YOUR iPhone has a brainy new trick that unlocks bonus battery life when you need it most.

It's a new iPhone feature that's only been out for just over a week.

The trick is called Adaptive Power , and it was added with last Monday, September 14's iOS 26 update.

And it's also available on the new lot of iPhone 17 smartphone models that Apple released in stores on Friday , September 19.

Once it's turned on, Adaptive Power will analyse how you're using device.

And it'll then make predictions based on whether you'll need more battery life that day.

"With Adaptive Power, your iPhone can automatically extend battery life on days when you're using more power than usual," Apple explained.

"Adaptive Power can predict when you'll need extra battery, and then make performance adju

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