We can use the USB cable to the phone, tablet, media player, as well as various other device charging, with the exception of the notebook is not enough. One day, however, you may also be via a USB cable to charge the laptop, because the USB Implementers Forum (USB-IF) has been used to pass a new USB current standard supports transfer up to 100W of power hp 432974-001 Battery through the USB cable. USB Implementers Forum is a non-profit development and promotion of USB technology organizations, will provide a standard transmission interface specifications. In other words, the next to go out will never be a bunch of power supply equipment upsets headache, only need a USB cable, laptops, cell phones can all handle that.
Laptop magazine to follow the people in the USB-IF at CES last week, and was fortunate to see a modified laptop, support for the latest USB power transmission system.
The coolest features of this notebook is the power hp EliteBook 8540w Battery supply at the same time through a cable to transfer data, so only need to notebook connected to the USB interface on the display, it can be powered by the display, and also be able to display pass image and video data.
Although the notebook manufacturers will likely continue to provide a long period of time dedicated to the power of the notebook, but I believe that one day you will only get a power hp ProBook 4520s Battery block and a USB cable, rather than the power block and one only for your own laptop brand the exclusive cable head. Day, you can use the same power block and notebook to charge your cell phone, tablet and other devices.
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