![]() Note how the majority of the time, the battery is operating around 3.7V (hence the nominal rating) and it lasts around 8 hours. This is a good/new battery running at 0.1C. I certainly wouldn’t do this on every battery but it’s a great way of spot checking a supplier or a particularly frustrating repair where you need to be certain the battery is good (despite good data from the gas gauge). The other option is to physically test the battery against a dummy load. I ordered one batch of batteries from a supplier and noticed they all had the same serial number and design capacity specs…dubious at best. ![]() The challenge nowadays is that most replacement batteries have sketchy readings from the gas gauge. You are essentially reading the data off the gas gauge IC inside the battery pack. There are also some hardware solutions available that do the same thing. The proper way to do it is to look at the actual design capacity of the battery, via software tools like coconutBattery or 3uTools. Voltage is not the proper way to determine if the battery needs replacement or not. The phone will operate with the battery as low as ~3.1V. It is hardly a failed battery when it is at 3.8V. Measuring iPhone battery life in straight hours of real-world usage (as Apple likes to do) is not an accurate metric for comparison purposes as so many use and environmental factors play a part. But whatever you think of the new battery indicator, it’s definitely a sign of progress that Apple now lets users choose which style they prefer.Can you explain this policy a bit more…it seems rather uninformed.Ī Li-ion battery has a nominal voltage of ~3.7V…that means this is the normal operating voltage. ![]() It’s a little odd to see a full battery icon even when at 42%, for example, but it doesn’t take long to get used to reading the numbers again instead of scanning the bar itself.įor such a small change, there has been a lot written about it online, with some app developers even going so far as to design their own alternatives. You can see here exactly how Apple has chosen to display various percentages, including Low Power Mode (yellow) and low battery warnings (red). Some users aren’t keen on the implementation, as the icon remains full when you have the numbers visible – even when you’re not at 100%. Note that this is only available on certain iPhones, so if the option doesn’t appear in Settings, sadly it’s not possible on your device! This overlays the numerical battery value on top of the existing icon for easy viewing. With iOS 16 comes an alternative: head to Settings > Battery and you can now toggle on Battery Percentage to change the status bar design. Not a big deal, perhaps, but plenty of people have missed having that info at a glance. Apple’s solution was to show a battery icon permanently, with the exact percentage revealed with a swipe from the top-right of the screen. That’s because the introduction of ‘the notch’ meant a smaller status bar and thus less space to fit battery information. Users have been crying out to know their exact battery percentage ever since the numbers were removed in 2017 along with the release of the iPhone X. Ok, we’re being a bit flippant here – but this battery icon change is legitimately one of the most-requested iOS features of the past few years. But clearly the most important change is this: Apple has brought back the numerical battery indicator. Some people will try to tell you that the new Lock Screens are the best thing in iOS 16, or the Focus Filters, or the iCloud Shared Photo Library.
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