#PSA: iOS 11.3 Brings The Ability To Monitor Battery Health In iPhones…. Here’s How You Use It

One of the things that Apple committed to when #BatteryGate broke out was to give users move visibility into the health of the battery on their iPhone via a software update. Today Apple released iOS 11.3 and that functionality is here. Before I explain how you access it, let me take a moment to explain the purpose behind this functionality.

What this functionality does is:

  • It offers details on maximum battery capacity relative to when it was new.
  • Information on if and when a device is being throttled with performance management features to prevent unexpected shutdowns. And the ability to disable that if you so desire. I wouldn’t. But that’s just me.
  • What apps are using your battery the most.

To utilize this functionality, go to Settings and Battery. You will then see this:


Note the section called Battery Health (Beta). I find it interesting that this is classified as a beta. But in any case, click that and you’ll see this:


In my case, my year old iPhone 7 Plus has lost only 4% of its maximum charge since I got it which is pretty impressive. If your battery is 80% or lower in terms of its maximum capacity, you might want to consider replacing it.

Now if you’ve had an “unexpected shutdown” as Apple calls it, the Peak Performance Capability section will look different. It will tell you that you’ve experienced an “unexpected shutdown” and that the phone is in a performance management mode (aka: it is being throttled) to extend battery life. You’ll also be able to disable it here if you so choose to get maximum performance.

Now to be clear, this functionality is specific to the iPhone. Apple has introduced a new iPad charge management for tablets that are plugged in for long periods of time. In other words, you won’t see any of this if you have an iPad. Regardless, this is a top shelf reason to update your iPhone to iOS 11.3 today.



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