Why is the maximum battery capacity of the iPhone draining fast? Discover 4 common reasons and how to fix it.

Do you regularly check the battery health on your iPhone? This is an important step to ensure that your battery remains stable and does not degrade over time. If you notice that your iPhone is lagging, performing tasks slowly, or running out of battery quickly, it may be a sign that the maximum capacity of your iPhone is decreasing.

In this article, we will explore the reasons behind the rapid decrease in maximum battery capacity on iPhones and how to fix it.

What is Maximum Capacity on iPhone Battery?

The Maximum Capacity feature on iPhones (or Battery Health) is one of the functions introduced by Apple with the iOS 11.3 beta 2 update in February 2018. This feature allows iPhone users to track the battery health of their device and determine the maximum capacity of the battery after a period of use.

In other words, the maximum capacity of the iPhone battery indicates its health after a certain period of use. If the maximum capacity is only 90%, it means that when you fully charge your iPhone to 100%, the actual battery capacity available for use is only 90%, indicating a 10% degradation.

Reasons for Rapid Decrease in Maximum Capacity on iPhone Battery

The rapid decrease in maximum capacity on iPhone batteries is a common issue that many iPhone users face, which can affect the device’s performance. As a result, the iPhone may experience issues such as fast battery drain even when fully charged, lagging, and slow task performance. So, what are the reasons behind this rapid decrease in maximum capacity?

Poor iPhone Battery Health

As mentioned earlier, the Maximum Capacity feature allows iPhone users to monitor the battery health of their device. In some cases, the maximum battery capacity may decrease rapidly after a short period of use due to the use of low-quality or non-genuine batteries. Many users experience this issue after getting their iPhone repaired at untrustworthy service centers.

To check your iPhone battery health, go to Settings > Battery > Battery Health. Here, you can see the maximum capacity remaining and check if the battery is genuine.

Incorrect Charging Methods

Rapid decrease in maximum capacity can also occur due to incorrect charging habits. Using non-genuine or low-quality charging cables, as well as overcharging the iPhone, can cause the battery to degrade quickly.

Excessive Background App Activity

Running multiple applications in the background without properly closing them can cause rapid decrease in maximum capacity, as the device has to continuously operate at high performance.

What to Do When Maximum Capacity of iPhone Battery Decreases Rapidly?

If you notice a rapid decrease in maximum capacity on your iPhone battery, here are some steps you can take to maintain battery life.

Close Background Apps

Firstly, make sure to close all background apps when you are not using them. This will help reduce lag and stabilize battery life, as the device won’t have to constantly operate at high performance.

Enable Low Power Mode

Enabling Low Power Mode is another way to limit the rapid decrease in maximum capacity of the iPhone battery. This is especially useful for users who use their phones extensively, as it helps prolong battery life.

To enable Low Power Mode, go to Settings > Battery > Enable Low Power Mode.

Replace the Battery

If the maximum capacity of your iPhone battery decreases rapidly and falls below 80%, it is recommended to replace the battery. Take your iPhone to an authorized Apple service center or a reputable repair shop to have the battery replaced with a genuine one.

Conclusion

Through this article, we hope that iPhone users have gained an understanding of the reasons behind the rapid decrease in maximum capacity of the iPhone battery and effective solutions for each case.

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