Battery cooling assembly

A battery cooling assembly, comprising:

• a cooling tube;
• a collecting tube, comprising a top wall, a bottom wall, and two side walls, wherein:
• a collecting opening is provided in one of the two side walls;
• an opening edge of the collecting opening comprises a top edge, a bottom edge, and two side edges;
• and
• the bottom edge of the collecting opening is in contact with an inner surface of the bottom wall;
• and
• a connecting aid, comprising a base plate provided with a through hole, and a hole wall of the through hole extending outwardly to form an extension, wherein the extension abuts against the bottom edge of the collecting opening, and the extension is configured to:
• extend through the collecting opening beyond the one of the two side walls and into the collecting tube, and
• be in direct contact with the inner surface of the bottom wall;
• wherein an end of the cooling tube is connected to the extension through the through hole, the base plate is connected with the collecting tube, and the through hole is in communication with the collecting opening.