A non-aqueous electrolyte battery (60A, 60B, 60C, 60D, 60E) characterized by comprising: an electrode group (21A, 21B, 21C, 21D, 21E) including at least one positive electrode, at least one negative electrode, at least one bipolar electrode and separators, the positive electrode, the negative electrode and the bipolar electrode being stacked with the separators interposed between them, wherein the positive electrode includes a current collector, including one side surface and the other side surface, and a positive electrode active material layer formed on each of the one side and the other side surfaces of the current collector, the negative electrode includes a current collector, including one side surface and the other side surface, and a negative electrode active material layer formed on each of the one side and the other side surfaces of the current collector; the bipolar electrode includes a current collector, including one side surface and the other side surface, a positive electrode active material layer formed on the one side surface of the current collector, and a negative electrode active material layer formed on the other side surface of the current collector, the electrode group (21A, 21B, 21C, 21D, 21E) includes a current collecting tab for the negative electrode, a current collecting tab for the positive electrode and a current collecting tab (15c1) for the bipolar electrode, each of the current collecting tabs (15A, 15B, 15c1) including a connecting portion (15a1-a4, 15b1-b4, 15c1-c4), and the connecting portion (15a1-a4) of the current collecting tab for the negative electrode of the electrode group (21A, 21B, 21C, 21D, 21E), the connecting portion (15b1-b4) of the current collecting tab for the positive electrode of the electrode group (21A, 21B, 21C, 21D, 21E) and the connecting portion of the current collecting tab (15c1-c4) for the bipolar electrode of the electrode group (21A, 21B, 21C, 21D, 21E) are arranged in a state in which these connecting portions (15a1-a4, 15b1-b4, 15c1-c4)are shifted to different positions on an outer peripheral part of the electrode group (21A, 21B, 21C, 21D, 21E). an electrode group (21A, 21B, 21C, 21D, 21E) including at least one positive electrode, at least one negative electrode, at least one bipolar electrode and separators, the positive electrode, the negative electrode and the bipolar electrode being stacked with the separators interposed between them, wherein the positive electrode includes a current collector, including one side surface and the other side surface, and a positive electrode active material layer formed on each of the one side and the other side surfaces of the current collector, the negative electrode includes a current collector, including one side surface and the other side surface, and a negative electrode active material layer formed on each of the one side and the other side surfaces of the current collector; the bipolar electrode includes a current collector, including one side surface and the other side surface, a positive electrode active material layer formed on the one side surface of the current collector, and a negative electrode active material layer formed on the other side surface of the current collector, the electrode group (21A, 21B, 21C, 21D, 21E) includes a current collecting tab for the negative electrode, a current collecting tab for the positive electrode and a current collecting tab (15c1) for the bipolar electrode, each of the current collecting tabs (15A, 15B, 15c1) including a connecting portion (15a1-a4, 15b1-b4, 15c1-c4), and the connecting portion (15a1-a4) of the current collecting tab for the negative electrode of the electrode group (21A, 21B, 21C, 21D, 21E), the connecting portion (15b1-b4) of the current collecting tab for the positive electrode of the electrode group (21A, 21B, 21C, 21D, 21E) and the connecting portion of the current collecting tab (15c1-c4) for the bipolar electrode of the electrode group (21A, 21B, 21C, 21D, 21E) are arranged in a state in which these connecting portions (15a1-a4, 15b1-b4, 15c1-c4)are shifted to different positions on an outer peripheral part of the electrode group (21A, 21B, 21C, 21D, 21E).