Portable power bank

Description

FIG. 1 is a front perspective view of a portable power bank showing our new design;

FIG. 2 is a rear perspective thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

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

FIG. 8 is a bottom plan view thereof.

The broken lines in the Figures are for the purpose of illustrating portions of the portable power bank that form no part of the claimed design.

Claims

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