Power Supply

FIG. 1 is a front, right and top perspective view of a power supply, showing our new design. FIG. 2 is a rear, left and bottom perspective view thereof. FIG. 3 is a front elevation view thereof. FIG. 4 is a rear elevation view thereof. FIG. 5 is a left side elevation view thereof. FIG. 6 is a right side elevation view thereof. FIG. 7 is a top plan view thereof. FIG. 8 is a bottom plan view thereof. FIG. 9 is an enlarged view of detail 9 in FIG. 1 ; and, FIG. 10 is another front, right and top perspective view of the power supply in an environment of use. The dashed broken lines depict portions of the power supply that form no part of the claimed design. The dot-dash broken lines in FIGS. 1 and 9 depict the boundaries of the enlargements and form no part of the claimed design.