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 this 399 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. This Maxell battery is ideal for 399 battery replacement.
Maxell 399 SR726W battery works in: watches, computers, keyless entry devices, calculators, hearing aid devices, garage door openers, toys, games, door chimes, pet collars, LED lights, sporting goods, pedometers, calorie counters, stopwatches, industrial, medical and electronic devices.
Maxell 399 battery equivalent: 399, D399, 280-44, V399, 613, SB-BP/EP, SR57, AG7