How To Choose The Correct Power Adapter After It Is Damaged?

In our daily life, when we use a laptop computer, there will always be some accidents, such as water in the power adapter, or damage to the charger due to other reasons, what should I do? The use of the charger is related to the service life of the computer battery, how to choose the correct laptop charger? In response to this question, today I will give you a detailed answer.
Many friends like to use counterfeit chargers when purchasing notebook power adapters. Although counterfeit chargers are cheap, their product design is often flawed. Hidden danger.
So how do we identify the authenticity of the power adapter? Generally speaking, you can check the information on the nameplate and label of the product, observe the place of origin, model, safety indicators, parameters, and 3C certification marks. If these information are arranged in an orderly manner and printed clearly, then you can confirm that the charger is genuine. After confirming that the product is genuine, how to choose the adapter?
First of all, the interface of the power adapter must be consistent with the interface of the computer. If the interface is inconsistent, the computer cannot use the product for charging. Secondly, you can check the output voltage and output current of the computer at the bottom of the computer, and then select a suitable charger. For example, the output voltage of the computer is 19V, and the output current is 4.74A. You can choose a charger with the same output voltage and output current or slightly larger. If the output voltage is too high, it will damage the computer power supply, and if it is too low, the computer will automatically restart.