The ornamental design for a uninterruptiblepowersupply with changing elongated light emitters, as shown and described.
FIG. 1 is a front perspective view of an uninterruptible power supply with changing elongated light emitters showing our design;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a side view thereof;
FIG. 5 is an opposing side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines shown represent the portions of the uninterruptible power supply with changing elongated light emitters that form no part of the claimed design.