Both the weight and size of the electric motor are reduced, creating more space for other components such as an auxiliary battery source. (sciencedaily.com)
Instead of needing an external battery source or some kind of remote charger, the microchip gets enough charge from the microchip reader to be able to send out its information to the reader. (blog.pawedin.com)
ASUS also announced the Transformer will be able to run 9.6 hours on its own battery source but it will go up to a even more respectable 16 hours with the keyboard dock attached as the keypad comes with its own battery pack. (goodereader.com)