A storage device includes a storage section including a plurality of walls and storing an object in a space surrounded by the walls; and a flexible printed substrate fixed to the storage section, in which the flexible printed substrate includes a first electrode, a second electrode, a third electrode, a first terminal that is electrically coupled to the first electrode, a second terminal that is electrically coupled to the second electrode, a third terminal that is electrically coupled to the third electrode, and a plurality of constant voltage terminals held at a constant voltage, one or more constant voltage terminals are arranged between the first terminal and the second terminal, one or more constant voltage terminals are arranged between the second terminal and the third terminal, and one or more constant voltage terminals are arranged between the third terminal and the first terminal.