CR2430 vs CR2450:What are Differences and Are They Interchangeable

Lithium coin cell batteries play a crucial role in powering a wide array of electronic devices, from watches and remote controls to medical equipment and industrial sensors. In this comprehensive guide, we delve into the differences between CR2430 and CR2450 batteries, exploring their specifications, advantages, and applications. Understanding these distinctions can help consumers make informed decisions when selecting the appropriate battery for their specific needs.

What is CR2430 

The CR2430 battery is a non-rechargeable Lithium Manganese Dioxide (LiMnO2) button/coin-cell battery, characterized by its physical dimensions of approximately 24.5 x 3.0 mm (~0.9646 x 0.1181 inches). It possesses a nominal voltage of 3.0 volts and a cutoff voltage of 2.0 volts, with a nominal capacity typically ranging from approximately 270 to 320 mAh, subject to various factors such as battery age, storage temperature, and drain conditions.

Standard discharge current for CR2430 batteries is approximately 0.2 mA, while pulse current varies depending on the pulse length, typically falling within the range of 7-15 mA. Thanks to its Lithium Manganese Dioxide chemistry, the CR2430 battery exhibits a very low self-discharge rate at room temperature, offering a shelf life of 5-10 years for most brands. However, increased storage or discharge temperatures can accelerate self-discharge rates.

CR2430 batteries are commonly identified by labels such as CR2430 (IEC) and 5011LC (ANSI), although other labels are also utilized for batteries of similar size and chemistry. Alternative labels like DL2430, ECR2430, and others are often employed by different battery brands, although they are essentially standard CR2430 batteries.

What is CR2450

The CR2450 battery, governed by the rigorous standards of the International Electrotechnical Commission (IEC), is a distinguished button-type lithium manganese dioxide cell renowned for its superior performance. Composed of lithium metal as the anode and manganese dioxide as the cathode, it boasts a robust energy density and enduring stability, making it an ideal power source for various electronic devices.

Physically, the CR2450 features a compact button-like design, measuring 24.5 mm in diameter and 5.0 mm in thickness. This cylindrical form factor, coupled with its strategic dimensions, ensures seamless integration and ease of replacement in a wide array of devices.

Electrical characteristics of the CR2450 are equally noteworthy. With a nominal voltage of 3.0 volts and an open circuit voltage ranging between 3.1 to 3.3 volts, it aligns perfectly with most 3-volt electronic applications. Its rated current of 0.2mA makes it ideal for low-energy devices, such as remote controls and small sensors.

Versatility is a key attribute of the CR2450, offering a broad output current spectrum ranging from 0.001mA to 5mA. It can sustain a continuous output current of up to 15mA and handle momentary flash outputs of up to 30mA, making it suitable for a diverse range of electronic products requiring light emission, sound production, or radio frequency output.

Moreover, the CR2450 exhibits a rated capacity exceeding 520mAh as per IEC standards. This metric signifies its ability to deliver consistent power output under standardized conditions, highlighting its reliability and efficiency across various applications.

The CR2450 battery is identified by labels such as CR2450, 5029LC, DL2450, ECR2450, CR2450N, CR-2450, CR2450EL, among others, denoting its positive electrode of manganese dioxide and negative electrode of lithium. These labels ensure compatibility and facilitate easy identification for consumers across different brands and applications.

CR2430 vs CR2450: Specifications

CR2430 specifications

• Classification: "Lithium Coin"
• Chemical System: Lithium / Manganese Dioxide (Li/MnO2)
• Designation: ANSI / NEDA-5011LC, IEC-CR2425
• Nominal Voltage: 3.0 Volts
• Typical Capacity: 320 mAh (to 2.0 volts)
• (Rated at 15K ohms at 21°C)
• Typical Weight: 4.6 grams (0.16 oz.)
• Typical Volume: 1.3 cubic centimeters (0.08 cubic inch)
• Max Rev Charge: 1 microampere
• Energy Density: 183 milliwatt hr/g, 647 milliwatt hr/cc
• Typical Li Content: < 0.3g
• Operating Temp: -30C to 60C
• Self Discharge: ~1% / year

CR2450 specifications

• Classification: "Lithium Coin"
• Chemical System: Lithium / Manganese Dioxide (Li/MnO2)
• Designation: ANSI / NEDA-5029LC, IEC-CR2450
• Nominal Voltage: 3.0 Volts
• Typical Capacity: 620 mAh (to 2.0 volts)
• (Rated at 7.5K ohms at 21°C)
• Typical Weight: 6.8 grams (0.22 oz.)
• Typical Volume: 2.4 cubic centimeters (0.14 cubic inch)
• Max Rev Charge: 1 microampere
• Energy Density: 183 milliwatt hr/g, 647 milliwatt hr/cc
• Typical Li Content: < 0.3g
• Operating Temp: -30C to 60C
• Self Discharge: ~1% / year

CR2430 vs CR2450: Compare Chart

CR2430 vs CR2450: Features

• Chemical System: Both CR2430 and CR2450 batteries utilize a Lithium / Manganese Dioxide (Li/MnO2) chemical system, ensuring efficient and reliable power output.
• Nominal Voltage: Both batteries have a nominal voltage of 3.0 Volts, providing consistent power for various applications.
• Capacity: CR2430 has a typical capacity of 320 mAh (to 2.0 volts), while CR2450 has a typical capacity of 620 mAh (to 2.0 volts). CR2450 offers a significantly higher capacity compared to CR2430.
• Weight: CR2430 weighs approximately 4.6 grams (0.16 oz.), while CR2450 weighs approximately 6.8 grams (0.22 oz.). CR2430 is lighter compared to CR2450.
• Operating Temperature: Both batteries are designed to operate within a temperature range of -30°C to 60°C, ensuring usability in various environmental conditions.

CR2430 vs CR2450: Equivalents

Equivalent batteries for CR2430 and CR2450, along with their respective designations, are as follows:

CR2430 Equivalents:

• DL2430
• ECR2430
• KCR2430
• KECR2430
• BR2430
• KL2430

CR2450 Equivalent:

DL2450

These equivalents provide users with options when selecting replacement batteries for their devices, ensuring compatibility and reliable performance.

CR2430 vs CR2450 Application

CR2430 Applications:

• Wearable Devices: CR2430 batteries are often found in wearable technology such as fitness trackers, smartwatches, and medical devices.
• Remote Controls: Many remote controls for electronics like TVs, DVD players, and air conditioners use CR2430 batteries for their compact size and long-lasting power.
• Key Fobs: Car key fobs, garage door openers, and other wireless entry systems frequently utilize CR2430 batteries.
• Small Electronics: Compact gadgets such as digital thermometers, calculators, and small electronic toys often rely on CR2430 batteries for their power needs.

CR2450 Applications:

• Electronic Devices: CR2450 batteries are commonly used in various electronic devices such as digital cameras, handheld gaming devices, and small kitchen appliances.
• Security Devices: CR2450 batteries power security devices like wireless door and window sensors, motion detectors, and security cameras.
• Health and Fitness Equipment: Heart rate monitors, glucose meters, and other health monitoring devices frequently use CR2450 batteries.
• Industrial Sensors: CR2450 batteries are suitable for powering various industrial sensors and monitoring equipment due to their reliability and long-lasting power.

CR2430 vs CR2450 Package Dimensions and Size

In comparing the CR2430 and CR2450 batteries, while both share the same diameter of 24.5 mm, their height and positive electrode dimensions exhibit notable distinctions. The CR2430 measures 3.0 mm in height, whereas the CR2450 stands taller at 5.0 mm. Additionally, the positive electrode diameter of the CR2430 is approximately 20 mm, while the CR2450 boasts a larger positive electrode diameter of around 22.0 mm, with a protrusion height of 0.75 mm. These differences underscore the CR2450's increased size and potential for longer service life compared to the CR2430, despite their similar diameter.

CR2430 dimensions

CR2450 dimensions

FAQ: Can I Replace a CR2430 Battery with a CR2450?

Yes, you can replace a CR2430 battery with a CR2450 battery, with some considerations. Both batteries share the same nominal voltage of 3 volts, making the CR2450 a compatible substitute for the CR2430. However, there are differences in size and capacity between the two.

The CR2450 is slightly thicker and taller than the CR2430. While the diameter remains the same at 24.5 mm, the CR2450 is 5 mm thick compared to the CR2430's 3 mm thickness. Additionally, the CR2450 typically has a higher capacity, offering around 620 mAh compared to the CR2430's 300 mAh.

Before replacing a CR2430 with a CR2450, ensure that the device's battery compartment can accommodate the larger size of the CR2450. While the voltage remains consistent, the increased thickness may pose compatibility issues in devices with tight battery compartments.

Overall, while the CR2450 can serve as a suitable replacement for a CR2430, it's essential to consider the size difference and potential compatibility issues before making the switch. Always refer to the device's specifications and manufacturer recommendations for optimal battery compatibility.

Advantages and Disadvantages of CR2430 vs CR2450 Batteries

CR2430:

Advantages:

• Compact Size: The CR2430 battery is relatively slim and lightweight, making it suitable for devices with limited space, such as remote controls and small electronic gadgets.
• Lower Cost: Compared to larger batteries like the CR2450, the CR2430 is often more affordable, offering cost-effective power solutions for various applications.
• Compatibility: The CR2430 is widely used and readily available, making it easy to find replacements when needed for common devices like watches, calculators, and key fobs.
• Balanced Capacity: While it may not have the highest capacity, the CR2430 strikes a balance between size and performance, offering sufficient power for many everyday electronics.

Disadvantages:

• Limited Capacity: Due to its smaller size, the CR2430 typically has a lower capacity compared to larger batteries like the CR2450, resulting in shorter runtime for high-drain devices.
• Replacement Frequency: The lower capacity means the CR2430 may need to be replaced more frequently, especially in devices with higher power demands, leading to more frequent battery changes.
• Compatibility Issues: Some devices may specifically require larger batteries like the CR2450, and using the CR2430 as a substitute may result in poor performance or compatibility issues.

CR2450:

Advantages:

• High Capacity: The CR2450 boasts a larger capacity compared to the CR2430, providing longer runtime and better performance, especially in high-drain devices like digital cameras and medical devices.
• Extended Lifespan: With its higher capacity, the CR2450 generally lasts longer between replacements, reducing the frequency of battery changes and providing greater convenience.
• Versatility: The CR2450's larger size and capacity make it suitable for a wider range of devices, from watches and key fobs to electronic scales and remote controls.
• Compatibility: While it may not fit in every device designed for smaller batteries like the CR2430, the CR2450 is compatible with many common applications, offering flexibility in usage.

Disadvantages:

• Larger Size: The CR2450 is thicker and larger than the CR2430, which may pose compatibility issues in devices with limited space or specific size requirements.
• Higher Cost: Due to its larger capacity and higher performance, the CR2450 tends to be more expensive than the CR2430, potentially increasing overall operating costs for devices that require frequent battery replacements.
• Limited Availability: While the CR2450 is widely used, it may not be as readily available as smaller batteries like the CR2430, especially in remote or specialized markets, leading to potential inconvenience when sourcing replacements.

In summary, the choice between CR2430 and CR2450 batteries depends on factors such as device compatibility, power requirements, and cost considerations. While the CR2450 offers higher capacity and longer runtime, the CR2430 provides a more compact and cost-effective solution for certain applications.

Safety Tips for CR2430 and CR2450 Batteries

Handling lithium batteries, like CR2430 and CR2450, requires caution to prevent accidents. Here are some simple safety guidelines:

Avoid Contact and Short Circuits: Don't stack batteries or let their terminals touch metal surfaces to prevent short circuits and overheating.

Dispose Properly: Never burn batteries. Recycle or dispose of them following local guidelines to avoid explosions or fires.

Control Temperature: Keep batteries away from high heat to prevent leakage or short circuits.

Don't Weld: Avoid welding on batteries as it can damage them, leading to leaks or explosions.

Charge Safely: Use approved chargers and follow instructions to prevent accidents during charging.

Don't Disassemble: Never take batteries apart as it can release harmful gases or cause explosions.

Handle Gently: Avoid squeezing or deforming batteries to prevent leaks or short circuits.

Use Matching Batteries: Don't mix different types of batteries, and always install them correctly to avoid damage or accidents.

Following these simple tips can help ensure safe handling and usage of CR2430 and CR2450 batteries.

Datasheet

CR2430 datasheet PDF here>>

CR2450 datasheet PDF here>>

Manufacturer

CR2430 and CR2450 batteries are manufactured by various companies producing lithium coin cell batteries, including,

• Panasonic
• Energizer
• Duracell
• Sony
• Maxell
• Renata
• GP Batteries
• Toshiba
• Varta
• Seiko Instruments

These manufacturers adhere to industry standards and produce batteries that meet specific criteria outlined by organizations like the International Electrotechnical Commission (IEC) and the American National Standards Institute (ANSI).

Conclusion

In conclusion, while both CR2430 and CR2450 batteries offer reliable power solutions for various electronic devices, they cater to different requirements based on size, capacity, and compatibility. The CR2430 excels in applications where compact size and cost-effectiveness are paramount, while the CR2450 shines in devices demanding higher capacity and longer runtime.

Further Reading:

CR1620 vs CR1632: What are Differences and How to Choose