Flexible secondary battery, electronic equipment

Providing a flexible rechargeable battery that can be implemented together with the flexibility and high capacity. Has flexibility, it has a positive and negative electrodes that contain softener active material layer of at least one of the electrodes, the active material of the positive electrode that contains Mn, and the interior of the vacuum degree of 100 constituting the flexible secondary battery is constituted by a lithium ion secondary battery which is ～1000Pa.