Maxell 372 (SR916W) 1.55V Silver Oxide Watch Battery – High-Drain, Made in Japan

The Maxell 372 (SR916W) is a high-drain 1.55V silver oxide button cell designed for dependable performance in watches, calculators, and small electronics. Manufactured in Japan, it delivers stable voltage output for accurate operation—especially in devices with higher power demands. With a 5+ year shelf life and an approximate 23 mAh capacity, it’s a reliable replacement option for both everyday users and professional repairs. The 372 is also commonly listed as interchangeable with 371 and 373 sizes depending on device requirements.

Key Features

• Brand: Maxell

• Model / Equivalent: 372 / SR916W

• Voltage: 1.55V

• Chemistry: Silver Oxide (high-drain “W” type)

• Made in: Japan

• Applications: Watches, calculators, small electronics

• Capacity: Approx. 23 mAh

• Shelf Life: 5+ years (typical)

• Cross-Reference: Often interchangeable with 371 / 373 (confirm fit/code)

Compatibility Note
Always match the battery code and size to your existing cell (SR916W / 372) or device manual to ensure proper fit and performance.