Maxell CR1216 Battery – Ultra-Thin Power for Precision Devices

The Maxell CR1216 battery is an ultra-slim, high-performance 3V lithium coin cell designed for electronics with extremely limited internal space. Measuring just 12mm in diameter and 1.6mm thick, this battery provides approximately 25 mAh of capacity, making it ideal for slim watches, calculators, and small medical instruments. With stable voltage output, excellent leak resistance, and a long shelf life, the CR1216 combines Maxell’s engineering expertise with advanced lithium chemistry to deliver reliable energy in ultra-compact applications.

Understanding the Maxell CR1216 Lithium Coin Cell

The CR1216 is one of the thinnest coin cells in Maxell’s lineup, yet it maintains dependable performance across its lifespan. Its lithium manganese dioxide (Li-MnO2) chemistry ensures high energy density, consistent voltage, and long storage capability. This makes it an excellent choice for small devices where space is limited but performance cannot be compromised.

Core Specifications

• Model: Maxell CR1216
• Voltage: 3 Volts
• Capacity: Approximately 25 mAh
• Chemistry: Lithium Manganese Dioxide (Li-MnO2)
• Diameter: 12 mm
• Height: 1.6 mm
• Weight: Around 0.6 grams
• Operating Temperature: -20°C to +60°C

Why Choose the Maxell CR1216?

The Maxell CR1216 lithium coin cell for ultra-compact devices is engineered for applications that demand a slim profile without sacrificing stability or longevity. Maxell’s precision manufacturing ensures tight quality control, excellent sealing for leak prevention, and reliable performance in various environmental conditions.

Key Advantages

1. Ultra-Thin Profile: At just 1.6mm thick, it fits the slimmest devices.
2. Stable Voltage: Maintains a steady 3V output until near depletion.
3. Long Shelf Life: Retains charge for years when stored correctly.
4. Leakage Resistance: Protects sensitive electronics from corrosion.
5. Temperature Resilience: Operates reliably from -20°C to +60°C.

Common Applications for the Maxell CR1216

With its ultra-slim dimensions and dependable performance, the CR1216 is used in many miniature electronics where space is critical.

1. Watches

The long-lasting 3V lithium battery for watches ensures precise timekeeping in slim watch designs without frequent replacements.

2. Calculators

The reliable CR1216 battery for calculators powers compact and pocket-sized models efficiently, ensuring long-lasting usability.

3. Small Medical Devices

Used in certain digital thermometers and diagnostic tools, where consistent voltage is essential for accuracy.

4. Keychain Remotes

Fits into ultra-compact remote controls for security systems and small gadgets.

5. Backup Power for Small Electronics

Maintains memory and settings in select low-drain electronics requiring a minimal footprint battery.

Performance and Reliability

The CR1216’s lithium manganese dioxide chemistry offers consistent discharge performance and excellent storage stability. It’s designed for low-drain applications where even small voltage drops could disrupt operation.

Voltage Stability

Provides a steady 3V for most of its lifespan, ensuring accuracy and consistency in performance-critical devices.

Temperature Endurance

Performs reliably between -20°C and +60°C, suitable for both indoor use and devices that may be exposed to outdoor conditions.

Comparing the CR1216 to Other Coin Cells

The CR1216 is thinner and lower capacity than the CR1220 and CR1225, but its ultra-slim design allows it to fit in devices with very tight battery compartments.

Battery Type	Diameter	Thickness	Capacity	Common Uses
CR1216	12 mm	1.6 mm	~25 mAh	Watches, calculators, slim medical devices
CR1220	12 mm	2.0 mm	~35 mAh	Watches, calculators, sensors
CR1225	12 mm	2.5 mm	~50 mAh	Watches, medical devices, remotes

Proper Storage and Handling

Store CR1216 batteries in a cool, dry environment, away from heat sources and direct sunlight. Keep them in original packaging until use to avoid short-circuiting and preserve capacity.

Replacing a CR1216 Battery

1. Locate the battery compartment on your device.
2. Open it carefully using the correct tool.
3. Check the polarity before removing the old battery.
4. Insert the new Maxell CR1216 with correct orientation.
5. Secure the compartment and confirm device operation.

Environmental Considerations

Dispose of used CR1216 batteries through approved recycling programs. Lithium coin cells contain materials that should not be placed in household waste.

Conclusion

The Maxell CR1216 is a specialized coin cell designed for ultra-compact electronics requiring dependable, long-lasting power. Whether it’s keeping a slim watch running precisely, powering a calculator for daily use, or supporting a compact medical device, the CR1216 delivers consistent performance backed by Maxell’s reputation for quality. With its ultra-thin design, steady voltage, and long shelf life, it’s an excellent choice for applications where space and reliability are equally important.