The ornamental design for a rechargeablebattery, as shown and described.
FIG. 1 is a perspective view of a rechargeable battery of the present design;
FIG. 2 is a front elevational view of FIG. 1;
FIG. 3 is a rear elevational view of FIG. 1;
FIG. 4 is a left side elevational view of FIG. 2,
FIG. 5 is a right side elevational of FIG. 2;
FIG. 6 is a top plan view of FIG. 2;
FIG. 7 is a bottom plan view of FIG. 2; and,
FIG. 8 is a perspective view of a rechargeable battery of the present design with the associated camera and flash unit shown in dashed lines.
The broken lines shown in the drawings are included for the purpose of illustrating unclaimed portions of the rechargeable battery and form no part of the claimed design.