Battery status for the Cintiq Companion 2 is shown in the Wacom Desktop Center and on the pen display.
To charge the Cintiq in Mobile Mode, connect the Cintiq to a power source using the provided power cable. If the battery charge falls to a low level, the battery status icon and the battery status LED will turn red. Completely discharging the battery will cause the Cintiq to shut down.
If you have a problem with battery operation and are not able to resolve it, contact Wacom Support.
To protect and maximize the life of your battery:
Important: Do not attempt to access, remove, repair, or alter the Cintiq battery. If you experience a problem with the battery, contact Wacom Support for your region.