Patent ID: 8616319

Claim:
A mounting structure for a vehicle battery box comprising: a battery box that houses a battery; left and right rear side frames disposed at a rear portion of a vehicle; a rear deformation zone that is set at the left and right rear side frames and deformed by a predetermined impact force applied from rear of the vehicle; a first cross member that is installed at a substantially front end of the rear deformation zone between the left and right rear side frames and supports the battery box; high-voltage equipment that is disposed ahead of a position of the first cross member; and a connecting member that is electrically connected to the high-voltage equipment and the battery box, and is cut by a change in a relative position of the battery box to the high-voltage equipment, wherein: the connecting member is provided with a negative-side connecting wire that is connected to a negative electrode of the battery, a positive-side connecting wire that is connected to a positive electrode of the battery, a power supply wire for feeding electricity to an excitation circuit that makes a relay contact interposed on at least one of the negative-side connecting wire and the positive-side connecting wire in a connection state by feeding the electricity, and the negative-side connecting wire and the positive-side connecting wire are formed with a flexible connecting wire, while the power supply wire is formed with an inflexible wire.