Vehicle battery fixing structure

The present invention aims at dampening shaking of two batteries in a vehicle battery fixing structure by means of which the two batteries are fixed side by side. A vehicle battery fixing structure of the present invention is outfitted with a battery pan (4) fixed to a side member which makes up a vehicle body, a main battery (2) fixed on the battery pan (4), a sub-battery (3) that is on the battery pan (4) and that is placed side by side on a front side of the vehicle, and a battery bracket (6) to be placed on a back surface of the sub-battery (3) so as to cover an entire back surface of the sub-battery (3). The battery racket (6) has a fixing part (622) provided between a top surface of the battery pan (4) and an bottom surface of the main battery (2).