1. Introduction
This manual provides essential information for the safe and effective use of Renata CR1025 3V Lithium Coin Cell Batteries. Please read these instructions carefully before use.
- Superior Leakage Resistance: Renata Lithium Manganese Dioxide Batteries are designed for enhanced safety and reliability.
- Specifications: CR1025 | Nominal Voltage - 3V | Nominal Capacity - 30 mAh.
- Low Self-Discharge: The annual self-discharge rate at room temperature (23°C) and normal humidity is less than 1% of the nominal capacity, ensuring a long shelf life.
- Safety Certified: All Renata and MFR coin cells are UL-recognized products (File No. MH14002).
- Environmental Responsibility: These batteries are environmental-friendly and do not contain toxic substances.

2. Setup and Installation
Proper installation is crucial for optimal battery performance and safety. Always refer to your device's manual for specific battery replacement instructions.
2.1. Opening Child-Resistant Packaging
Renata CR1025 batteries come in child-resistant packaging to prevent accidental ingestion. Use scissors to carefully cut along the dotted lines of the cardstock to access the batteries.

2.2. Battery Insertion
- Identify the battery compartment in your device.
- Remove the old battery, noting its orientation (positive (+) and negative (-) terminals).
- Insert the new Renata CR1025 battery with the positive (+) side facing the correct direction as indicated by your device.
- Close the battery compartment securely.
2.3. Installation Demonstration (Seller Video)
3. Operating Instructions
Renata CR1025 batteries provide reliable 3V power for a wide range of small electronic devices.
3.1. Compatible Devices
These batteries are commonly used in:
- Personal medical devices and health appliances
- Security systems, keyless entry devices, and alarms
- Personal entertainment gadgets and toys
- IoT smart devices, sensors, and meters
- Automotive components, pressure gauges, and more
- Fitness watches and clocks




4. Maintenance and Safety
To ensure the longevity and safe operation of your Renata CR1025 batteries, follow these guidelines:
- Storage: Store batteries in their original packaging in a cool, dry place away from direct sunlight and extreme temperatures.
- Disposal: Dispose of used batteries according to local regulations. Do not incinerate or mutilate batteries.
- Keep Away from Children: Due to their small size, coin cell batteries can be a choking hazard. Keep them out of reach of children.
- Avoid Short Circuits: Do not short-circuit the battery terminals.
- Do Not Recharge: These batteries are not rechargeable. Attempting to recharge them may lead to leakage or explosion.

5. Troubleshooting
If your device is not functioning correctly after installing a new Renata CR1025 battery, consider the following:
- Incorrect Orientation: Ensure the battery is inserted with the correct positive (+) and negative (-) polarity.
- Device Compatibility: Verify that CR1025 is the correct battery type for your device. Refer to your device's manual.
- Contact Issues: Check for any debris or corrosion on the battery terminals or within the device's battery compartment that might prevent proper contact.
- Battery Life: Although Renata batteries have a long shelf life, ensure the battery is new and not expired.
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | CR1025 |
| Brand | Renata |
| Battery Cell Composition | Lithium Manganese Dioxide |
| Nominal Voltage | 3V |
| Nominal Capacity | 30 mAh |
| Item Weight | 0.704 ounces |
| Package Dimensions | 9.13 x 5.16 x 0.63 inches |
| Date First Available | March 11, 2022 |
| Manufacturer | Renata Batteries |
| Recommended Uses | Calculators, Key Fobs, Medical Devices, Security Systems |
7. Warranty and Support
For specific warranty information or technical support regarding Renata CR1025 batteries, please refer to the official Renata Batteries website or contact their customer service directly. Keep your purchase receipt as proof of purchase.



