Battery Pack Support Device for Vehicle

A vehicle battery pack support device for a battery pack mounted below a pair of side rails extending in a vehicle longitudinal direction and has a pair of side faces each facing in the longitudinal direction, includes a battery bracket for housing the battery pack and a frame bracket for coupling the side rails and the battery bracket. The battery bracket includes a first bracket covering the side faces of the battery pack, at least a portion of a top face that is continuous with the side faces, and at least a portion of a bottom face that is continuous with the side faces, the first bracket having a dimension in the vehicle width direction which is equal to or larger than the long side of the battery pack and a second bracket covering an end portion of the first bracket in the width direction coupled to the frame bracket.