Patent ID: 7471501

Claim:
A device comprising: a base plate; a first cell on the base plate; and a second cell electrically connected to the first cell and adjacent to the first cell on the base plate, wherein the first cell and the second cell each include at least one capacitor; a housing in which the first cell and the second cell are arranged, a first metal plate connected to a capacitor in the first cell on a side of the capacitor in the first cell facing away from the base plate, the first metal plate including at least one hole configured to receive a conductive fastening element, a second metal plate connected to a capacitor in the second cell on a side of the capacitor in the second cell facing away from the base plate, the second metal plate including at least one hole configured to receive the conductive fastening element; the second metal plate and the first metal plate arranged such that the hole in the first metal plate and the hole in the second metal plate are coaxially arranged, and an electrically conductive fastening element connected through the hole in the first metal plate and the hole in the second metal plate such that the first metal plate and the second metal plate are electrically connected to one another and mechanically attached to one another and to the base plate.