Epp foam based UAV battery enclosure

An unmanned aerial vehicle, comprising:

• a thermal management device for a battery pack of the unmanned aerial vehicle, the thermal management device comprising:
• an insulating enclosure for enclosing the battery pack of the unmanned aerial vehicle, wherein the insulating enclosure is made of a material comprising at least an EPP foam;
• and
• wherein the insulating enclosure is adapted for retaining heat of the insulating enclosure for heating the battery pack when the unmanned aerial vehicle flies in a sub-zero ambience temperature;
• wherein the insulating enclosure comprises a case that is open at one side for accommodating the battery pack, and a cap to sit on the open side of the case for closing the case and for covering the battery entirely;
• and
• wherein the case of the insulating enclosure incorporates a plurality of structural carbon tubes at the open side extending outwards, and the cap incorporates a plurality of holes at the corresponding positions to take in the plurality of structural carbon tubes when the cap is fitted on the open side of the case.