User Manual
Page 26
... connected USB device even when the Notebook PC is not connected. 6 USB Port (3.0, on selected models / 2.0) 7 USB Port (3.0, on selecte1d models) 1 1 1 Battery Pack The battery pack is automatically charged when the Notebook PC is connected to an AC power source and maintains power to the Notebook PC when AC power is powered off...
... connected USB device even when the Notebook PC is not connected. 6 USB Port (3.0, on selected models / 2.0) 7 USB Port (3.0, on selecte1d models) 1 1 1 Battery Pack The battery pack is automatically charged when the Notebook PC is connected to an AC power source and maintains power to the Notebook PC when AC power is powered off...