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A structure for installing an automotive battery which would protect the battery installed in a rear part of a vehicle body is provided. In a structure for installing an automotive battery in which the battery is mounted on a battery mounting base provided on a floor in a rear part of a vehicle body

A structure for installing an automotive battery which would protect the battery installed in a rear part of a vehicle body is provided. In a structure for installing an automotive battery in which the battery is mounted on a battery mounting base provided on a floor in a rear part of a vehicle body, a rear suspension cross member extends along the direction of vehicle width beneath the floor, and the battery mounting base is located within an area of the floor, the area being a zone of width L in the longitudinal direction of the vehicle body corresponding to the location of the rear suspension cross member in plan view.

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1. A structure for installing an automotive battery in which the battery is mounted on a battery mounting base provided on a floor in a rear part of a vehicle body, wherein: a rear suspension cross member extends along the direction of vehicle width beneath the floor; and wherein, the battery m

1. A structure for installing an automotive battery in which the battery is mounted on a battery mounting base provided on a floor in a rear part of a vehicle body, wherein: a rear suspension cross member extends along the direction of vehicle width beneath the floor; and wherein, the battery mounting base includes; a battery mounting surface on which the battery is mounted; a front surface part extending downward from a front edge of the battery mounting surface and connected to the floor in within one area of the floor corresponding to the location of the rear suspension cross member in plan view; a rear surface part extending downward from a rear edge of the battery mounting surface toward a lower end of the rear surface part connected to the floor at a rear side of the rear suspension cross member in plan view; and a first physically weak portion formed in the front surface part. 2. The structure for installing an automotive battery as recited in claim 1, wherein the structure comprises a mounting base plate provided on the battery mounting surface for mounting the battery, and the mounting base plate provided on the battery mounting surface has a bottom surface whose width in a longitudinal direction of the vehicle body is larger than the width of the battery mounting surface measured in the longitudinal direction of the vehicle body. 3. The structure for installing the automotive battery as recited in claim 1, wherein the structure comprises a mounting base plate provided on the battery mounting surface, and the mounting base plate having a bottom portion on which the battery is mounted and a surrounding wall which extends upward from the periphery of the bottom portion and surrounds the outer periphery of the battery. 4. The structure for installing the automotive battery as recited in claim 3, wherein the surrounding wall has an electrolyte storage formed by outwardly protruding one part of the surrounding wall.