SUPPORT DEVICE FOR VEHICLE BATTERY PACK AND ELECTRIC VEHICLE

[Problem] To enhance the protectability of a battery pack. [Solution] A support device 10, which supports a battery pack 30 including a first battery accommodating portion 31 arranged in a first space S1 between a pair of side rails 41 constituting a ladder frame 40 of a vehicle 20 and a second battery accommodating portion 32 arranged in a second space S2 below the first space S1, includes a frame-side bracket 4, a battery-side bracket 5, and an elastic coupling portion 6. The frame-side bracket 4 has first brackets 1 extending from each of the side rails 41 outward in a vehicle width direction and downward, and a second bracket 2 connecting the first brackets 1 to each other below the battery pack 30. The battery-side bracket 5 projects from an end surface 32a on an outer side in the vehicle width direction of the second battery accommodating portion 32 outward in the vehicle width direction. The elastic coupling portion 6 elastically connects the frame-side bracket 4 and the battery-side bracket 5.