Immersed energy storage battery box and battery cabinet thereof

The invention discloses an immersed energy storage battery box and a battery cabinet thereof, and relates to the technical field of energy storage batteries, the immersed energy storage battery box comprises a collector plate, an immersed contact area, a first connecting area and a second connecting area are arranged in the collector plate, the first connecting area is provided with a cooling liquid inlet pipe, an auxiliary cooling liquid inlet pipe and an air cooling air inlet pipe, and the second connecting area is provided with an auxiliary cooling liquid outlet pipe. The second connecting area is provided with a cooling liquid outlet pipe, an auxiliary cooling liquid outlet pipe and an air cooling air outlet pipe. The cooling liquid which fully absorbs heat on the upper layer and the cooling liquid which does not fully absorb heat on the lower layer are mixed through drainage of the flow equalizing openings in the crossed directions; the working temperature of the battery is stabilized by assisting temper