BATTERY MODULE AND ASSEMBLY METHOD THEREOF

This application provides a battery module and an assembling method thereof. The battery module includes batteries and busbar components. The batteries are plural in number and laid out consecutively along a longitudinal direction. Each battery includes a first electrode terminal and a second electrode terminal. The busbar components are plural in number and connected to the plurality of batteries. The plurality of batteries include a first battery and a second battery. The first electrode terminal of the first battery and the first electrode terminal of the second battery are laid out along the longitudinal direction. The plurality of busbar components include a first busbar component, and the first busbar component includes a first part, a second part, and a third part. The first part is connected to the first electrode terminal of the first battery, the second part is connected to the second electrode terminal of the second battery, and the third part connects the first part and the second part. A through hole is disposed on the third part.