Maxell SR927SW Battery – Precision Power for Watches and Devices

The Maxell SR927SW is a premium 1.55V silver oxide button cell designed for applications that require consistent, long-lasting power. With a precise output and excellent leak resistance, it is the go-to choice for watches, calculators, medical instruments, and other small electronics. This battery combines Maxell’s exceptional manufacturing standards with proven silver oxide chemistry to deliver stable voltage over its entire life cycle, ensuring reliability in devices where accuracy and performance are critical.

Maxell SR927SW Battery Specifications

• Model: SR927SW
• Chemistry: Silver Oxide
• Nominal Voltage: 1.55 Volts
• Capacity: ~55 mAh
• Diameter: 9.5 mm
• Height: 2.7 mm
• Weight: ~1 gram
• Operating Temperature: -10°C to +60°C

Why the Maxell SR927SW Stands Out

The Maxell SR927SW silver oxide watch battery is engineered for low-drain applications where voltage stability is vital. It is a perfect fit for analog watches and other precision devices, as it maintains steady output without fluctuations that could impact performance.

Key Advantages

1. Long-Lasting Power: Extended service life reduces replacement frequency.
2. Stable Voltage Output: Maintains precise performance over time.
3. Leak-Resistant Design: Protects devices from potential corrosion damage.
4. Compact Size: Fits seamlessly into small, precision-engineered devices.
5. Trusted Brand: Backed by Maxell’s quality control and innovation.

Applications for the Maxell SR927SW

Its size, capacity, and chemistry make it versatile for numerous specialized devices.

1. Watches

The long-lasting SR927SW 1.55V battery for watches ensures accurate timekeeping in analog and luxury watch models.

2. Medical Devices

The reliable SR927SW battery for medical devices powers glucose meters, thermometers, and diagnostic equipment that require dependable voltage.

3. Calculators

Offers stable, long-term power for compact scientific and financial calculators.

4. Small Electronics

Also suitable for key fobs, small remote controls, and measurement tools.

Performance and Reliability

The SR927SW is a low-drain battery designed for consistent performance over months or years of use. Its silver oxide chemistry ensures a flat discharge curve, providing nearly constant voltage until the end of its service life.

Voltage Stability

This battery maintains close to 1.55V output throughout most of its discharge cycle, critical for accuracy in precision devices.

Temperature Resilience

Functions reliably between -10°C and +60°C, making it suitable for both everyday and professional environments.

SR927SW vs SR920SW

While the SR920SW shares the same diameter, the SR927SW is slightly thicker, offering increased capacity for devices that can accommodate its height.

Battery Type	Diameter	Height	Voltage	Capacity	Primary Uses
SR927SW	9.5 mm	2.7 mm	1.55V	~55 mAh	Watches, medical devices
SR920SW	9.5 mm	2.05 mm	1.55V	~42 mAh	Watches, measuring tools

Handling and Storage Tips

Store SR927SW batteries in their original packaging in a cool, dry location. Avoid exposing them to high heat, humidity, or direct sunlight. Keep away from metal objects to prevent short-circuiting.

Replacing an SR927SW Battery

1. Use a precision screwdriver or case opener to access the battery compartment.
2. Note the positive (+) and negative (-) orientations.
3. Replace with a fresh Maxell SR927SW, matching the polarity.
4. Secure the compartment and test the device.

Environmental Responsibility

Dispose of used SR927SW batteries at designated recycling facilities. Never discard in household waste, as silver oxide cells contain materials that should be reclaimed.

Conclusion

The Maxell SR927SW battery is a trusted choice for applications where performance and precision matter most. Its stable voltage, leak resistance, and extended service life make it ideal for watches, medical equipment, and compact electronics. Whether you need dependable energy for a high-end timepiece or a vital diagnostic device, the SR927SW delivers unmatched reliability in a small, powerful package.