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Is the voltage and current output of the power adapter too low harmful to mobile phone batteries?

Article Source：Kinri Energy | Author：Kinri Energy | Issuing Time：2024.04.11
The configuration and performance of 5G smartphones are getting higher and better, and of course, the power consumption is also increasing. Therefore, it is more necessary to choose a power adapter with suitable output voltage and current. If the voltage and current of the charger are insufficient, it will be difficult for the phone to fully charge, and sometimes it can also cause screen flicker, inexplicable crashes, and other problems.



When the power adapter converts 220V AC power into DC power, the situation can be somewhat complex. Firstly, it needs to further stabilize and filter the input voltage to ensure stable operation in case of poor power performance. The stabilized voltage is divided into two parts: one part provides power for the phone to work, and the other part charges the battery.

People may think that if the output voltage and current of the power adapter are too high, it exceeds the maximum range of the phone and is easy to damage the phone battery. In fact, this is not the case. Currently, safety adapters on the market are generally equipped with a smart chip that can automatically adjust the current. If the current output current of the charger is too large, it will be adjusted to the next level. When the current and voltage of the power adapter are insufficient, it may actually increase the load on the phone's circuit. In this state, the phone generates more heat than usual, which can easily damage the battery life of the phone.
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