The ornamental design for a batterypack, as shown and described.
Cross reference is made to copending U.S. design patent application Ser. No. 29/745,458 entitled “Battery Pack” by Forsberg et al., which was filed on even date herewith.
FIG. 1 is a top-front-right side perspective view of a battery pack showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines shown in the drawings depict portions of the battery pack that form no part of the claimed design.