To provide a stacked-cell battery that does not require formation of collector tabs and that has high production efficiency.The stacked-cell battery comprises a plurality of stacked unit cells 10 and has a cell region 100 and a collection region 200, the ends of the negative electrode collector layers 1 and positive electrode collector layers 5 on the collection region 200 side having shapes that do not include recesses or raised sections as viewed in the stacking direction, the collection region 200 comprising negative electrode collecting sections 30 that are connected to each of the extensions of the negative electrode collector layers 1 of the plurality of unit cells 10, and electrically connect them, but are not connected to the extensions of the positive electrode collector layers 5, and positive electrode collecting sections 32 that are connected to each of the extensions of the positive electrode collector layers 5 of the plurality of unit cells 10, and electrically connect them, but are not connected to the extensions of the negative electrode collector layers 1.