Abstract: A portable urine storage device is provided. The urine storage device for maintaining urine at selectable and controllable temperatures during transportation. The fluid storage device nests a container in a heating element. A temperature probe is in the container and electrically coupled to a programmable thermostat powering the heating element. The urine storage device enables the current temperature and a desired temperature to be represented on a user interface along a housing of the container. A release switch valve enables the release of the urine from the container in a manner that simulates human urination in form and temperature.