battery life.

Will Low Power Mode turn off by itself?

Low Power Mode will automatically turn off once your iPhone’s battery reaches 80% charge.

Does Low Power Mode affect the lifespan of my battery?

No, using Low Power Mode does not have a negative impact on your battery’s overall lifespan. It’s designed to help you manage your battery usage more effectively.


So, there you have it! The next time your iPhone battery icon goes yellow, you’ll know it’s not a cause for alarm. Instead, it’s a helpful indication that your device is conserving energy through Low Power Mode. This feature is one of the many thoughtful designs Apple has implemented to ensure that your iPhone serves you well throughout the day.

Whether you’re an iPhone newbie or a seasoned pro, understanding and utilizing Low Power Mode can make a significant difference in your daily device experience. Keep your iPhone updated, monitor your battery health, and enjoy the benefits of this smart power-saving feature. After all, your iPhone is more than just a phone; it’s a lifeline to your world, and every bit of battery counts.

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