BATTERY PACK FOR ELECTRIC VEHICLE

A battery pack for an electric vehicle includes a battery housing and a pair of rocker structures. The battery housing is configured to house power storage units. The pair of rocker structures are located at opposing sides of the battery housing and are configured to mount the battery pack to a vehicle body structure. Each rocker structure includes a variable width along a length of the rocker structure. The battery housing includes a region that corresponds to a widest portion of each rocker structure.