subject: Laptop AC Adapter Got Worldwild Output Voltage [print this page] As laptops become an essential part of our life in recent years, we are more and more familiar with the AC adapter. As this HP Dv2020ea AC adapter, it can transport the power for the laptop. That's all I know about the adapter. I can use my laptop while I plug the AC adapter to the laptop and the other side to the socket.
Power adapter is small portable electronic equipment, also electrical and electronic power conversion equipment. It usually consists of the shell, power transformer and rectifier circuit. According to its output, it can be divided into AC and DC; as to the connection, some are wall plugged, others are desktop plugged. Generally, the laptop AC adapter is wall plugged. Surely this Dv2020ea AC adapter is wall plugged. Actually, power adapter are widely used in the phone machine, game player machine, language repeater, music player, cellular phone and other devices, besides laptop.
For most of the laptops, its ac adapter can automatically detect 100 ~ 240V AC (50/60Hz).every laptop has an external power supplier, with a line and host connectivity, which would reduce the size and weight of the host. Only a very small number of models install inside the machine.
As to the laptop AC adapter, there is a nameplate marked on the surface of the adapter. You can see the input and output voltage, electrical current, the producer and other information. The most important number is the range of the voltage that you should be cautious. Some prefer to buy laptop abroad. In certain country, the standard voltage is 100V. That is a disaster if you use it at domestic socket. That might burn the voltage plug. So when you travel abroad with your laptop, check the output voltage of your laptop. Just as this Dv2020ea AC adapter, its output is 110V-240V. So it can be used worldwide. This is due to the standard regulation of the products. In other way, it's the globalization bring us the convenience.
Now you have a better understanding of the power adapter. Post your understanding of this article below and share with more people.
