How about a mobile phone that is not durable?

"Put the mobile phone battery close to the use limit in the refrigerator, freeze it for a certain period of time, and then take it out and continue to use it. The battery will last longer than before freezing! " This is a shortcut to repair the old battery of mobile phones that has been widely circulated in Hangzhou recently.

Frozen battery prolongs the standby time of mobile phone.

Turn off the phone and turn it on after the battery is fully charged. From then on, you don't need this mobile phone to answer and make any calls, and you don't send or receive text messages. Without any interference, the mobile phone stood by quietly, and after nearly 3 days, it was completely dead.

Then enter the experimental stage: put the fully equipped mobile phone battery into the freezer of the refrigerator (according to popular saying, in order to prevent the battery from getting wet, it is necessary to wrap the mobile phone firmly with plastic wrap first, and try to be obedient when wrapping, and it takes three layers inside and outside to ensure that the battery is in a vacuum state. Then, wrap three layers of newspapers outside the plastic wrap and completely seal the cell phone battery. After 48 hours, the battery was taken out and the six layers of paper film wrapped around the battery were removed one by one. The surface of the battery has not expanded or deformed due to freezing.

After cooling for a period of time, put the battery into the mobile phone and turn it on. In the same situation, on the third day, the mobile phone that would have automatically turned off was only missing one grid of electricity on the screen. A week later, there is still one cell left on the phone screen. On the ninth day, the mobile phone didn't give a prompt tone because of insufficient power.

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