Uninterruptible power supply

FIG. 1 is a front and left perspective view of an uninterruptible power supply showing the new design;

FIG. 2 is a rear and right perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a left side elevational view thereof;

FIG. 9 is a front elevational view thereof, in a first illuminated condition;

FIG. 10 is a front elevational view thereof, in a second illuminated condition;

FIG. 11 is a partial front elevational view thereof, having a graphical user interface;

FIG. 12 is a partial front elevational view thereof, having a second graphical user interface;

FIG. 13 is a partial front elevational view thereof, having a third graphical user interface;

FIG. 14 is a partial front elevational view thereof, having a fourth graphical user interface; and,

FIG. 15 is a partial front elevational view thereof, having a fifth graphical user interface.

The claimed design includes shaded elements in FIGS. 9 and 10 which represent illumination. The claimed design may transition between the views of FIGS. 1 , 9 , and 10 . The claimed design may transition between the views of FIGS. 11 and 12 . The claimed design may transition between the views of FIGS. 13 and 14 . The period with which one image transitions to another image forms no part of the claimed design. The broken lines shown represent the portions of the uninterruptible power supply that form no part of the claimed design.