A method for connecting poles of the battery cells

The invention relates to a method of connecting poles (13, 14) of two battery cells (10), formed as a strand (15), the poles (13, 14) of the battery cells (10) interconnecting connection element. According to the invention it is provided that the strand (15) directly to a pole (13, 14) of a battery cell (10) in a welding region (17) by means of a laser beam (1) to form a laser beam welding is connected.