Now, there is a better solution from Toshiba to be able to continue the device charging even the laptop is put into hibernate or shut down mode.
This is not always practical as you will end up drawing more current from both devices which is not in need. However, in order to keep up the power of the devices, there is a need to maintain the laptop in power on condition, regardless if you need that to be on or not. Besides, it is useful for charging any portable device by simply sourcing current from the motherboard for continuous operation. USB 2.0 port on PC or laptop can be used for data synchronization and files transfer.
