Sale price$0.65




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 371 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 371 battery replacement.

Maxell 371 battery equivalent: 370, 370/371, 371, 371BP, 537, 605, AWI S18, AWI S21, Citizen 280-31, D371, GP371, KS371, LR921, R371, SP371, SR69, SR920SW, SR921, Seiko SB-AN, Seiko TR920SW, V371, V537

Maxell 371 SR920SW 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.


  • Voltage is 1.55V
  • Capacity is 45mAh
  • Discharge current rate is 50mA
  • Is free of mercury
  • Built for low drain items like analog watches
  • Has leak resistant processing for safe handling
  • Holds two times the capacity of energy that a classic alkaline coin cell does
  • Battery's voltage remains reliable until battery needs to be discharged; known as a flat discharge rate


  • Chemistry: Silver oxide
  • Voltage: 1.55V
  • Capacity: 45mAh
  • Discharge current: 50mA
  • Dimensions:
    • Weight: .025 oz.
    • Height: 2.05mm
    • Diameter: 9.5mm

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