Battery pack and related supply device

Abstract

A battery pack comprises a plurality of superimposed layers of cells; between two consecutive superimposed layers of cells an interposition member is provided comprising an electrical connection member provided with a first plurality of contacting portions at a first side and a second plurality of contacting portions at a second side at respective axial symmetric positions with respect to an axis of symmetry, a cell of a first layer of the superimposed layers is positioned, in use, adjacent to a respective contacting portion of said first plurality of contacting portions, a cell of a second layer of the superimposed layers is positioned, in use, adjacent to a respective contacting portion of said second plurality of contacting portions; said electrical connection member is provided with a plurality of protruding portions at the first side and at the second side at which said first plurality of contacting portions and said second plurality of contact portions are provided, respectively; said electrical connection member is made of a metallic material; said electrical connection member comprises a first plate portion and a second plate portion arranged on substantially parallel planes and provided respectively with the first plurality of contacting portions and the second plurality of contacting portions aligned with each other, and said first plate portion and said second plate portion are connected to each other by a connection portion configured in such a way to allow said first plate portion and second plate portion to elastically approach, or depart, with respect to one another.

Dependencies are inferred from the claim text.