The ornamental design for a chargingholder for vacuumcleaner, as shown and described.
1. Charging holder for vacuum cleaner
1.1 is a side perspective view;
1.2 is a front view;
1.3 is a rear view;
1.4 is a side view;
1.5 is a side view;
1.6 is a top view;
1.7 is a bottom view; and
1.8 is another perspective view shown in an environment.
The broken line showing in figures 1.1-1.3 and 1.7 is included for the purpose of illustrating portions of the charging holder for vacuum cleaner and forms no part of the claimed design. The broken line showing in figure 1.8 is included for the purpose of illustrating environment and forms no part of the claimed design.