A battery device includes a box frame (3), and battery groups (2) and first beams (1) located in the box frame (3). An adhesive layer is provided between the each first beam (1) and a first side surface (21) of the adjacent battery group (2), and the adhes...

A liquid cooling system includes: a liquid cooling plate (11), a support plate (12) and a water inlet and outlet joint (13). The support plate (12) includes a first through hole (121) and a second through hole (122), and is used for fixedly connecting with...