A method of operating a frozen beverage machine is disclosed that utilizes a short burst heating of the beverage machines freezing chamber. An align primitive comprising an alignment size port, an input address port and an output address port is used. A transfer function circuit portion is configured to sense the voltage of the rechargeable battery as a sensing voltage such that the change in the sensing voltage is directly proportional to the internal impedance of the rechargeable battery. A method is also provided for forming the tube light and mounting the tube light into the tube light socket.