Portable power bank

Description

FIG. 1 is a front, left, and top perspective view of a portable power bank, showing my new design;

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

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

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

FIG. 8 is a bottom plan view thereof.

The broken lines depict portions of the portable power bank in which the design is embodied that form no part of the claimed design.

Claims

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