- A new feature in Apple’s upcoming iOS 13 iPhone operating system could help prevent the premature aging in iPhone batteries, which causes shorter and shorter battery lives over the ownership of an iPhone.
- "Optimized battery charging" will prevent the battery from being stressed and aging faster by charging iPhone batteries only to 80%.
- It’ll only charge your iPhone with the last remaining 20% in the time before you usually unplug your iPhone during your charging routine.
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The upcoming version of Apple’s iPhone operating system — iOS 13 — comes with a new feature that will prevent your iPhone’s battery life from getting shorter and shorter over time.
The feature is simply called "optimized battery charging," and its goal is to prevent your iPhone’s battery from staying at a 100% charge for too long. Those who charge their iPhone overnight should take note!
Indeed, batteries age faster when they’re under stress, and staying at a 100% charge for long periods of time — like charging overnight every day — is stressful for batteries. Batteries retain less and less energy as they age, resulting in shorter battery lives as your iPhone gets older than when it first came out of the box.
I should note up front that iOS 13 is only coming to the iPhone 6S (including the iPhone SE) and newer iPhones.
Here’s how it works:
When you plug in your iPhone to charge, it’ll only charge up to 80%.
Jack Taylor/Getty Images
This will prevent your iPhone from being at a 100% charge for long periods of time, like during an overnight charge, which ages your iPhone’s battery faster.
It’ll only finish charging the remaining 20% in the time before you typically unplug your iPhone from the charger.
Apple says your iPhone will "learn from your daily charging routine" when to top off the last remaining 20% of battery charge.
Overnight charging — a common way to charge smartphones — offers a perfect example.
Avery Hartmans/Business Insider
You plug in your iPhone at night before going to bed, and your iPhone will only charge to 80%.
Your iPhone will eventually learn that you usually wake up and unplug your iPhone at, say, 8 a.m., and it’ll only finish charging the last remaining 20% just before you typically unplug your iPhone.
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