Battery Pack

FIG. 1 is a top, front, left perspective view of a battery pack according to the present invention; FIG. 2 is a bottom, front, right perspective view thereof; FIG. 3 is a top, rear, left perspective view thereof; FIG. 4 is a bottom, rear, right perspective view thereof; FIG. 5 is a rear elevation view thereof; FIG. 6 is front elevation view thereof; FIG. 7 is a right side elevation view thereof; FIG. 8 is a left side elevation view thereof; FIG. 9 is a top plan view thereof; and, FIG. 10 is a bottom view thereof. The broken lines illustrate portions of the battery pack that form no part of the claimed design.