A battery container which is to house a battery for a vehicle and which is to be attached between at least two frames disposed in the vehicle, includes: a bottom plate; a wall member which is raised from a circumference of the bottom plate and which includes a side wall member disposed along the frames; an outer frame which is attached to an outer side of the side wall member; and an inner frame which is attached to an inner side of the side wall member. The outer frame and the inner frame are extended in a substantially same direction along the side wall member, and the side wall member is clampingly held between the outer frame and the inner frame.