The Battery Conservation Paradox

The decision faced when prompted with a low battery on a device such as a phone or ipod you wish to use later. Brought on by the fear that by going through the energy-consuming act of turning off the device you may actually use the last of the battery you are trying to conserve.

As Jenny needed her phone to call a cab later but had minimal battery left, she was faced with the Battery Conservation Paradox. Did she dare attempt to turn off her phone lest it die completely?