No, to power your Wacom Cintiq Pro, please use the power adapter included with your device only. Use of any other Power source is NOT recommended, outside the scope of the Wacom Limited Warranty and will be at your own risk.
A replacement or additional Wacom Cintiq Pro Power Adapter can be purchased from Wacom. For more information, please visit the Wacom Cintiq Pro product page on wacom.com.