At a time when almost everyone has a smart device, more and more power adapters are used in people's homes. Take a laptop as an example. Sometimes the laptop is damaged or replaced, and the power adapter becomes a useless display. Some people choose to throw it away, and some people choose to use it with other devices of the same type, but in fact, the same type of power adapter is not necessarily universal. Summarize.
different interface
Most laptop power adapter brands have different connectors, which means that other brands of power adapters cannot be plugged into your laptop to supply power at all. Different interfaces are relatively safe because at least you won't plug in a power adapter that doesn't match the current or voltage to power the laptop and cause damage to the computer hardware.
different voltage
Different brands of laptop power adapters have different voltages, for example: under normal circumstances, IBM is 16V, Dell is 20V, Hp is 18.5V, Sony is 19.5V, etc. It can be seen that even if the power adapter interface is the same, different brands of laptop power adapters cannot be used for power supply.
different current
Different brands of notebook computer power adapter current are not the same, for example: under normal circumstances IBM is 4.5A, Dell is 3.34A, Hp is 2.7A, Sony is 4.1A and so on.
In fact, the voltage and current of the laptop power adapter of the same brand are not the same. Therefore, even if the power adapter is used between laptops of the same brand, it is necessary to confirm the voltage and current specifications.
Among them, the interface is the most important. If the interface is wrong, there will be various problems. The second is the voltage, as long as the voltage is close to within 5%, it should be universal. In addition, it is the current. Large current can be used on low current machines, but the time should not be too long. Finally, there is the issue of interface compatibility, and interchange is definitely not possible.
It can be seen that the main reasons for the incompatibility of the laptop power adapter are three reasons: interface, voltage, and current. I believe that after reading this article, you will be able to have a better understanding of the problem of incompatibility of notebook power adapters. I hope this article can help you solve practical problems encountered in life.
