BATTERY CASE

A battery case includes a floor panel of a vehicle, which forms a floor of a body of the vehicle and at the same time, forms an upper panel of a battery case, a side sill positioned at opposite sides of the floor panel, extending in a longitudinal direction of the vehicle, and extending downwardly from the floor panel in a height direction, and front and rear barriers extending downwardly from a front portion and a rear portion of the floor panel connected to the side sill to form a sidewall portion of the battery case together with the side sill by being connected to the side sill.