Plug the phone charger forever in the socket, so or not?
Now when we go, we are not difficult to find the portable charger. Besides, images of these chargers that are always plugged into the power outlet are no stranger. Many people have a habit of keeping the charger in the socket after each charge, so is this harmful?
- Common mistakes when charging the phone
- Why is the fully charged phone still running out of battery?
- Phone does not charge or charge slowly, this is how to handle it
1. Although not charging, it still costs electricity
First of all, we need to understand briefly the principle of operation of the charger. Charge the battery according to the principle of the transformer: Turn the high voltage into low voltage, change the alternating current through one direction. Lower the voltage from 220V to the charging voltage (depending on the phone line), then align the AC current to a 1-way current to charge the phone.
The structure consists of 2 parts which are primary and secondary. In particular, the primary is connected to the input current and the secondary is connected to the current. Thus, whether the circuit is closed or not (ie whether or not to charge), the input circuit is always closed if it is plugged in.
Because of the above-mentioned principle: The power consumption level may be greater if the output circuit is closed (when charging), but it is clear that when not charging, the primary circuit still consumes electricity because it is closed circuit. . The life of the primary circuit will be reduced as the components of this circuit must operate continuously if not removed from the electrical outlet.
Therefore, it can be confirmed that when plugging the charger into a power source without connecting to the phone, there is still loss (though very small) - called no-load loss.
2. Easy to lead risks
Leaving the phone charging station in the power outlet for a long time does not pull out will cause the charger to soon age, this issue has been warned by experts. That's not to mention electrical safety when we leave the house or take our eyes off children. Remember there are many pitiful accidents and accidents that come from chargers.
So if you have a habit of plugging in the charger constantly, change it from today. Carefully unplug the charger from the socket every time you finish using it, just avoid wasting electricity and ensure electrical safety for your family.
See more:
- Should I plug in the laptop charger continuously?
- The phone charger assistants do not need electricity
- The 3 steps to protect the phone charging cable are not damaged
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