source:power adapter Popular:adapter release time:2021-07-20 10:58:03 Article author:sznbone
Nowadays, when everyone basically needs a smart product, there are more and more power adapters for supporting facilities in everyone's home. Take a laptop as an example. Sometimes the laptop is destroyed or upgraded, and the power adapter becomes useless. Some people choose to throw it away, and some people choose to use it with other equipment of the same type. But in fact, the same type of power adapter is not necessarily universal. This article will discuss three common reasons that cause laptop power adapters to be non-universal. Development summary.
The interface is different
The interfaces of most well-known brands of laptop power adapters are different, which means that the power adapters of other well-known brands cannot be plugged into your laptop for power supply system. The interface is not the same as relative safety, because at least the power adapter with inconsistent current or voltage will not be inserted to power the notebook computer, which will cause the destruction of the configuration hardware.
The voltage is different
Different well-known brand notebook computer power adapter voltages are not the same. For example, under normal conditions, IBM is 16V, Dell is 20V, Hp is 18.5V, Sony is 19.5V and so on. It is not difficult to see that even if the power adapter interfaces are the same, it is not possible to use different well-known brands of laptop power adapters to carry out the power supply system.
The current is different
Different well-known brands of notebook computer power adapter current is not the same, for example: under normal conditions IBM is 4.5A, Dell is 3.34A, Hp is 2.7A, Sony is 4.1A, etc.
In fact, the voltage and current of the same well-known brand laptop power adapter are also the same. Therefore, even if the power adapter is used between the same well-known brand notebook computer, the voltage and current specifications must be determined.
This is the more critical interface. If the subterfuge is wrong, there will undoubtedly be various problems. The second is the voltage. If the voltage is similar to within 5%, it should all be universal. In addition, it means current. Large current can be used in a small current machine, but the time is not suitable for too long. In the end, it is the problem of interface adaptation, and exchange is undoubtedly impossible.
It can be seen that there are three key reasons why the notebook computer power adapter cannot be universally used. There are three reasons: interface, voltage, and current. I firmly believe that after reading the article, everyone can have a better grasp of the problem of the non-university of laptop power adapters.
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