The ornamental design for a chargingplate for electronicdevice.
FIG. 1 is a front perspective view of a charging plate for an electronic device showing my new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is a front perspective view thereof, shown in an environment of use; and,
FIG. 10 is a front perspective view thereof, shown in a second environment of use.
The broken lines illustrate portions of the charging plate for electronic device and environmental subject matter which form no part of the claimed design.