Portable Power Supply

The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee. 10 . 1 is a left side view of a portable power supply, the right side view being a mirror image; 10 . 2 is a front view thereof; 10 . 3 is a rear view thereof; 10 . 4 is a top view thereof; 10 . 5 is a bottom view thereof; 10 . 6 is a perspective view thereof. 11 . 1 is a front view of another portable power supply; 11 . 2 is a rear view thereof; 11 . 3 is a left side view thereof, the right side view being a mirror image; 11 . 4 is a top view thereof; 11 . 5 is a bottom view thereof; 11 . 6 is a perspective view thereof; 11 . 7 is another perspective view thereof. In reproduction 10 . 3 , the portions of the portable power supply shaded in a transparent color form no part of the claimed design. In reproductions 11 . 2 and 11 . 7 , the broken lines and all portions within illustrate portions of the article that form no part of the claimed design.