NOVELTY - The unit cell (1) is a wound assembly of elongated positive and negative electrodes each being constituted by a current collector and a layer of an active material formed on it. The electrode terminal leads (3, 4) are mounted on the current collectors of the positive and negative collectors in the vicinity of the innermost end of the wound assembly.    USE - The cell may be used as both a primary cell and a secondary cell.    ADVANTAGE - The cell capacity within the cell exterior package is improved and the production process of the spiral electrode is simplified while the external terminal is improved in position accuracy.    DETAILED DESCRIPTION - A non-aqueous electrolyte cell in which a unit cell (1) is housed in an exterior packaging material (2) of a laminated film and encapsulated by heat fusion. Electrode terminal leads (3, 4) electrically connected to positive and negative terminals of the unit cell are exposed to the outside of the exterior packaging material as the electrode terminal leads are surrounded by heat-fused portions. The unit cell is a wound assembly of elongated positive and negative electrodes each being constituted by a current collector and a layer of an active material formed on it. The electrode terminal leads are mounted on the current collectors of the positive and negative collectors in the vicinity of the innermost end of the wound assembly.    An INDEPENDENT CLAIM is also included for a non-aqueous electrolyte cell in which a unit cell is housed in an exterior packaging material of a laminated film and encapsulated by heat fusion. Electrode terminal leads electrically connected to positive and negative terminals of the unit cell are exposed to the outside of the exterior packaging material as the electrode terminal leads are surrounded by heat-fused portions. The unit cell is a wound assembly of an elongated positive electrode and an elongated negative electrode. The positive and negative electrodes are each formed by a current collector on both sides of which are formed layers of an active material. The electrode terminal leads are mounted on the current collectors of the positive and negative electrodes in the vicinity of the innermost turn of the wound assembly.    DESCRIPTION OF DRAWING(S) - The diagram shows an exploded perspective view of a solid electrolyte cell.    Unit cell (1)    Packaging material (2)    Negative terminal lead (3)    Positive terminal lead (4)    Bent drawn-out portions (3a, 3b, 4a, 4b)