Power Bank

FIG. 1 is a first perspective view of a power bank showing my new design;

FIG. 2 is a second perspective view of FIG. 1 , viewed in another aspect;

FIG. 3 is a front view of the power bank;

FIG. 4 is a rear view of the power bank;

FIG. 5 is a left view of the power bank;

FIG. 6 is a right view of the power bank;

FIG. 7 is a top view of the power bank;

FIG. 8 is a bottom view of the power bank; and,

FIG. 9 is a perspective reference view thereof in an environment in which it may be used.

The broken lines shown in the drawings are for the purpose of illustrating portions of the power bank that from no part of the claimed design.