Renata CR1025 — Compact 3V Lithium Coin Cell for Precision Electronics

The Renata CR1025 is a compact 3V lithium coin battery designed for precision electronics and ultra-small devices. Measuring just 10 mm in diameter and 2.5 mm in height, it’s ideal for applications where space is at a premium but reliable, long-lasting power is essential. Swiss engineering ensures consistent voltage output, excellent shelf life, and dependable performance in temperature extremes.

Technical Specifications

• Chemistry: Lithium Manganese Dioxide (Li-MnO₂)
• Nominal Voltage: 3V
• Diameter: 10 mm
• Height: 2.5 mm
• Capacity: ~30 mAh (varies by application)
• Operating Temperature: -30°C to +60°C
• Compliance: Mercury-free, RoHS compliant

Why Choose Renata CR1025?

The Renata CR1025 is built for devices where miniaturization and reliability are both critical. Its small size makes it perfect for slim designs, while its lithium chemistry provides a stable voltage over its entire life. Swiss manufacturing ensures tight dimensional tolerances and rigorous quality control, meaning fewer failures and better performance in the field.

Common Applications

• Keyless entry systems
• Miniature calculators
• Small medical devices
• Fitness trackers
• Memory backup for compact electronics

Performance and Reliability

The CR1025 is known for its low self-discharge rate, allowing it to retain charge for years when not in use. This makes it especially suitable for devices that require long-term storage or intermittent usage. Even under varying environmental conditions, its lithium chemistry ensures stable performance.

Installation Tips

• Ensure polarity is correct before installation (+ side up in most devices)
• Handle with clean, dry hands or non-metallic tweezers
• Do not mix with used batteries in storage
• Replace all cells in multi-battery devices at the same time

Storage Guidelines

• Store in a cool, dry environment
• Avoid high humidity and direct sunlight
• Keep in original packaging until use

Conclusion

When size matters as much as performance, the Renata CR1025 is a top-tier choice. With dependable Swiss quality, stable voltage, and a long shelf life, it’s perfectly suited for small electronics that demand consistent, reliable power.