Asus TAICHI31 - Manual (Page 21)

Notebook PC E-Manual 1
USB 3.0 port with USB Charger+
This USB 3.0 port with the icon comes with the USB Charger+
feature. USB Charger+ allows you to quick-charge mobile
devices and can be used even while your Notebook PC is on
sleep, hibernate, or shutdown mode (on selected models).
Power (DC) input port
Insert the bundled power adapter into this port to charge the
battery pack and supply power to your Notebook PC.
WARNING! The adapter may become warm to hot while in
use. Do not cover the adapter and keep it away from your body
while it is connected to a power source.
IMPORTANT! Use only the bundled power adapter to charge
the battery pack and supply power to your Notebook PC.