Heat dissipation device of mobile power pack

The invention discloses a heat dissipation device of a mobile power pack, and relates to the technical field of mobile power supplies, the heat dissipation device comprises a mobile power pack body, an inner groove is formed in the center of the lower end part of the mobile power pack body, communicating grooves are symmetrically formed in the inner side wall of the inner groove, the two communicating grooves are communicated with the lower end part of the mobile power pack body, and a heat dissipation sheet is bonded in the inner groove; the adjusting mechanism comprises connecting frames, the two connecting frames are fixedly installed on the side walls of the two sides of the mobile power pack body correspondingly, fixing strips are fixedly installed at the ends, away from the mobile power pack body, of the two connecting frames correspondingly, and second dovetail grooves are symmetrically formed in the side walls of the sides, away from the mobile power pack body, of the two fixing strips correspondingly