Buy Laptop Chargers Correctly

With all the certifications UL, ETL, FCC, CE, CB, GS, CCC, CQC, PSE, KC, KCC, SAA, RCM, etc.

In our daily life, we are using the laptop, there will always be some accidents, such as the power adapter into the water, or because of other reasons led to the charger is damaged how to do? The use of the charger is related to the life of the computer battery, how to correctly buy laptop chargers?

Many friends in the purchase of laptop power adapter, like to use cottage chargers, cottage chargers, although the price is cheap, but the product design is often defective, so in addition to not be able to work stably, but also easy to burn, there is a great security risk.

So how do we recognize the authenticity of the power adapter? Generally speaking, you can check the product nameplate, labeling information above, observe the origin, model, safety indicators, parameters, 3C certification mark, if the information is arranged in an orderly manner, clear printing, then you can confirm that the charger is genuine. Determine the product is genuine, how to choose the adapter?

First of all, the interface of the power adapter should be the same as the computer's interface, the interface is not consistent, the computer is unable to 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 the appropriate charger, such as the computer output voltage is 19V, the output current is 4.74A, you can choose the output voltage, output current is the same or a little greater than the charger. If the output voltage is too high, it will damage the power supply of the computer, and if it is too low, it will make the computer restart automatically.