Renata CR1225 — Durable 3V Lithium Coin Cell for Long-Lasting Power

The Renata CR1225 is a 3V lithium coin cell known for its dependable power and long service life. Measuring 12 mm in diameter and 2.5 mm in height, it offers a slightly larger capacity than the CR1220 while maintaining compact dimensions suitable for a wide range of devices.

Technical Specifications

• Chemistry: Lithium Manganese Dioxide (Li-MnO₂)
• Nominal Voltage: 3V
• Diameter: 12 mm
• Height: 2.5 mm
• Capacity: ~48 mAh
• Operating Temperature: -30°C to +60°C
• Compliance: Mercury-free, RoHS compliant

Advantages of the CR1225

The CR1225’s larger height compared to the CR1220 translates to greater capacity and longer operational life, making it ideal for devices that require extended runtime between battery changes.

Common Applications

• Heart rate monitors
• Calculators
• Small medical devices
• Key fobs
• Remote controls

Performance Benefits

Its lithium chemistry ensures stable voltage output and high energy density, while its low self-discharge rate allows for years of storage without significant capacity loss.

Installation Notes

• Match CR1225 specification before installing
• Ensure correct polarity
• Handle with care to avoid short circuits
• Store spares in original packaging

Conclusion

For compact devices that need reliable, long-lasting power, the Renata CR1225 offers Swiss precision, stable output, and a capacity advantage over thinner cells, ensuring dependable operation.