Renata 350 (SR1136W) — High-Drain Silver-Oxide Battery for Demanding Watches

The Renata 350 (SR1136W) is a Swiss-made silver-oxide button cell designed for high-drain applications in analog watches. Measuring approximately 11.6 mm in diameter and 3.6 mm in height, it delivers consistent 1.55 V power for watches equipped with energy-intensive features like alarms, chronographs, or backlighting. Its “W” designation indicates a high-drain profile, capable of supplying bursts of higher current without compromising performance.

Core Specifications

• Chemistry: Silver-oxide, mercury-free
• Nominal Voltage: 1.55 V
• Dimensions: ~11.6 mm × 3.6 mm
• Drain Profile: High-drain (W)
• Compliance: RoHS, mercury-free

Understanding SR1136W

• SR: Silver-oxide chemistry, round shape
• 1136: Size family (~11.6 mm × 3.6 mm)
• W: High-drain for applications requiring higher current loads

This ensures that the Renata 350 is best suited for watches with power-demanding functions.

Why Choose Renata 350?

1. Provides stable voltage even during current surges
2. Swiss quality ensures consistent performance
3. Leak-resistant construction protects delicate watch movements
4. Long shelf life due to low self-discharge
5. Mercury-free and environmentally compliant

Applications

• Chronographs
• Analog watches with alarms
• Watches with backlight or additional features

Installation Tips

• Always match the SR1136W specification
• Handle with non-metal tweezers
• Check polarity before installation
• Inspect gaskets for water resistance

Performance Expectations

The Renata 350 maintains its voltage under both steady and intermittent high-load conditions, ensuring that features like alarms and chronographs function reliably throughout the battery’s life.

Storage Guidelines

• Keep in original packaging until use
• Store in a cool, dry place
• Use stock rotation for freshness

Conclusion

The Renata 350 (SR1136W) delivers high-drain performance with Swiss precision. Ideal for watches with advanced features, it offers reliable power, long life, and leak protection in a mercury-free package.