Reveal the reason why iPhone 12 stops charging once it is 80% full!

Some users of the iPhone12 series and the latest models reported that when their iPhones were charged to 80%, they stopped charging.

If the iiPhone battery power has not continued to rise for a long time, it may be due to battery problems. Any damage?

Especially after the iOS16 system was released, many users reported that the charging speed of the iPhone became slower and the battery consumption was faster after the update.

Don’t worry if you encounter iPhone charging-related problems, there are usually The following four reasons lead to this situation:

1. The iPhone has turned on the "Optimize Battery Charging" function

In the iOS 13 system, Apple has added the "Optimize Battery Charging" function to the iPhone. In extending battery life. This feature optimizes battery charging by reducing the time it takes for the iPhone to fully charge.

After using this feature, the iPhone will delay charging to more than 80% in some cases

The iPhone can use the machine learning capabilities on the device to learn the user's daily charging habits. The "Optimize Battery Charging" function will only be activated when the iPhone determines that it needs to be connected to the charger for a long time.

When "Optimized Battery Charging" is enabled, a notification will be displayed on the lock screen to inform the user that the iPhone will When fully charged. If the user wants to charge the iPhone as quickly as possible, please long press the notification and then click "Charge Now"

2. Battery health failure

Have you ever paid attention to the battery health of your iPhone? Battery health problems do not only occur when the iPhone battery capacity is lower than 80%, and the battery needs to be replaced.

According to the life limit of the lithium battery, when the iPhone is recharged more than 500 times, it will take about 14 -18 months, the battery life will begin to decline, and the general capacity will drop to about 80%. At this time, the iPhone may experience obvious lagging, which is caused by battery aging. It is recommended to consider replacing the battery

3. The device temperature is too high

Charging the iPhone at the same time, running large games or shooting videos or talking on the phone for a long time may cause the iPhone to overheat

When the temperature of the iPhone is high, the protection mechanism may be triggered. At this time, if you charge the phone, the charging speed may slow down or even stop charging.

In order to ensure the normal use of the iPhone, it is not recommended to charge while while using a mobile phone. The iPhone itself is prone to heat, so you should stop using it during charging and wait for the temperature of the device to drop before charging. This can avoid problems caused by overheating of the phone

4. iOS system failure

If after upgrading, downgrading, flashing or jailbreaking, your iPhone cannot be charged or the charging speed is very slow. In this case, it is very likely that there is a malfunction in the iOS system

Especially after the iOS 16 beta version was released, I tried to update to the iOS 16 beta version and found a problem with the charging speed of my iPhone. Very slow, even with 18W fast charging, only 20% of the battery is increased after two hours of charging

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