FIG. 1 is a front perspective view of a first embodiment of a battery pack showing our new design;
FIG. 2 is a rear elevational view of the first embodiment thereof;
FIG. 3 is a front elevational view of the first embodiment thereof;
FIG. 4 is a left side view of the first embodiment thereof;
FIG. 5 is a right side view of the first embodiment thereof;
FIG. 6 is a top plan view of the first embodiment thereof;
FIG. 7 is a bottom plan view of the first embodiment thereof;
FIG. 8 is a front perspective view of a second embodiment of a battery pack showing our new design;
FIG. 9 is a front elevational view of the second embodiment thereof;
FIG. 10 is a rear elevational view of the second embodiment thereof;
FIG. 11 is a right side view of the second embodiment thereof;
FIG. 12 is a left side view of the second embodiment thereof;
FIG. 13 is a top plan view of the second embodiment thereof; and,
FIG. 14 is a bottom plan view of the second embodiment thereof.
The broken lines shown in the drawings illustrate portions of the battery pack which form no part of the claimed design.