SHUTTLE BOX PC ACCESSORY: VOL01 (WIDE VOLTAGE RANGE) Shuttle offers a wide range of optional accessory products for its box PCs and panel PCs. The DC input for the power supply of the box PC/panel PC normally supports 19 V input voltage and a matching 90 W power supply unit is included. To use other power sources, the input voltage range can be expanded to 9 - 36 V DC by adding the optional VOL01 voltage regulator module. Please note! Only suitably trained persons may open the barebone and install optional components.