Ultralow-temperature lithium battery pack for electric automobile

The utility model discloses an ultralow-temperature lithium battery pack for an electric automobile, relates to the field of batteries for electric automobiles, and aims to solve the problems that inthe prior art, in order to enable the battery pack to have a better heat dissipation function, safety accidents of the whole automobile cannot be caused. A cooling pipe is arranged on the outer surface of one side of the battery pack outer shell; one end of the cooling pipe is connected with a cooling pool; a drainage machine is arranged on one side of the cooling pool; a cooling liquid injectionpipe is arranged on the outer surface of the upper end of the cooling pool; an upper cover is mounted at the upper end of the battery pack outer shell; a fixing bolt is arranged on the outer surface of the upper end of the upper cover; the number of the fixing bolts is four, a positive electrode connector is arranged on the outer surface of the upper end of the upper cover, four first connecting nuts are installed outside