The ornamental design for a chargingstation, as shown and described.
FIG. 1 is a front perspective view of the design of a charging station;
FIG. 2 is a front elevation view of the charging station shown in FIG. 1;
FIG. 3 is a top plan view of the charging station shown in FIG. 1;
FIG. 4 is a left side elevation view of the charging station shown in FIG. 1;
FIG. 5 is a rear elevation view of the charging station shown in FIG. 1;
FIG. 6 is a right side elevation view of the charging station shown in FIG. 1; and,
FIG. 7 is a bottom plan view of the charging station shown in FIG. 1.
The broken lines shown on the front of the charging station are for the purpose of illustrating elements of the charging station that form no part of the claimed design. The broken lines shown on the top, bottom, rear, and sides of the charging station are for the purpose of illustrating environment, and form no part of the claimed design.