Why Your Smartphone’s Battery Drains in Cold Weather

Cold weather means bundling up in layers complete with a hat, scarf, and gloves. Just as we protect ourselves against low temperatures, smartphones need protection, too. Find out how to protect your smartphone with the phone equivalent of a winter coat.

How batteries work

Phone batteries work similarly to car batteries. Just as cars take longer to start in the winter months, phones work slower, too. Batteries convert stored chemical energy to electrical when needed, according to Time. “Cold weather causes internal resistance, slowing down the conversion process and resulting in less overall capacity.”

Electronics, including smartphones, don’t work well in extreme temperatures. In the summertime, an alert might pop up on smartphone screens saying the phone needs to cool down because the device is too hot.

But smartphones react differently to cold weather. “When cold, a phone battery can drain faster than normal, or it might say it has ample power remaining and then suddenly go dead,” CNN says. Whatever you do, don’t attempt to turn on the device when it’s still cold.

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