1. Introduction
This manual provides essential information for the safe and effective use of Renata CR1225 Lithium Coin Cell Batteries. These 3V batteries are designed for reliable performance in various small electronic devices, including watches, remote controls, and other compact electronics. Please read this manual thoroughly before use.
2. Product Overview
Renata CR1225 batteries are Swiss-made, known for their quality and reliability. They offer an optimized volume/capacity ratio, ensuring long-lasting power for compatible devices.

Front view of two Renata CR1225 Lithium 3V batteries in blister packaging. The packaging clearly displays the Renata brand logo, battery type (Lithium 3V CR1225), and 'Swiss Made' designation.

The reverse side of the Renata CR1225 battery packaging, detailing important safety warnings in multiple languages, including 'KEEP OUT OF REACH OF CHILDREN'. It also provides disposal instructions and manufacturer information.
3. Safety Information
WARNING: Keep batteries out of reach of children. Swallowing can lead to chemical burns, perforation of soft tissue, and death. Severe burns can occur within 2 hours of ingestion. Seek medical attention immediately if a battery is swallowed.
- Do not recharge, disassemble, heat above 100°C (212°F), or incinerate.
- Do not expose batteries to water or extreme temperatures.
- Ensure correct polarity (+/-) when installing.
- Store batteries in their original packaging until ready for use.
- Dispose of used batteries promptly and responsibly according to local regulations.
- For more information on child safety regarding batteries, visit renata.com/children.
4. Installation and Setup
- Identify Battery Compartment: Locate the battery compartment on your device. Refer to your device's instruction manual for specific opening procedures.
- Remove Old Battery (if applicable): Carefully remove any old battery, noting its orientation.
- Insert New Battery: Insert the Renata CR1225 battery with the positive (+) side facing up or as indicated by the device's polarity markings. Ensure it is seated securely.
- Close Compartment: Close the battery compartment firmly.
- Test Device: Power on your device to confirm proper installation and functionality.
5. Operating Instructions
Renata CR1225 batteries are designed for single use and provide a stable 3V power supply. Once installed correctly, the battery will power your device until its charge is depleted. No specific operating steps are required for the battery itself beyond proper installation.
6. Maintenance
- Keep battery contacts clean and free from dirt or corrosion. Use a dry cloth to wipe them if necessary.
- Store unused batteries in a cool, dry place, away from direct sunlight and extreme temperatures.
- Do not store loose batteries together, as this can cause short circuits.
7. Troubleshooting
- Device Not Powering On:
- Check if the battery is inserted with the correct polarity (+/-).
- Ensure the battery compartment is securely closed.
- Verify that the battery contacts are clean.
- If the battery is old or has been stored for a long time, it may be depleted. Replace with a new Renata CR1225 battery.
- Intermittent Power:
- This could indicate a loose connection or a nearly depleted battery. Re-seat the battery or replace it.
8. Specifications
| Model Name | CR1225 |
| Brand | Renata |
| Battery Cell Composition | Lithium Manganese Dioxide |
| Voltage | 3 Volts |
| Battery Capacity | 48 Milliamp Hours |
| Reusability | Single Use |
| Unit Count | 2 Count |
| Battery Weight | 2 Grams |
| Recommended Uses | Watches, small electronic devices |
9. Manufacturing and Quality
Renata batteries are manufactured in Switzerland, adhering to high quality standards. The production process emphasizes precision and reliability to ensure consistent performance.
An official video from Premium Batteries USA showcasing the manufacturing process and quality standards of Renata batteries, highlighting their Swiss origin and precision engineering.
10. Warranty and Support
For warranty information or technical support, please refer to the official Renata website or contact your point of purchase. Keep your purchase receipt for any warranty claims.
You can visit the official Renata store for more products and information: Renata Store on Amazon