Power Supply Device

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 an enlarged view of the section labeled 3 in FIG. 2 ;

FIG. 4 is an enlarged view of the section labeled 4 in FIG. 2 ;

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

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

FIG. 7 is a right side view of the power supply device;

FIG. 8 is a left side view of the power supply device;

FIG. 9 is a top view of the power supply device; and,

FIG. 10 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. The dash-dot-dot broken lines illustrate boundaries of the portions shown enlarged in the drawings and form no part of the claimed design.