Patent attributes
The battery pack according to this application includes: a frame body, enclosing an accommodating space that is closed circumferentially and opened in a height direction; and a heat exchange plate, fixed under the frame body and closing a lower opening of the accommodating space. The heat exchange plate includes: a body portion provided with a heat exchange flow passage; and a fastening portion connected to an entire periphery of the body portion and provided with a plurality of notches, where the notches are recessed inward from an end of the fastening portion, the plurality of notches are spaced apart along the entire periphery of the fastening portion, a protrusion is formed between each two adjacent notches, and the protrusion is fixedly connected to the frame body.
