Revive Your Cell Phone Battery
If the battery on your mobile phone runs out, removing it from the phone and rubbing it for a minute can temporarily revive it and provide you with a little bit if extra power:
It has to do with heat: when a battery is warmed up, it will last longer. If a phone is placed in a very cold environment, the battery will run out quicker.
In the experiment conducted in the above “Mezamashi TV” video, rubbing was able to get about 2 minutes of extra battery life out of a battery that ran out under normal circumstances, and 20 minutes of extra battery life out of a phone battery that had been in a refrigerator.
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