The embodiments of the present disclosure provide a battery module and an assembly method thereof, and a power battery. The battery module includes at least two battery cell groups arranged in parallel within the module housing. At two end surfaces of the ...

The embodiments of the present disclosure provide an extruded shell, a battery pack, and a method for assembling a battery pack. The extruded shell comprises a bottom plate, a T-shaped plate, and two side plates. Both side plates are connected to the botto...