A power battery pack assembly

The present invention provides a battery pack assembly, comprising a fixed support connected laterally to the two side members of the vehicle body, the battery pack is fixed to the fixed support member; said battery pack assembly further comprises a vertical beam, the said vertical beams fixed to the fixed support member, and while fixing the battery pack is connected to the side wall or top surface. Battery pack assembly of the present invention can provide a battery pack is securely fixed to the body, and can effectively prevent the battery pack is squeezed, safer.