Generally, after the health of the iPhone battery is lower than 80%, the battery needs to be replaced. When the health is lower than 80%, the system will force the performance management function to be turned on, and the mobile phone will get stuck in some cases. This restriction can only be lifted by replacing the battery.
If the battery of Apple's mobile phone is less than 80%, it must be replaced. Generally, after the health of the iPhone battery is lower than 80%, the battery needs to be replaced. When the health is lower than 80%, the system will force the performance management function to be turned on, and the mobile phone will get stuck in some cases. This restriction can only be lifted by replacing the battery.
Apple batteries need to be replaced when they are less than 80%. This is Apple's official battery maintenance standard. When the battery health is lower than 80%, there will be slow response, abnormal power consumption, power jump, loss of thermal frame, even waiting for a day, and there will be cases of too fast charging and abnormal shutdown.
Apple's mobile phone battery needs to be replaced when it is less than 80% healthy. Under normal circumstances, the battery of Apple's mobile phone should be changed when it drops to 80%, but it doesn't mean that it must be changed to this healthy level. You can choose according to your own usage.