Battery pack for vacuum cleaner

FIG. 1 is a front perspective view of a battery pack for vacuum cleaner showing our new design;

FIG. 2 is a bottom 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; and,

FIG. 9 is a front perspective view thereof, shown in a state of use.

The broken lines in FIG. 3 depict portions of the battery pack for vacuum cleaner that form no part of the claimed design. The broken lines in FIG. 9 depict environmental structure that form no part of the claimed design.