The ornamental design for a batterypack, as shown and described.
FIG. 1 is a front view of a battery pack showing my new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The broken lines showing the remainder of the battery pack are included for the purpose of illustrating environmental structure and form no part of the claimed design.
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEES ADDRESS PREVIOUSLY RECORDED ON REEL 021262 FRAME 0928 ASSIGNOR S HEREBY CONFIRMS THE PLEASE REPLACE 29 MA WITH 39 MA