Petr Škuta All new iPhones 11, i.e. iPhone 11, iPhone 11 Pro and iPhone 11 Pro Max, contain new components that, together with software, are supposed to slow down battery wear.
Apple describes everything in a new support document, which specifically talks about the combination of new hardware components together with control software. Together, they take care of the device's performance.
The software is supposed to smartly change everything dynamically so that not only energy is wasted, but also the performance itself. The result should be a less worn battery as well as a less stuck phone.
According to the description in the document, it is a new system that is the successor of previous versions and can actively prevent battery wear.
This is not the first time that Apple has attempted a similar feature. It was already activated at the end of 2017, but at that time without the users' knowledge. The result was a publicized affair. Apple has been accused of artificially slowing down phones to force users to buy newer devices.
The first attempts at dynamic power and energy management led to a media scandal
The company later complicatedly explained that slowing down the phone is a defense mechanism. In Cupertino, they decided that when the battery capacity is running out, it is better to slow down the smartphone than to let it subsequently collapse and turn off.
It was a very beneficial idea, unfortunately very poorly communicated. Many users then believed that their device was no longer working properly and bought new ones. However, it turned out that after the battery was replaced, the performance returned to its original state.
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Apple eventually clarified everything and offered to replace the batteries for free. The program lasted the whole year 2018. Subsequently, the iPhone 8, iPhone 8 Plus and iPhone X models came, which already had built-in hardware components that took care of dynamic performance and energy management.
Probably with the new models Apple came up with the next generation of components and control software. In any case, due to the nature of the current batteries, sooner or later they will wear out a lot. This can be manifested, for example, by slow loading applications, slow reactions, poor mobile signal reception or reduced speaker volume or screen brightness.
The only thing that will help with these signals is replacing the battery.
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Dan Pražák Source: 9to5Mac
I have installed iOS 13, the "Optimized battery charging" option is activated so that the charge does not exceed 80%, but the iPhone still tries to charge above 80% capacity. iPhone 7+, battery capacity (wear) 96%, I always charge in the evening, at approximately the same time. Can anyone advise where the problem is, why the charging does not finish at 79% capacity? Is this feature only for iPhone 11???
I would give it time. The iPhone must learn the times when you charge it and then it will most likely start to behave as described. I probably still have little information to evaluate. It's the same with my XS.
Just a detail: "Apple eventually clarified everything and offered free battery replacements." Customers had to pay (the battery). The price was very good, but it wasn't free.