Stacked household energy storage battery box

The utility model discloses a stacked household energy storage battery box which comprises a base, an upper mounting box and a plurality of middle mounting boxes stacked between the base and the upper mounting box, a plurality of first guide columns are arranged on the upper side of a first supporting coaming arranged on the base; a plurality of second guide columns are arranged on the upper side of a second supporting coaming formed on the middle mounting box; a plurality of positioning holes into which the first guide posts or the second guide posts are inserted for positioning are formed in the first bottom plate; the diameter of one of the plurality of first guide columns is the same as that of the second guide column corresponding to one of the plurality of first guide columns, and is smaller than that of other first guide columns in the plurality of first guide columns; the inner diameter of one of the multiple positioning holes corresponding to one of the multiple first guide columns is smaller than th