Power adapter adapter tag interpretation

Issue Time:2019-05-10
There are usually several items that need to be noted on the label of the power adapter (hereafter referred to as the adapter).

The first is the model of the adapter. For example, the model of this adapter is XVE-120100. It tells us a few information, that is, its manufacturer, wattage, etc. The beginning of XVE is generally ##公司码号, 120100 is to explain this Adapter is 12W, 050200 is 10W;

The second is the INPUT (input) of the adapter. Generally used in China is 100-240V~50-60Hz, which means that the adapter can work normally under the voltage of 100V-240V;

The third is the OUTPUT (output) of the adapter. The two numbers can quickly calculate the wattage of the adapter. For example, the adapter, voltage 12V* current 1A=12W (power), indicating that the power supply is a 12W adapter.

Most notebook power adapters are suitable for 100 to 240V AC (50/60Hz). Basically, most laptops have external power supplies and are connected to the main unit with a power cord. This reduces the size and weight of the mainframe. Only a very small number of models have built-in power in the mainframe.

There is a nameplate on the power adapter, which indicates the power, input and output voltage and current quantity, etc., pay special attention to the range of input voltage. This is the so-called "travel power adapter", if the country has a voltage of only 110V. This feature is very useful, some parallel laptops are only sold in the country of origin, without this compatible voltage design, even a single input voltage of 110V, will be burned when plugged in China's 220V mains voltage.

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