Energy storage battery box

The utility model relates to the technical field of energy storage equipment, in particular to an energy storage battery box which comprises a box body, the box body comprises a box body body, an upper cover is arranged at the upper end of the box body body, a groove is formed in the box body body, the groove is divided into two areas by a cross beam, the areas are used for placing a plurality of battery modules, and the battery modules are arranged in the two areas. The battery box comprises a box body, a battery module is arranged in the box body, L-shaped fixing plates are arranged at the two ends of the battery module, and a plurality of heat dissipation holes are formed in the front end and the rear end of the box body and are U-shaped. Battery cells in the battery module are placed on the side face, so that the overall height of the whole battery box is reduced, and the battery box can meet actual use requirements; and heat in the box body is taken out of the box body in a convection mode through the he