We claim the ornamental design for a battery, as shown and described.
FIG. 1 is a perspective view of a battery in accordance with the new design;
FIG. 2 is a right side elevation view thereof;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom, front perspective view thereof.
FIG. 9 is a bottom, right side perspective view thereof; and,
FIG. 10 is a top, rear perspective view thereof.
The broken lines adjacent shaded areas illustrate the bounds of the claimed design and form no part of the claimed design. All other broken lines illustrate portions of the battery that form no part of the claimed design.