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Do you know why the power adapter cannot be universal?

Introduction :Do you know why the power adapter cannot be universal? At present, almost everyone has a smart device, and more and more power adapters are matched with it in the home. Take laptops as an example, some people will choose to use their power adapters for other types of devices. But in fact, the same type of power adapter is not necessarily universal. Now, please follow us to analyze and summarize the 3 common reasons as follow why notebook power adapters are not universal.

Do you know why the power adapter cannot be universal?

Introduction :Do you know why the power adapter cannot be universal? At present, almost everyone has a smart device, and more and more power adapters are matched with it in the home. Take laptops as an example, some people will choose to use their power adapters for other types of devices. But in fact, the same type of power adapter is not necessarily universal. Now, please follow us to analyze and summarize the 3 common reasons as follow why notebook power adapters are not universal.

  • Categories:Industry News
  • Author:SOY-Claire
  • Origin:www.szsoy.com
  • Time of issue:2020-09-10
  • Views:716

Do you know why the power adapter cannot be universal?


At present, almost everyone has a smart device, and more and more power adapters are matched with it in the home. Take laptops as an example, some people will choose to use their power adapters for other types of devices. But in fact, the same type of power adapter is not necessarily universal. Now, please follow us to analyze and summarize the 3 common reasons as follow why notebook power adapters are not universal.

1. Different interfaces
In general, the interface of different brands of laptop power supply is different. This means that a different brand of power adapter cannot be plugged into the target laptop, let alone power it. In fact, the interface is relatively safe, at least not because the user casually inserts a power adapter with inconsistent current or voltage, which will cause damage to the laptop hardware.

2. Different voltage
Different brands of notebook computers have different power adapter voltages. For example: In general, IBM is 16V, Dell is 20V, HP is 18.5V, Sony is 19.5V and so on. Therefore, even if it is the same power adapter interface, you cannot use the power adapters of different brands of notebook computers to charge.

3. Different current

Similarly, the current of notebook power adapters of different brands is also different. For example: In general, IBM's is 4.5A, Dell's is 3.34A, HP's is 2.7A, Sony's is 4.1A, and so on.

Even computers of the same brand may have different output currents and voltages from their power adapters. Therefore, before using other power supplies instead of the original power supply, be sure to check whether the output voltage and current specifications of the power adapter are consistent. Otherwise, there may be dangerous.

The above are the three reasons mentioned in this article that the power adapters of notebook computers are not universal. I believe everyone here has a certain understanding of this issue. I hope this article can solve the practical problems of your daily life.

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