FIG. 1 is a front elevational view of a first embodiment of a battery of the design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a first perspective view thereof; and

FIG. 8 is a second perspective view thereof;

FIG. 9 is a front elevational view of a second embodiment of a battery of the design;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is a bottom plan view thereof;

FIG. 13 is a right side elevational view thereof;

FIG. 14 is a left side elevational view thereof;

FIG. 15 is a first perspective view thereof; and

FIG. 16 is a second perspective view thereof;

FIG. 17 is a front elevational view of a third embodiment of a battery of the design;

FIG. 18 is a rear elevational view thereof;

FIG. 19 is a top plan view thereof;

FIG. 20 is a bottom plan view thereof;

FIG. 21 is a right side elevational view thereof;

FIG. 22 is a left side elevational view thereof;

FIG. 23 is a first perspective view thereof; and

FIG. 24 is a second perspective view thereof;

FIG. 25 is a front elevational view of a fourth embodiment of a battery of the design;

FIG. 26 is a rear elevational view thereof;

FIG. 27 is a top plan view thereof;

FIG. 28 is a bottom plan view thereof;

FIG. 29 is a right side elevational view thereof;

FIG. 30 is a left side elevational view thereof;

FIG. 31 is a first perspective view thereof; and

FIG. 32 is a second perspective view thereof;

FIG. 33 is a front elevational view of a fifth embodiment of a battery of the design;

FIG. 34 is a rear elevational view thereof;

FIG. 35 is a top plan view thereof;

FIG. 36 is a bottom plan view thereof;

FIG. 37 is a right side elevational view thereof;

FIG. 38 is a left side elevational view thereof;

FIG. 39 is a first perspective view thereof; and

FIG. 40 is a second perspective view thereof;

FIG. 41 is a front elevational view of a sixth embodiment of a battery of the design;

FIG. 42 is a rear elevational view thereof;

FIG. 43 is a top plan view thereof;

FIG. 44 is a bottom plan view thereof;

FIG. 45 is a right side elevational view thereof;

FIG. 46 is a left side elevational view thereof;

FIG. 47 is a first perspective view thereof; and

FIG. 48 is a second perspective view thereof;

FIG. 49 is a front elevational view of a seventh embodiment of a battery of the design;

FIG. 50 is a rear elevational view thereof;

FIG. 51 is a top plan view thereof;

FIG. 52 is a bottom plan view thereof;

FIG. 53 is a right side elevational view thereof;

FIG. 54 is a left side elevational view thereof;

FIG. 55 is a first perspective view thereof; and,

FIG. 56 is a second perspective view thereof.

The ornamental design which is claimed is shown in solid lines in the drawings. Any broken lines in the drawings are for illustrative purpose only and form no part of the claimed design. (Said broken lines appear in FIGS. 3–5, 7–8; FIGS. 11–13, 15–16; FIGS. 19–21, 23–24; FIGS. 27–29, 31–32; FIGS. 35–37, 39–40; 43–45, 47–48; FIGS. 51–53, 55–56.)