Portable energy storage device

Description

FIG. 1 is a front perspective view of a portable energy storage device shown with a front cover embodying the new design;

FIG. 2 is a front view of the design shown in FIG. 1;

FIG. 3 is a rear view of the design shown in FIG. 1, shown with a rear cover;

FIG. 4 is a front perspective view of the design shown in FIG. 1, shown without the front cover;

FIG. 5 a front view of the design shown in FIG. 1, shown without the front cover;

FIG. 6 is a rear view of the design shown in FIG. 1, shown without the rear cover; and

FIG. 7 is a left side view of the design shown in FIG. 1.

FIG. 8 is a right side view of the design shown in FIG. 1;

FIG. 9 is a top view of the design shown in FIG. 1; and,

FIG. 10 is a bottom view of the design shown in FIG. 1.

The broken lines shown represent portions of the portable energy storage device that form no part of the claimed design.

Claims

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