Power Bank

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

FIG. 2 is a rear, left-side, 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 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 perspective view of a power bank in an open state as seen from the front, top, and right side.

The broken lines in the drawings illustrate the portions of the power bank, which form no part of the claimed design.