Maxell is the first company in Japan to successfully market button-type silver oxide batteries and has many years of experience and know-how. Button-type silver oxide batteries such as Maxell SR936SW-BP5 Silver Oxide Battery are characterized by high-energy per unit volume and stable operating voltage. As a result, they are used as a power source for applications such as quartz watches, and in recent years their use has expanded to medical devices and BLE devices.