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How the cold weather "kills" your phone battery (Instructions and tips)

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Now that winter is coming soon, let's see how you can prevent battery drain in cold weather!


ΘYou may have noticed that your phone battery drains faster during the winter months, and it is generally known that electronic devices and cold weather never go very well together.

Why does the cold weather drain your phone battery faster?

In short, it turns out that the phone battery works through chain chemical reactions, and the low temperature slows down or stops this chemical reaction altogether.

The phone is powered by the use of charged lithium ion particles. On a cold day these particles encounter greater resistance as they move across the battery to supply the energy needed by the phone. And as these charged particles slow down or stick, the battery life drops sharply.



The temperature that describes the average kinetic energy of molecules in a material or system (measured in Celsius, Kelvin, Fahrenheit or Rankin) plays a very important role in your device.

At the molecular level, higher temperatures mean more molecular motion and activity at the same time. This translates into a steady stream of charged particles that power your phone. But as the temperature drops, the molecular activity slows down. As a result, the device "thinks" that your phone's battery is empty.

Because your phone does not have an external thermometer, it has no idea how cold it is. This inability to keep the device informed of the ambient temperature causes the device to warn the user that "the battery is low" - when in fact, there is a very low external temperature that is transferred to both the internal circuits and the device battery.

How to prevent the battery from running out in cold weather

Based on what we have explained so far, the solution is quite simple. Try to warm up your phone battery . This in turn will increase the molecular activity in your battery by allowing the charged lithium ion particles to flow smoothly through your phone circuit.


  • Keep your phone closed and covered

Do not expose your phone to very cold weather. Keep it in your inner pocket jacket close to your body. Once the phone is isolated from the cold weather, your body heat will help the chemical processes in your battery to run smoothly.

  • Use an insulating protective case

During the winter you can buy a special protective case. These cases usually come with built-in insulation to trap heat around your phone.


  • Activate the power save function

This is obvious. Turn on your smartphone saving  energy. This will extend the life of the battery.

  • Turn off your phone

If you are worried about the battery, turn off your phone and keep it in a warm place or close to your body so that it is ready to be switched on and used when needed.

  • Use your phone wisely and sparingly

On a very cold day, try to use your smartphone as little as possible. But if you really need to use it, at least try to protect it from the wind. Exposing your phone to cold air outside makes it cool much faster. So stop moving, hold the phone as close to your body as possible and pull your phone out for as little time as possible.

How to warm up your phone

If your phone turns off due to cold weather, heat it slowly . Remember, this is just a defense mechanism against extreme weather conditions.

To warm up your phone, insert it  close  and not directly to one  warm surface . If you are still out, you can use your body. Body heat can heat up the appliance and cause it to start working again.


Charge your phone in extreme conditions

It is very important to remember not to charge your phone battery until the device returns to normal temperature. Charging a battery while it is still cold can cause permanent damage.

Apple warns its users to use their devices in between 0 ° C and 35 ° C. Using a device outside of these temperatures may damage the battery life or cause the device to behave in an unwanted manner.

But not all batteries are affected in the same way. Some phone batteries hold the charge much better than others during the winter. This is due to the fact that they are made of different material.

In any case, it is a good rule of thumb to keep your phone as a part of your body, during the cold days and nights of winter.


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