A vehicle comprising: a motor serving as a driving source for running the vehicle; and a first assembled battery and a second assembled battery each capable of supplying an electric power to the motor, the first assembled battery and the second assembled battery being constituted by lithium-ion secondary batteries (11, 22), respectively, the lithium-ion secondary battery (11, 22) having a positive electrode component having a positive collector plate (111, 221) and a positive active material layer (112, 222) formed on the positive collector plate (111, 221), a negative electrode component having a negative collector plate (113, 223) and a negative active material layer (114, 224) formed on the negative collector plate (113, 223), and a separator (115, 225) placed between the positive electrode component and the negative electrode component, wherein the first assembled battery and the second assembled battery are placed in a luggage space, the first assembled battery is capable of charge and discharge with a current relatively larger than that in the second assembled battery and has a higher power and a lower capacity than the second assembled battery, characterized in that the positive active material layer of the lithium-ion secondary battery of the first assembled battery has thickness smaller than that of the second assembled battery, the negative active material layer of the lithium-ion secondary battery of the first assembled battery has thickness smaller than that of the second assembled battery, an electric power per unit mass of the cell (in W/kg) or an electric power per unit volume of the cell (in W/L) of the lithium-ion secondary battery of the first assembled battery is higher than that of the lithium-ion secondary battery of the second assembled battery, and a capacity per unit mass of the cell (in Wh/kg) or a capacity per unit volume of the cell (in Wh/L) of the lithium-ion secondary battery of the second assembled battery is higher than that of the lithium-ion secondary battery of the first assembled battery, and the second assembled battery has an energy capacity relatively larger than that of the first assembled battery, has a higher dependence of battery characteristic on temperature than that of the first assembled battery, and is placed over the first assembled battery in the vehicle (100, LS), the dependence of battery characteristic on temperature being a reduction rate of input/output performance of the lithium-ion secondary battery (11, 22) due to temperature drop and a reduction rate of capacity retention rate of the lithium-ion secondary battery (11, 22) due to temperature raise. a motor serving as a driving source for running the vehicle; and a first assembled battery and a second assembled battery each capable of supplying an electric power to the motor, the first assembled battery and the second assembled battery being constituted by lithium-ion secondary batteries (11, 22), respectively, the lithium-ion secondary battery (11, 22) having a positive electrode component having a positive collector plate (111, 221) and a positive active material layer (112, 222) formed on the positive collector plate (111, 221), a negative electrode component having a negative collector plate (113, 223) and a negative active material layer (114, 224) formed on the negative collector plate (113, 223), and a separator (115, 225) placed between the positive electrode component and the negative electrode component, the first assembled battery and the second assembled battery are placed in a luggage space, the first assembled battery is capable of charge and discharge with a current relatively larger than that in the second assembled battery and has a higher power and a lower capacity than the second assembled battery, the positive active material layer of the lithium-ion secondary battery of the first assembled battery has thickness smaller than that of the second assembled battery, the negative active material layer of the lithium-ion secondary battery of the first assembled battery has thickness smaller than that of the second assembled battery, an electric power per unit mass of the cell (in W/kg) or an electric power per unit volume of the cell (in W/L) of the lithium-ion secondary battery of the first assembled battery is higher than that of the lithium-ion secondary battery of the second assembled battery, and a capacity per unit mass of the cell (in Wh/kg) or a capacity per unit volume of the cell (in Wh/L) of the lithium-ion secondary battery of the second assembled battery is higher than that of the lithium-ion secondary battery of the first assembled battery, and the second assembled battery has an energy capacity relatively larger than that of the first assembled battery, has a higher dependence of battery characteristic on temperature than that of the first assembled battery, and is placed over the first assembled battery in the vehicle (100, LS), the dependence of battery characteristic on temperature being a reduction rate of input/output performance of the lithium-ion secondary battery (11, 22) due to temperature drop and a reduction rate of capacity retention rate of the lithium-ion secondary battery (11, 22) due to temperature raise.