Mobile power bank

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

FIG. 2 is a bottom rear 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; and,

FIG. 8 is a bottom view thereof.

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