Power supply device

Description

FIG. 1 is a front perspective view of a power supply device;

FIG. 2 is a back perspective view of the power supply device;

FIG. 3 is a front view of the power supply device;

FIG. 4 is a back view of the power supply device;

FIG. 5 is a right side view of the power supply device;

FIG. 6 is a left side view of the power supply device;

FIG. 7 is a top view of the power supply device; and,

FIG. 8 is a bottom view of the power supply device.

The dash-dash broken lines illustrate portions of the article that form no part of the claimed design.

Claims

The ornamental design for a power supply device as shown and described.