The ornamental design for a chargingstation, as shown and described.
FIG. 1 is a top front perspective view of a charging station showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a top elevation view thereof;
FIG. 5 is a bottom elevation view thereof; and,
FIG. 6 is a right elevation view thereof, with the left elevation view being a mirror image thereof.
The broken lines shown in the drawings illustrate portions of the charging station that form no part of the claimed design.
The charging station is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.