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However, it is not recommended to charge for a long time.
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Because at present, most of the smart phones we use are lithium batteries, and basically have their own PMU module, a simple translation is the power management unit, one of the functions of this unit is to manage the power, and the current is also its pipe, it can be plugged in after the user, automatically to detect whether the current battery power needs to be charged. Some mobile phones also support fast charging function, control what time fast charging, how long after entering slow charging, to prevent current overload and then cause high temperature mobile phone. After being fully charged, the PMU will also automatically give a power off signal to prevent the phone battery from continuing to charge and entering the standby state. If long charging does have an impact, mobile phone manufacturers will not invent wireless chargers, which are continuous charging.