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Here's why your iPhone battery dies when it's cold out

Here's why your iPhone battery dies when it's cold out
PHOTO COURTESY OF MOTHERBOARD

If you're in part of the country where the temperature is freezing, as in literally below 32 degrees Fahrenheit, like in much of the country that was recently pummeled by winter storm Jonas, you may have noticed your digital device acting weird. You're not imaging things.

A lot of people have been reporting that their Apple iPhones seem to be sluggish, or that their battery is dying unusually fast. It's the cold weather, and deep in the fine print, Apple (and probably other smartphone makers) warned you about it.

In fact, on Apple's support pages, it warns that its iOS mobile devices act up if they're not warm.

"Use iOS devices where the ambient temperature is between [32 degrees and 95 degrees]," Apple suggests. "Low- or high-temperature conditions might cause the device to change its behavior to regulate its temperature."

Very cold conditions, Apple says, "may temporarily shorten battery life and could cause the device to turn off. Battery life will return to normal when the device is brought back to higher ambient temperatures."

The problem has to do with the battery's ability to convert its stored chemical energy into electrical energy. Cold temperatures slow down that process.

Note: If your iPhone looks weird in the cold, it's because the cold weather is slowing down the liquid crystals in its LCD screen.

The bottom line? Keep your iOS device at temperatures that you think are comfortable.

But, don't think the summer is necessarily better for your iPhone. Check out this video of a former Apple employee warning you that an iPhone battery can be permanently damaged if it's extremely hot outside.

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Source: Motherboard
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