Pro Tip: Max out your iPhone battery life with this extreme trick

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Save your battery with this pretty extreme trick.
Save your battery with this pretty extreme trick.
Photo: Jim Merithew/Cult of Mac

My iPhone 6 Plus is a battery hog. I routinely get around 12 hours off of one full charge. I carry around external battery packs to make sure I’m not short when it matters.

I’d do pretty much anything to increase the amount of battery I have left at the end of the day, including the following fairly extreme trick.

Pro Tip: Check your Apple Watch battery from your iPhone

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Get your battery info fast and easy.
Get your battery info fast and easy.
Photo: Rob LeFebvre/Cult of Mac

Pro Tip Cult of Mac bugYou can of course check the status of your Apple Watch battery on your wrist, but it’s even easier to discover how much Apple Watch juice you have left right from your iPhone.

In fact, you can check the battery status of anything connected via Bluetooth, including headphones and speakers.

Here’s how.

All-week Apple Watch battery life could be possible due to MIT breakthrough

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The Apple Watch battery could last a lot longer per charge thanks to a new lithium ion advancement.
The Apple Watch battery could last a lot longer per charge thanks to a new lithium ion advancement.
Photo: iFixIt

Despite many theoretical improvement, lithium ion batteries remain a very slowly progressing technology. Moore’s Law keeps on helping our gadgets better at conserving batteries, but the batteries themselves aren’t keeping pace with Moore’s Law when it comes to increasing capacity.

But a new innovation by a team of forgetful researchers might change all that: they’ve figured out how to quadruple a li-ion battery’s lifespan.

Save your battery with iOS 9’s Low Power Mode

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Keep your iPhone humming for up to three hours until your next charge.
Keep your iPhone humming for up to three hours until your next charge.
Photo: Rob LeFebvre/Cult of Mac

iOS 9 brings a bunch of battery-boosting features, most of which work right out of the box. But there’s one battery-saving feature you’ll have to enable yourself.

Called Low Power Mode, this new feature should prove super-useful when you need to eke out just a bit more time with your device — provided you’re not doing anything intense.