Power Bank

FIG. 1 is a top, front, right side perspective view of a power bank;

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

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a partial enlarged view taken from FIG. 1 .

The broken lines in the figures depict portions of the power bank that form no part of the claimed design.