Portable power supply

Description

FIG. 1 is a front, bottom, right perspective view of a portable power supply, showing the claimed design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

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

FIG. 8 is a rear, top, left perspective view thereof.

The dashed broken lines in the drawing depict 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.