Mobile Power Bank

FIG. 1 is a front and bottom perspective view of a mobile power bank; FIG. 2 is a rear and top perspective view thereof; FIG. 3 is a front elevation view thereof; FIG. 4 is a rear elevation view thereof; FIG. 5 is a left side elevation view thereof; FIG. 6 is a right side elevation view thereof; FIG. 7 is a top plan view thereof; FIG. 8 is a bottom plan view thereof; FIG. 9 is a front and bottom perspective view of the mobile power bank in an alternate configuration; and, FIG. 10 is a rear and top perspective view of the mobile power bank in another alternate configuration. The broken lines in the figures illustrate portions of the mobile power bank that form no part of the claimed design.