Have you ever seen your iPhone’s battery icon turn yellow and wondered what’s going on? Actually, it’s Low Power Mode kicking in to help conserve battery life when you're running low on charge. But why does it happen, and how can you stop it from popping up too often? In this guide, we’ll explore what the yellow icon really means, how it affects your phone’s performance, and share easy tips and charging solutions to keep your iPhone powered up and running smoothly.

What Does a Yellow Battery Icon Mean on iPhone?

The yellow battery icon typically indicates that Low Power Mode has been activated. This feature is built into iPhones to help conserve battery life, especially when your battery is running low.

As your iPhone’s battery drops below 20%, iOS automatically suggests you turning on Low Power Mode to help extend battery life effectively. 

In short, the yellow icon is your iPhone’s way of telling you it’s trying to save energy.

How Does Low Power Mode Affect Your iPhone?

Low Power Mode does come with certain trade-offs that you should be aware of. Here's how it affects your iPhone:

1. Slower Performance

Low Power Mode reduces the processing power of your iPhone, meaning apps and tasks may take longer to load or perform. This is especially noticeable with graphics-intensive apps or games. 

2. Decreased Screen Brightness

To save battery, your iPhone will automatically lower its screen brightness when Low Power Mode is activated. This can be inconvenient, especially if you’re outside or in a bright  environment. 

3. Limited Background Activity

Features like Background App Refresh, automatic mail fetching, and automatic downloads are turned off. This helps to reduce battery consumption but may affect how frequently your apps update content. 

4. Disables Certain Features

Some advanced features, such as“Hey Siri”and iCloud backups, might not work while Low Power Mode is on. This can also conserve energy. 

However, Low Power Mode is not designed for use over long periods. After all, it restricts your phone's performance in several ways to save power. 

Methods to Prevent Low Power Mode from Activating Too Often

If you find that Low Power Mode is turning on too frequently, there are several steps you can take to reduce its activation:

1. Optimize Background Apps

Background apps can exhaust your battery by constantly refreshing and fetching data. By minimizing the number of apps running in the background, you can better improve your iPhone’s battery life.

To manage background apps, you can go to Settings > General> Background App Refresh.

2. Use Dark Mode and Limit Location Services

Enable Dark Mode to save battery especially on OLED screens where black pixels use less power.
Go to Settings > Display & Brightness and select Dark.
Also, limit Location Services to reduce power drain from constant tracking:
Go to Settings > Privacy & Security > Location Services, and set apps to “While Using the App.”

3. Upgrade Charging Setup with a Smarter, Cooler Solution

The right charging tools can make a huge difference in how quickly your iPhone recharges and how often you need to use Low Power Mode. Using high-quality, efficient, and safe charging accessories is one of the best ways to extend battery life and reduce overheating issue.

Recommended TORRAS Charging Solution to Protect Your Battery

With so many charging tools on the market today, it's easy to get overwhelmed. However, not all chargers are truly safe or reliable. In recent months, several well-known brands including ROMOSS, Anker, and UGREEN have been linked to safety issues such as overheating and even spontaneous combustion, raising serious concerns about battery damage and personal safety.

That’s why we strongly recommend TORRAS. As a brand committed to safety, performance, and innovation, TORRAS has built a reputation as a trusted name in battery protection. Its charging accessories feature advanced cooling systems and strict quality control, offering fast, efficient, and stable power delivery without the risk of overheating or battery degradation.

Here are two of TORRAS’s best charging solutions, designed to help you stay powered, stay cool, and extend your iPhone’s battery life with total peace of mind:

1. TORRAS Low-temp Wireless Charger

The TORRAS Low-temp Wireless Charger is a high-performance, sleek charging solution designed to prevent overheating, protect your battery, and keep your iPhone running at peak performance, so you don’t have to depend on Low Power Mode.

Advanced Cooling Keeps Your Battery Safe: Featuring Tora-ice™ TEC cooling technology, the PolarCircle reduces charging temperatures by up to 77°F, significantly lowering the risk of battery stress and overheating.

Fast Qi2 Wireless Charging (15W): Certified with Qi2 standards, this charger delivers up to 15W of fast, stable power to your iPhone. No more slow charging that forces you into Low Power Mode.

360° Rotating Stand for Any Angle: With its smooth rotating base, you can switch between portrait and landscape modes in seconds.

Intelligent Temperature Control with Silent Mode: Equipped with an ultra-quiet fan and temperature management system, the charger offers two modes:

Normal Mode: Maximum cooling performance

Silent Mode: Hold side button for 3 seconds to reduce fan noise when you need silence

Magnetic Precision & Travel-Friendly Size: Thanks to strong magnets, the charger aligns perfectly with MagSafe-compatible iPhones, ensuring a steady connection even during use. At just 3.21 oz, it’s small enough to fit in your bag or pocket.

2. TORRAS Magnetic Power Bank

To ensure that it attaches securely to your iPhone for efficient and safe wireless charging anywhere, anytime,the TORRAS Magnetic Power Bank is an ideal companion.

5W Wireless Fast Charging: You will enjoy ultra-fast wireless charging with 15W Qi2 speed, capable of charging your iPhone 15 Pro to 30% in just 25 minutes.

30W USB-C Wired Charging: With its 30W USB-C charging port, the MiniMag delivers fast, reliable power to your devices, from smartphones to tablets, at speeds that surpass standard wall outlets.

Magnetic Charging: Having 15N magnets, the power bank securely attaches to your device, enabling effortless, cable-free charging that works seamlessly with MagSafe and magnetic cases.

10,000mAh Battery Capacity: It has a large 10,000mAh capacity. The MiniMag provides enough power to keep your devices charged throughout the day, offering convenience without constant recharging.

Slim and Lightweight Design: Only 0.3 inches of sheer portability--thinner than a credit card and only 115g--lighter than your phone.You can easy to carry without adding bulk to your bag or pocket.

Related Reading: Best Power Bank for Backpacking in 2025

How to Extend Your iPhone's Battery Life

While Low Power Mode is a quick fix, you can also take proactive steps to maximize your iPhone's battery lifespan and reduce the need for it. Here are some additional tips:

1. Turn off Wi-Fi and Bluetooth when not in use

These features can continuously consume power even when you're not using them. Turning them off when they aren’t needed can save battery.

2. Enable Auto-Brightness

By enabling Auto-Brightness, your iPhone can adjust the screen brightness according to the natural light to save battery.

3. Keep Your iPhone’s Software Updated

Apple frequently releases updates that include battery improvements. Keeping your device updated ensures you’re always using the most efficient version of iOS.

4. Use Airplane Mode in Low Signal Areas

If you're in an area with poor signal, your iPhone will constantly search for a signal, which drains battery. Turn on Airplane Mode if you're not expecting any calls or messages.

FAQs

Why does my iPhone battery turn yellow randomly?

This typically happens when Low Power Mode is activated. You can disable it by going to Settings > Battery and toggling off Low Power Mode.

How can I prevent Low Power Mode from turning on automatically?

To prevent Low Power Mode from activating too often,you need to manage your background apps and reduce power-draining settings such as screen brightness, location services, and push notifications.

Conclusion

This is all about how to fix iphone battery yellow issue. By updating your settings, using efficient charging solutions like the TORRAS Low-temp Wireless Charger and Magnetic Power Bank, you can keep your iPhone running at its best without constantly relying on Low Power Mode. While other brands struggle with overheating issues, TORRAS continues to lead with cooling innovation, smart safety design, and user trust.