FIG. 1 is a front, top, right side perspective view of a power source module according to a first embodiment of our design;
FIG. 2 is a front, bottom, left side perspective view thereof;
FIG. 3 is a back, bottom, right side perspective view thereof;
FIG. 4 is an enlarged front elevational view thereof;
FIG. 5 is a back elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a right side elevational view thereof;
FIG. 9 is a left side elevational view thereof;
FIG. 10 is a front, top, right side perspective view of a power source module according to a second embodiment of our design;
FIG. 11 is a front, bottom, left side perspective view thereof;
FIG. 12 is a back, bottom, right side perspective view thereof;
FIG. 13 is a front elevational view thereof;
FIG. 14 is a back elevational view thereof;
FIG. 15 is a top plan view thereof;
FIG. 16 is a bottom plan view thereof;
FIG. 17 is a right side elevational view thereof; and,
FIG. 18 is a left side elevational view thereof.
The broken lines in the drawings represent unclaimed subject matter only and form no part of the claimed design.