Battery management system for emergency battery of unmanned aerial vehicle

The utility model discloses a battery management system for the emergency battery of unmanned aerial vehicle, including rotating piece, unit battery, also including battery box, shelf, heating plate, on the both sides plate of said battery box is provided with a plurality of first through slot, the top of said battery box is provided with second through slot, the top of second through slot is connected with fan through bolt, and the heating plate is connected with the fan through bolt. A vertically arranged partition plate is integrally formed in the center of the interior of the battery box. According to the utility model, when the temperature of the unit battery is relatively high, the heat dissipation function of the unit battery can be realized by starting the fan, and when the unit battery needs to be heated during charging of the unit battery, the air flow generated by the fan firstly passes through the heating plate and then passes through the air flow channel by starting the fan and electrifying the h