Portable power supply

Description

FIG. 1 is a front, top and right side perspective view of a portable power supply, showing my new design;

FIG. 2 is a rear, bottom and left side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the drawings illustrate portions of the portable power supply that form no part of the claimed design.

Claims

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