This invention is a portable collapsible field litter comprising: a frame for supporting a tent and having a plurality of frame sections hingeably attached wherein the frame and the tent have a collapsed position for storage and transportation and an extended position for supporting an individual a cavity defined internal to one of the frame sections for receiving a power cell within the frame section a medical device connector attached to the frame and in electrical communications with the power cell through a plurality of contacts disposed in the cavity providing an electrical connection between the power cell and the medical device connector a heated wrap electrically connected to the medical device connector so that the heated wrap is heated using power delivered from the power cell, the heated wrap is disposed around the individual supported by the tent and, a heat loss fabric disposed around the individual and the heated wrap to reduce heat radiating away from the individual to assist in preventing hypothermia.
