The ornamental design for a hand-held, rechargeable, battery powered diaphragm pump, as shown and described.
FIG. 1 is a top perspective view of a hand-held, rechargeable, battery powered diaphragm pump showing our new design;
FIG. 2 is a bottom perspective view;
FIG. 3 is a side view;
FIG. 4 is an opposite side view of FIG. 3;
FIG. 5 is a front view;
FIG. 6 is a back view;
FIG. 7 is a top view; and,
FIG. 8 is a bottom view.
The broken line showing of screws and associated apertures are included for the purpose of illustrating environmental matter and forms no part of the claimed design.