Battery pack

The utility model relates to a battery pack which comprises a box body and a battery cell arranged in the box body, the box body comprises a bottom plate, the battery cell is adhered to the bottom plate through an insulating adhesive, an insulating blue film is arranged on the surface of one side, facing an insulating layer, of the battery cell, and an insulating layer is arranged on one side, facing the battery cell, of the bottom plate. According to the battery pack provided by the utility model, the battery cell is adhered to the bottom plate through the insulating adhesive, the insulating blue film is arranged on the surface of one side, facing the bottom plate, of the battery cell, and the insulating layer is arranged on one side, facing the battery cell, of the bottom plate, so that a three-layer insulating structure of the insulating blue film, the insulating adhesive and the insulating layer is arranged between the battery cell and the bottom plate of the box body; and the insulation performance can b