Is Apple's mobile phone afraid of cold?

Apple's mobile phone is afraid of cold. Because cold weather will increase the electrolyte resistance of mobile phone lithium battery, the chemical reaction rate of the battery will also decrease. In order to protect the battery, the current generated inside the battery is also relatively reduced. So the cold weather will make the battery of the mobile phone discharge a little, so the Apple mobile phone is very afraid of the cold.

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Before charging, lithium batteries do not need special discharge. Some fast chargers only show 90% full when the signal light changes, and the charger will automatically change to charge the battery slowly. But generally speaking, as long as it is full, it can be removed.

Don't expose the battery to high temperature or cold places, such as dog days, and don't expose the mobile phone in the car; Or take it to an air-conditioned room and put it in a place where the cold wind blows directly. When charging, it is normal for the battery to be a little hot, but it cannot withstand the "suffering" of high temperature. In order to avoid this situation, it is best to charge at room temperature and don't cover anything on the mobile phone.

Memory effect is an effect that the contents of the battery crystallize because of the use of the battery. Generally, it only occurs in nickel-cadmium batteries, and there are fewer nickel-hydrogen batteries, but there is no such phenomenon in lithium batteries. The reason is that the repeated partial charging and discharging of the battery is incomplete. It will temporarily reduce the battery capacity, resulting in shorter talk time.

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Zhongguancun Online-It turns out that they are the real culprits of the automatic shutdown of mobile phones.