Maxell CR1225 Battery – Compact Size, Reliable Performance

The Maxell CR1225 battery is a high-quality 3V lithium coin cell designed for compact electronic devices that demand steady, dependable energy. With a slim form factor, stable voltage output, and long shelf life, the CR1225 is a trusted choice for powering watches, small medical tools, calculators, and remote controls. Combining Maxell’s precision manufacturing with advanced lithium chemistry, it delivers consistent performance and exceptional durability, making it ideal for low-drain and intermittent-use applications in space-constrained devices.

Understanding the Maxell CR1225 Lithium Coin Cell

The CR1225 measures 12mm in diameter and 2.5mm in thickness, offering a capacity of approximately 50 mAh. Its lithium manganese dioxide (Li-MnO2) chemistry provides high energy density and a stable discharge profile, ensuring devices receive consistent power over long periods. This makes it suitable for both everyday electronics and critical-use devices where reliability is essential.

Core Specifications

• Model: Maxell CR1225
• Voltage: 3 Volts
• Capacity: Approximately 50 mAh
• Chemistry: Lithium Manganese Dioxide (Li-MnO2)
• Diameter: 12 mm
• Height: 2.5 mm
• Weight: Around 0.8 grams
• Operating Temperature: -20°C to +60°C

Why Choose the Maxell CR1225?

The Maxell CR1225 lithium coin cell for compact electronics offers a perfect balance of small size, stable output, and durability. Maxell’s strict quality standards ensure every CR1225 battery provides excellent leakage resistance, long-term storage stability, and consistent energy delivery.

Key Advantages

1. Compact Form Factor: Fits seamlessly into miniature electronics.
2. Stable Voltage: Maintains consistent 3V output throughout most of its life.
3. Long Shelf Life: Can retain charge for years when stored correctly.
4. Leakage Resistance: Protects sensitive electronics from corrosion and damage.
5. Temperature Resilience: Operates reliably in a wide range of climates.

Common Applications for the Maxell CR1225

The CR1225’s slim design and stable performance make it suitable for a variety of compact devices.

1. Watches

The long-lasting 3V lithium battery for watches ensures accurate timekeeping with minimal maintenance and fewer battery changes.

2. Medical Devices

The reliable CR1225 battery for medical devices is trusted in small diagnostic tools and portable health equipment where precision is crucial.

3. Calculators

Provides consistent power for scientific, graphing, and pocket calculators.

4. Remote Controls

Used in compact remotes for cameras, car systems, and security devices.

5. Fitness Trackers

Powers certain wearable devices that require a balance of slim size and dependable performance.

Performance and Reliability

Maxell’s CR1225 delivers steady energy output, even after extended standby periods. Its lithium chemistry ensures a flat discharge curve, which helps maintain device performance until the battery is near depletion.

Voltage Stability

Maintains a consistent 3V for most of its lifespan, preventing performance dips in sensitive devices.

Temperature Endurance

Performs effectively from -20°C to +60°C, making it suitable for various storage and usage environments.

Comparing the CR1225 to Other Coin Cells

The CR1225 sits between thinner models like the CR1220 and thicker, higher-capacity models like the CR1216 or CR1616, offering a balanced option for many compact electronics.

Battery Type	Diameter	Thickness	Capacity	Common Uses
CR1220	12 mm	2.0 mm	~35 mAh	Watches, calculators, small remotes
CR1225	12 mm	2.5 mm	~50 mAh	Watches, medical devices, remotes
CR1616	16 mm	1.6 mm	~55 mAh	Watches, calculators, keyless remotes

Proper Storage and Handling

Store CR1225 batteries in a cool, dry location, away from direct sunlight and sources of heat. Keep them in their original packaging until ready for use to prevent short-circuiting.

Replacing a CR1225 Battery

1. Locate the battery compartment on your device.
2. Open it carefully with the proper tool.
3. Note the polarity before removing the old battery.
4. Insert the new Maxell CR1225 with the correct orientation.
5. Secure the compartment and test your device.

Environmental Considerations

Dispose of used CR1225 batteries at approved recycling facilities. Lithium coin cells contain materials that should not be disposed of in regular household waste.

Conclusion

The Maxell CR1225 is a compact yet dependable lithium coin cell that delivers stable, long-lasting energy to a variety of small electronics. Whether it’s ensuring your watch keeps perfect time, powering a medical device for accurate readings, or keeping a calculator ready for use, the CR1225 offers consistent performance backed by Maxell’s reputation for quality. With its slim profile, reliable voltage, and long shelf life, it’s an excellent choice for compact electronics that need a trustworthy power source.