METHOD FOR MANUFACTURING BATTERY MODULE

This disclosure relates to a method for manufacturing a battery module that includes the following steps: providing a plurality of battery units; providing a collector plate and an insulation layer disposed on the collect plate; contacting the insulation layer to a plurality of terminals of the plurality of battery units; and performing laser welding on a portion of the insulation layer that is in contact with the plurality of terminals to make the collector plate electrically connect the plurality of terminals.