Renata CR1220 — Reliable 3V Lithium Coin Battery for Small Electronics

The Renata CR1220 is a 3V lithium coin cell engineered for dependable performance in compact devices. Measuring 12 mm in diameter and 2.0 mm in height, it strikes the perfect balance between capacity and size, offering long-lasting power and a stable voltage curve.

Technical Specifications

• Chemistry: Lithium Manganese Dioxide (Li-MnO₂)
• Nominal Voltage: 3V
• Diameter: 12 mm
• Height: 2.0 mm
• Capacity: ~35 mAh
• Operating Temperature: -30°C to +60°C
• Compliance: Mercury-free, RoHS compliant

Key Advantages

The CR1220 provides consistent voltage output across its lifespan, making it ideal for applications where reliability is critical. Its leak-resistant design and Swiss manufacturing quality ensure dependable performance in a range of environmental conditions.

Common Applications

• Watches
• Keyless entry systems
• Fitness monitors
• Backup memory in small electronics
• Miniature medical devices

Performance

With low self-discharge, the Renata CR1220 retains capacity during long storage periods. It operates reliably under varying load conditions, from light to moderate current draw.

Installation Guidance

• Verify compatibility before replacement
• Install with positive (+) side facing up
• Use plastic tweezers to prevent shorting
• Store spares in original packaging

Conclusion

Combining Swiss engineering, long shelf life, and consistent performance, the Renata CR1220 is a trusted power solution for small electronics where size and reliability matter.