US Patent 11639198 Vehicle lower structure

A vehicle lower structure includes a battery pack arranged under a floor panel and having: first and second battery units that are separately arranged from each other on both sides in the vehicle width direction of the propeller shaft; and a battery cover. The battery cover has a first battery accommodation section, a second battery accommodation section, and a coupling section that couples the first and second battery accommodation section and extends in the vehicle width direction. The coupling section includes a fragile section between the first and second battery accommodation sections in the vehicle width direction.