NOVELTY - An electric storage device comprises a first electric storage component (29) containing a first positive-electrode mixture layer (22) and a negative electrode mixture layer (17) opposite to the first positive-electrode mixture layer; and a second electric storage component (30) that is connected in parallel to the first electric storage component and containing a second positive-electrode mixture layer and a negative-electrode mixture layer opposite to the second positive-electrode mixture layer (27).    USE - In the driving storage power source for an electric vehicle, motorized wheel chair, photovoltaic power generating device, wind power generating device, portable device, and electric appliance.    ADVANTAGE - The device has a high output characteristic and a high capacity characteristic, and high durability.    DETAILED DESCRIPTION - An electric storage device comprises a first electric storage component (29) containing a first positive-electrode mixture layer (22) and a negative electrode mixture layer (17) opposite to the first positive-electrode mixture layer; and a second electric storage component (30) that is connected in parallel to the first electric storage component and containing a second positive-electrode mixture layer and a negative-electrode mixture layer opposite to the second positive-electrode mixture layer (27); where the positive-electrode mixture layer contains a positive-electrode active material that allows ions to be reversibly doped in it and dedoped from it, where the negative-electrode mixture layer contains a negative-electrode active material that allows ions to be reversibly doped in it and dedoped from it, where the capacity of the first positive-electrode mixture layer is set higher than the capacity of the second positive-electrode mixture layer, the path resistance of the first electric storage component is set higher than the path resistance of the second electric storage component, and where a current collector (16) provided between the first positive-electrode mixture layer and the second positive-electrode mixture layer has a through-hole (16a) formed in it, where resistor (23) is provided in an electricity supply path (24) of the first electric storage component.    DESCRIPTION OF DRAWING(S) - The figure shows sectional view of internal structure of electric storage device.    Negative electrode mixture layer (17)    First positive-electrode mixture layer (22)    Second positive-electrode mixture layer (27)    First electric storage component (29)    Second electric storage component (30)