1. A method for producing an energy cell, the method comprising:
arranging a plurality of films of an energy cell one above or on top of another in a stack at a processing location; and
cutting the plurality of films in one operation, wherein the cutting of the films is carried out by a laser beam, and wherein
the laser beam is guided in a liquid,
wherein the energy cell is an energy storage cell or a battery, and the films are battery films, wherein the liquid comprises
an electrolyte of the battery.