Portable energy storage box

Description

FIG. 1 is a front, right and bottom perspective view of a portable energy storage box, showing my new design;

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

FIG. 8 is a top view thereof.

The broken lines shown in the drawings illustrate portions of the portable energy storage box that form no part of the claimed design.

Claims

The ornamental design for a portable energy storage box, as shown and described.