Since the iPhone 15 series added a new ” 80% upper limit ” feature, is Apple’s intention to slow down iPhone battery health and extend battery life? Or are many users questioning whether limiting iPhone charging to 80% is really useful ? A netizen actually tested that after turning on the 80% limit for 3 months, he found that the battery health of the iPhone 15 was still maintained at 100%, which also made him believe that this setting can indeed delay battery aging and decline.
Netizens actually measured the effect of stopping the iPhone from charging at 80%
A netizen shared on PTT that he is a heavy user of mobile phones, so after unboxing the iPhone 15 on September 22, the day it went on sale, he directly changed the iOS charging optimization setting to ” 80% upper limit “. After using it for almost three months, I charge the phone 2 to 3 times every day. The current battery cycle count has reached 123 times. I unexpectedly found that the health of the iPhone battery has remained 100% unchanged so far.
He believes that the “80% upper limit function” of the iPhone 15 can indeed delay the battery health from dropping too quickly. In previous models, the battery key health would quickly drop by 2% in about a month. On the contrary, after turning on the 80% charging limit this time, it really It can prevent the battery from declining too quickl
iPhone 15 series’ 80% charging limit can delay battery life
According to the actual test results of netizens, Apple has added an 80% charging limit function to the iPhone 15 series, which mainly allows the iPhone to charge up to 80% of the power, and then suspends charging until the battery is depleted to 75%. Start charging to 80%, mainly for users who charge frequently every day or use their mobile phones extensively. It can slow down battery life and prevent battery health from declining too quickly.
If you want to know more about the 80% charging limit function of iPhone 15, please refer to the following settings for detailed settings:
How to check the iPhone battery cycle count?
If you want to confirm the current iPhone battery cycle number, whether it is iPhone 15 or an older iPhone model, you can refer to the following method to check:
- How to check iPhone 15 battery health: Click here for tutorial
- How to check iPhone 14 or older models: iOS battery life shortcut script
How to determine iPhone battery health and aging?
Usually, when iPhone battery is aging, in addition to the number of battery cycles, it is also necessary to observe the battery health data. Usually as long as it is lower than 80%, the system will show that the battery health has been significantly reduced, and it is necessary to contact an Apple authorized repair center or IRP. Replace the battery to restore full battery performance and capacity.