It's okay to charge your phone overnight.
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1. Charging a smartphone overnight does not damage most cell phone batteries. Because most of the current smart phones use PMU battery management solutions, after charging is completed, it will automatically cut off the charge and use trickle charging, that is, maintain the full charge state and do not overload charging, so there is no harm to the battery.
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2. The voltage will automatically stop charging after full, but it will affect the service life of the phone. Mobile phone is a portable telephone terminal that can be used in a wide range, the full name of mobile phone or wireless phone, originally just a communication tool, early in China has the common name of mobile phone.
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And can be charged overnight. 2, the current use of smart phones are lithium batteries, not so fragile, when the mobile phone battery is full, the chip inside the battery will automatically cut off the charging power, to avoid overload overcharge, the mobile phone battery will not be damaged, there is no need to get up in the middle of the night to unplug the power, the mobile phone will experience two voltage peaks after full charge will automatically stop charging and automatically disconnect. Today's mobile phone chargers and batteries have overcharge protection, unless the two problems at the same time will be harmful to the battery. 3, the mobile phone is charged overnight, when the battery is full, the overcharge protection will start, and the mobile phone will stop charging. Of course, the phone will consume a small amount of electricity, and the phone will continue to charge. So as long as the overload protection of the charger and battery is not broken, and you use the original formal charger, the phone can be charged all night.