The utility model relates to a new energy battery box with a damping mechanism. The device comprises a battery box and a battery assembly, the battery assembly comprises a plurality of batteries and abattery rack; the battery box is characterized in that a plurality of mounting grooves are formed in the inner wall of the battery box corresponding to the outer walls of the batteries in the batteryassembly, shock pads are clamped and fixed in the mounting grooves, the shock pads are provided with arc-shaped surfaces, and the shock pads are attached to the outer walls of the batteries in the battery assembly to clamp the battery assembly in the radial direction. The new energy battery box with the shock absorption mechanism is scientific and reasonable in structural design, and has the advantages of being easy to install and good in shock absorption effect due to the adoption of the fast-assembled shock absorption structure.