A housing assembly for electrical storage means for a drive of an electrically powered motor vehicle comprises a tray arrangement, into which electrical storage means can be inserted, and a cover arrangement, which can be placed on the tray arrangement and can be releasably connected thereto, wherein the tray arrangement and/or the cover arrangement has a first formed part and a second formed part, each having a base and side walls; said first formed part and said second formed part being arranged adjacent to each other and joined together in a longitudinally extending joining region; said first formed part and said second formed part each being made of flexibly rolled steel sheet so as to have a variable sheet thickness in the longitudinal direction of the respective formed part.