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Why Smartphone Batteries Drain Faster in Winter

Smartphone batteries drain faster than usual in winter. This is due to certain processes caused by cold. Mainly, cold slows down the electrochemical reactions that are constantly taking place in batteries. As a result, the battery’s internal resistance increases as the electrolyte solution it contains becomes thicker.

With a high internal resistance, the battery, in turn, cannot transmit a large amount of the necessary current to the smartphone and refuses to work. In the end, all this can cause a deep discharge of the battery, so as a protection measure, smartphones automatically turn off in extreme cold.

Especially often this problem arose in 2015 with the batteries of the new iPhone 6S. Its battery was losing energy so quickly that the smartphone did not even have time to inform the user about it. After that, Apple replaced the batteries of problem devices for free.

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How to protect your smartphone from the cold

Follow our tips to keep your phone’s battery running smoothly even in winter:

  • The ideal temperature range for using mobile batteries is between 10 and 35 degrees Celsius. This temperature should be guided, as far as possible, and outdoors, exposing your smartphone to cold only for a short time. In cold weather, it is worth wearing it closer to the body and warmth.
  • Use headphones for phone calls. Thanks to this, you do not have to take your phone out of your warm pocket.
  • Wait a while before charging your smartphone after you’ve come in from a cold street. Let the phone warm up to room temperature. Rapid temperature changes can cause condensation to form inside the device, which can cause technical damage.

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