Lithium Battery CR2450 Guide - Brands, Equivalents and Alternatives, Frequently Asked Questions

The Lithium 3.0V CR2450 battery is a high-capacity non-rechargeable button cell that finds extensive usage in an array of applications. These include watches, computer motherboards, medical devices, LED flashlights, toys, remote controls, car key fobs, security systems, and wearable electronics.

How does this battery maintain its reliability and consistent performance across such diverse devices? Its long shelf life plays a key role here. Moreover, the CR2450’s broad compatibility has cemented its status as a preferred power source in both consumer and professional contexts.

Catalog

haracteristics and Specifications of the CR2450 Battery

The CR2450 battery has a diameter of 24.5 millimeters and a height of 5.0 millimeters. It weighs between 5.7 and 6.3 grams. The anode is made of lithium, while the cathode is composed of manganese dioxide.

Typically labeled as CR2450, it may also carry markings such as:

• 5029LC
• DL2450
• ECR2450
• CR2450N
• CR-2450

This coin-type lithium battery is widely employed in various small electronic devices due to its dependable performance and energy density.

CR2450 and BR2450

Batteries with a carbon monofluoride cathode, such as the BR2450, have grown less common. Why is this happening? The answer lies in the advantages that have been largely overtaken by the CR2450 batteries. The CR2450 battery boasts a nominal capacity between 600-620mAh, whereas the BR2450 offers around 500-550mAh. Have you ever wondered how long these batteries could last? In terms of shelf life, the CR2450 can persist from 3 to over 10 years. Compared to major brand-name CR2450 batteries, the BR2450 batteries offer similar performance, making the BR2450 increasingly rare.

To delve deeper, the longevity and efficiency gains of CR2450 batteries have been a significant factor in their preference over BR2450. The 100mAh difference in capacity can be crucial in applications requiring extended battery life. Take medical devices, for example, where reliability is a fundamental concern. The increased capacity of CR2450 ensures a longer operation time between replacements, thereby reducing maintenance frequency and potential downtimes.

From a practical standpoint:

• Manufacturers and consumers alike have gravitated towards CR2450 due to its enhanced energy density and longer service life.
• In consumer electronics, such as remote controls and wearable devices, users have reported more consistent performance and fewer battery changes with CR2450. This is particularly beneficial in devices where battery compartment accessibility is limited or frequent replacements would be inconvenient.

What about advancements in battery technology? The adoption of CR2450 has been supported by advancements focusing on improving energy output without compromising stability and safety. These batteries have been rigorously tested in extreme conditions by various industries, validating their reliability and performance.

CR2450 vs. LiR2450

LiR2450 is the designation for a rechargeable 2450 battery with nominal voltages of 3.0V, 3.2V, 3.6V, and 3.7V. A pertinent question arises: can a 3.0V LiR2450 replace a CR2450? Yes, it can, while the 3.2V and 3.6-3.7V variants require careful consideration to avoid damaging the device.

The primary difference between CR2450 and LiR2450 hinges on their chemistry and usability:

• CR2450 is a non-rechargeable lithium coin cell with a nominal voltage of around 3.0V.
• It is typically used in long-term, low-drain applications such as remote controls, medical devices, and calculators.
• LiR2450, being rechargeable, offers versatility and cost-efficiency for applications where frequent battery replacement is not desired. Despite the higher upfront cost, it supports 500-800 recharge cycles, potentially lowering long-term costs and environmental impact.

What implications do voltage differences have? For instance, while a 3.0V LiR2450 can seamlessly replace a CR2450, the 3.2V and higher variants might risk damaging devices not designed to handle the increased voltage. This subtle yet critical distinction is often underscored by professionals in electrical engineering when advising on battery replacements. Over-voltage can lead to premature wear and potentially irreparable damage to sensitive electronics, a scenario preventable through proper voltage matching.

Practical user experiences suggest that rechargeable LiR2450 batteries should be matched carefully with compatible chargers to maximize their lifespan and performance. Can using an inferior charger degrade battery performance earlier than expected? Absolutely. Therefore, proper charging protocols play a pivotal role in maintaining the health of these batteries.

Both CR2450 and LiR2450 have specific applications and advantages:

• CR2450 excels in low-drain, long-term use.
• LiR2450 provides a rechargeable solution for more frequent usage.

CR2430 vs. CR2450 vs. CR2477

The CR2430, CR2450, and CR2477 batteries share the same diameter but differ in height and capacity:

• Heights: 3.0 mm, 5.0 mm, and 7.7 mm, respectively.
• Nominal capacities:
• CR2430: 270-290mAh
• CR2450: 600-620mAh
• CR2477: 1000mAh

Have you ever wondered why the height variation among these batteries matters? The differing battery heights and capacities bring forward diverse considerations for their usage. For devices that require a smaller power source and have tight space constraints, the CR2430 could be an optimal choice due to its slim profile.

Does the increase in battery height translate directly to energy benefits? With CR2450 batteries, offering a moderate capacity increase, often find applications in gadgets necessitating a balanced trade-off between size and energy requirements. Examples include handheld gaming devices and certain medical instruments like glucometers, where the energy storage needs to support longer operational periods without significantly altering the product’s form factor.

When delving into CR2477 batteries, the substantial capacity boost renders them suitable for high-drain devices such as smart home devices and sensors, which benefit from prolonged battery life without frequent replacements. Reflecting on user feedback, it becomes clear that for industrial applications or energy-intensive consumer electronics, CR2477 batteries can significantly enhance reliability and reduce maintenance frequency.

CR2450 vs. CR2032

The CR2450 boasts a capacity of 600-620mAh, compared to the CR2032’s 210-230mAh. They deliver identical output voltage; however, the CR2450’s greater capacity makes it ideal for high-drain devices. So, why does capacity matter so much? Simply put, higher capacity translates to fewer battery replacements, a pivotal factor in practical applications.

For electronic door locks, medical devices, and other high-drain gadgets, the CR2450 is frequently favored for its extended lifespan. This preference minimizes both the inconvenience and costs tied to frequent battery changes, especially in professional contexts where reliability is paramount. It's not just theoretical; many industries depend on steady, uninterrupted power and the CR2450 proves its worth in real-world use.

Consider medical devices like glucose meters that often use CR2450 batteries. Patients rely on these devices for consistent operation, making the extended battery life crucial. Similarly, smart home devices, like smart bulbs and sensors, benefit from the enhanced performance longevity offered by CR2450 over CR2032.

There’s a noteworthy consideration regarding the balance between the CR2450’s additional physical size and its operational advantages. Is the trade-off worth it? Users often affirm it is, particularly when device accessibility and maintenance ease are not optimal. This underscores the notion that, while CR2032 may suffice for low-drain or backup applications, the CR2450’s robust continuous usage performance stands out.

CR2450 with Solder Tabs

Certain devices utilize CR2450 batteries solder tabs. Is it advisable to purchase these pre-soldered? Absolutely, to avoid potential overheating and battery damage.

Incorrect soldering techniques can lead to overheating, reducing efficiency and shortening battery lifespan. This is critical in high-precision devices, such as medical instruments and high-performance computing equipment. Ensuring battery integrity becomes essential for device reliability.

Experienced electronics users stress the importance of avoiding direct soldering to the battery. They find that pre-attached solder tabs help maintain stable connections and prevent overheating hazards. This practice is paramount in industries where precision and reliability are non-negotiable.

Moreover, using batteries with solder tabs enhances robustness and safety. In environments where reliability is crucial, like aerospace or critical healthcare, investing in pre-soldered batteries pays off significantly in device performance and safety. It’s a testament to how seasoned practitioners prioritize components that ensure reliability and safety, a practice extending to all aspects of electronic device assembly.

CR2450 Battery Safety

CR2450 batteries can pose significant health risks if swallowed. Therefore, keeping these batteries out of reach from children and pets becomes pressing. Ensuring the proper disposal of used batteries is equally vital.

Why might children swallow small objects like button batteries? Children, with their inherent curiosity, may accidentally swallow such small items. When ingested, the battery can cause serious internal injuries, including:

• Burns in the esophagus or other vital organs
• Chemical reactions resulting in severe damage

What happens if a child swallows a button battery? Many emergency room reports have documented cases of severe damage resulting from the ingestion of button batteries. One such documented case involved a child who swallowed a button battery, necessitating emergency surgery to remove it and mitigate the damage caused by the battery's chemical leak.

Pets, like dogs, also tend to explore their environment with their mouths. If a pet ingests a CR2450 battery, it could lead to significant health complications, necessitating immediate veterinary intervention. Numerous cases highlight:

• Endoscopic removal of ingested batteries
• Surgical removal due to complications

These incidents underscore the critical importance of vigilance in households with pets.

Proper disposal of CR2450 batteries minimizes environmental contamination and reduces the risk of accidental ingestion. Common best practices include:

• Placing used batteries in a designated recycling container
• Delivering them to a local electronic waste recycling facility

In some regions, dedicated recycling programs for household hazardous waste assist in safely handling and disposing of these batteries. By following these guidelines, we can significantly reduce potential health hazards and environmental impacts.

Most Popular CR2450 Battery Brands

Battery Datasheet	Chemistry	Capacity	Operating Temperature
	Nominal and Cutoff Voltages	Discharge Current	Annual Self-Discharge Rate
Duracell DL2450	Li/Mn02	620 mAh 6k8Ω down to 2.0V @20°C	-30°C to +60°C
	3.0V/2.0V	0.42 mA @2.9V 6k8Ω @20°C	-
EEMB LiR2450	Li-ion	120 mAh	-20°C to +60°C
	3.6V/2.75V	24 mA standard continuous 120 mA max. continuous	-
Energizer CR2450	Li/Mn02	620 mAh 7k5Ω down to 2.0V @21°C	-30°C to +60°C
	3.0V/2.0V	0.39 mA @2.9V 7k5Ω @21°C 9.0 mA @2.7V 300Ω 2 sec @21°C	~1%
Maxell CR2450HR	Li/Mn02	550 mAh	-40°C to +125°C
	3.0V/2.0V	0.2 mA	-
Maxell CR2450HR-Ex	Li/Mn02	525 mAh	-40°C to +150°C
	3.0V/2.0V	0.2 mA	-
muRata CR2450	Li/Mn02	610 mAh	-30°C to +70°C
	3.0V/2.0V	0.2 mA	-
Panasonic BR2450	Li/CFx	550 mAh	-40°C to +125°C
	3.0V/2.0V	0.03 mA	-
Panasonic CR2450	Li/Mn02	620 mAh 6k8Ω down to 2.0V @20°C	-30°C to +85°C
	3.0V/2.0V	0.42 mA @2.9V 6k8Ω @20°C	-
PowerStream LiR2450	Li/Mn02	100-120 mAh	-20°C to +60°C
	3.0V/2.0V	50 mA max. continuous	-
Renata CR2450N-MFR	Li-ion	580 mAh 2k7Ω down to 2.0V @23°C	-40°C to +85°C
	3.7V/3.0V	1.3 mA standard continuous 3.0 mA max. continuous	<1%
Renata CR2450N	Li/Mn02	540 mAh 2k7Ω down to 2.0V @23°C	-40°C to +85°C
	3.0V/2.0V	0.8 mA standard continuous 3.0 mA max. continuous	<1%
Varta CR2450	Li/Mn02	620 mAh 5k6Ω down to 2.0V @20°C	-20°C to +70°C
	3.0V/2.0V	0.52 mA @2.9V 5k6Ω @20°C	<1%

Panasonic, Sony, Duracell, and Energizer are renowned brands for CR2450 batteries. But why do these brands stand out so distinctly in the market? Their capacities range from 600 to 620mAh, and their shelf lives extend from 7 to over 10 years. Have you ever considered how these specifications might impact their performance in various devices?

These brands are readily available in online stores. Interestingly, less well-known brands also offer competitive or sometimes superior performance. Could these lesser-known brands be silently challenging the market giants? However, one must be cautious of overstated specifications, which can be misleading.

Through practical usage, one can observe that established brands typically offer more consistent and reliable performance. This is especially crucial in critical applications such as medical devices and high-precision instruments. Imagine the catastrophic consequences of failure in such environments.

These established brands have undergone extensive testing and quality control, ensuring their reliability and longevity. This rigorous process adds an extra layer of trust.

Panasonic CR2450 Lithium 3.0V Battery

The Panasonic CR2450 battery operates within a versatile temperature range of -22°F to 140°F. Have you ever wondered why a consistent performance across such a wide range is significant? This capacity allows it to be reliable in various environments. Furthermore, it boasts an annual self-discharge rate of around 1% and a shelf life reaching up to 10 years. These attributes ensure its reliability over extended periods, though occasional testing for specific use cases might be advisable.

Let's delve into the specifics:

• Rated capacity: 620mAh
• Weight: 6.3 grams

In practical scenarios, the battery has frequently been deployed in devices that demand long-term reliability. Think about remote controls and IoT devices. Can its robustness in extreme temperatures truly be the ultimate factor for choosing this battery in harsh conditions? Indeed, its solid performance gives it an edge in such contexts.

Panasonic's dedication to quality shines through their stringent testing protocols and compliance with international standards. This meticulous approach perhaps stirs a professional curiosity—how exactly do these rigorous procedures enhance the battery's reliability and longevity? The answer lies in Panasonic's continuous pursuit of excellence and innovation.

Sony CR2450 Battery

The Sony CR2450 battery functions effectively in a temperature range of -22°F to 158°F. But what does this mean for device performance in extreme climates? Interestingly, this battery excels in both freezing cold and scorching heat. This ability hints at robust chemical stability.

Sony's CR2450 maintains an annual self-discharge rate of about 1%. This low rate leads to a puzzling question: How does it manage to retain 90% of its capacity even after a 10-year shelf life? This intriguing aspect certainly adds to its reliability.

With a rated capacity of 610mAh and a weight of 6.6 grams, the Sony CR2450 is adaptable for a variety of applications.

Professionals in high-tech sectors prefer Sony's batteries for their gadgets and precision instruments.

The stable performance of the CR2450 is noteworthy in:

• Electronic scales
• Car keys
• Other devices requiring dependable power sources

Duracell CR2450 Battery - DL2450 vs. CR2450

The Duracell DL2450 battery exhibits a weight of 6.3 grams. Its storage temperature ranges from 41°F to 86°F, and it operates efficiently between -22°F and 140°F. With a typical capacity of 620mAh and a continuous current draw of 0.42mA, it stands out.

Key Differences

The difference primarily lies in branding and quality assurance elements. Both batteries share similar chemical compositions and dimensions. These variations mainly depend on the manufacturer's testing standards and quality control measures.

From a practical perspective, Duracell DL2450 batteries are highly valued for their reliability and durability in electronic devices.

In critical applications like medical devices, the stability of the DL2450 under a wide temperature range (-22°F to 140°F) fosters user confidence, ensuring consistent performance in extreme environments.

The DL2450's higher typical capacity of 620mAh extends device usability, thus reducing replacement frequency and operational disruptions.

Other brands' CR2450 batteries sometimes show slight variations in capacity and efficiency. These differences can affect long-term performance, making Duracell’s consistency a significant advantage.

Choosing between DL2450 and CR2450 often hinges on specific technical requirements and device constraints. For applications demanding higher continuous current draws, verifying the specifications against manufacturer recommendations ensures compatibility and optimal performance.

Balancing cost, reliability, and performance is essential when choosing between DL2450 and CR2450 batteries. Understanding battery specs thoroughly and considering user experiences and performance reviews aids in making informed decisions.

Energizer CR2450 Battery

Energizer CR2450 batteries have a nominal capacity of 620mAh and a weight of 6.8 grams.

The annual self-discharge rate is 1%, and the shelf life exceeds 10 years.

Operating temperature ranges from -22°F to 140°F, with a typical continuous drain of 0.39mA.

The 620mAh nominal capacity makes the Energizer CR2450 suitable for devices needing long-lasting, reliable power sources.

Weighing in at 6.8 grams, the battery is ideal for portable gadgets where every gram counts. Fitness trackers and wireless sensors benefit from this lightweight design, enhancing portability and user satisfaction.

A low annual self-discharge rate of 1% signifies efficient energy retention. This aspect is crucial for emergency devices like smoke detectors and flashlights, where energy preservation is paramount. Studies indicate that consumers prefer low self-discharge rates for such applications.

The extended shelf life of over 10 years allows for long-term storage without significant charge loss. This benefit is particularly useful for bulk buyers or emergency preparedness kits, providing cost-efficiency and convenience.

Operating efficiently from -22°F to 140°F, the battery functions well under extreme conditions. Reports from users in varied climates confirm that the CR2450 maintains consistent performance, fostering trust in its resilience.

A typical continuous drain of 0.39mA showcases the battery's ability to provide steady power. This stability is crucial for wearables and sensors requiring a constant power source. User experiences corroborate the specifications, emphasizing the battery's reliability in continuous-use devices.

Varta CR2450 Battery

The Varta CR2450's capacity of 620mAh is particularly noteworthy for its compact size. This makes it suitable for a variety of small electronic devices. For instance:

• Digital watches
• Medical devices
• Small sensors

A higher milliampere-hour rating translates to longer operating times. In medical devices like glucose monitors, reliable and long-lasting power is crucial to ensure accurate readings and, more importantly, patient safety.

One remarkable feature is the Varta CR2450's wide operating and storage temperature range. Devices expected to function in extreme conditions particularly benefit. Examples include:

• Outdoor sensors
• Remote thermometers

Can a battery truly maintain its efficiency in such harsh conditions? This makes it an excellent fit for situations requiring durability, such as:

• Arctic exploration equipment
• Desert monitoring stations

From a practical viewpoint, the ability to withstand severe temperature fluctuations ensures long-term operational reliability.

The maximum continuous discharge current of 0.5mA suggests efficiency in powering low-drain devices over extended periods. This is beneficial for:

• Remote controls
• Certain IoT devices

These devices periodically send data but do not require constant power. Real-world experience shows that such batteries help minimize device maintenance and replace needs. This is particularly valuable for environmental sensors placed in remote locations.

Selecting a battery like the Varta CR2450 involves more than just electrical specifications. It’s essential to consider real-world usage scenarios. For instance: In consumer electronics, handling extreme cold and heat provides peace of mind for users operating their devices in varied climatic conditions.

Renata CR2450 Battery

The Renata CR2450N battery offers a capacity of 540mAh and weighs 5.9 grams. Interestingly, the CR2450N-MFR model provides a slightly higher capacity of 580mAh, while maintaining the same weight of 5.9 grams. These batteries function efficiently within a temperature range of -40°F to 185°F and have a self-discharge rate of less than 1%. But why do they have such a low self-discharge rate? Could it be due to their unique battery chemistry? Yes, Renata's advanced battery chemistry plays a pivotal role in maintaining low self-discharge and high stability.

Renata batteries find widespread use in a variety of electronic devices. This includes:

• Watches
• Medical devices
• Small electronics

Their versatility makes them suitable for everyday consumer needs as well as specialized industrial applications. One standout feature is their ability to perform well in extreme temperatures, which is crucial for usage in harsh environments. Does this imply that other batteries fail in such conditions? In many cases, yes, other batteries may not offer the same level of performance.

From a practical perspective, opting for the CR2450N-MFR model can be a strategic choice when longer battery life is essential. Take medical devices, for example, where reliability cannot be compromised. The additional 40mAh can extend operational time, reducing the frequency of battery replacements and ensuring patient safety. Moreover, both models share the same dimensions and weight, simplifying decision-making for manufacturers and users alike. But does this slight increase in capacity truly matter? In medical settings, where every milliampere-hour counts, it does.

Practically, many users have noted that these batteries maintain consistent performance even after long periods of inactivity. The low self-discharge rate of less than 1% makes them ideal for devices that are infrequently used but require dependable power when needed. This poses an interesting question: How do other battery brands compare in long-term reliability? Renata's robust performance sets a high standard in the industry.

The unique battery chemistry utilized by Renata enhances its stability and longevity. This feature is exceptionally beneficial for devices requiring a steady voltage output throughout their operational life. For instance, in environmental monitoring equipment, a stable energy supply is crucial for accurate data readings. Could this be the reason Renata is preferred in precision instruments? Absolutely, a consistent voltage output is vital for precise measurements.

Frequently Asked Questions [FAQ]

1. What batteries can replace CR2450?

While CR2430 can replace CR2450, it has a smaller capacity. A critical aspect when choosing a replacement is to match both the voltage and physical dimensions as closely as possible to avoid potential issues with device compatibility and performance. This is particularly crucial in devices requiring precise power delivery. Various industries have shown that even a slight deviation in battery specifications can impact the long-term reliability of sensitive equipment—is this more about the specifications or the exact fit?

2. Can I use a CR2032 in place of a CR2450?

Yes, you can use a CR2032 instead of a CR2450. However, the CR2032 has a smaller capacity and shorter lifespan. It is critical to evaluate the trade-off between convenience and functionality since the shorter duration might necessitate more frequent replacements. Notably, small electronic devices such as hearing aids often require steady and reliable power, making the careful selection of battery type a consideration of paramount importance. Is it worth the increased frequency of battery changes?

3. What is the CR2450 battery used for?

The CR2450 battery is widely used in:

• Watches
• Computer motherboards
• Medical devices
• Various other electronic gadgets

This diverse range of applications underscores the versatility of the CR2450 battery. For instance, its use in medical devices highlights its reliability and longevity, both critical in healthcare settings. Experiences in high-stakes environments, such as those found in medical technology, demand batteries that ensure continuous operation without failure—a small lapse could mean significant consequences.

4. How long can a CR2450 battery last?

If stored properly, a CR2450 battery can last between 7 to 10 years. This longevity is largely influenced by storage conditions, with proper temperature and humidity control playing crucial roles. Human practices reveal that storage in optimal conditions significantly extends battery life, minimizing degradation. For instance, logistics and inventory management in large tech companies often include detailed guidelines for battery storage to maximize shelf life—how much does this extend the battery’s usability in a practical sense?

5. How to test a CR2450 battery with a multimeter?

To test a CR2450 battery with a multimeter:

• Set the device to DC voltage mode.
• A healthy battery should provide a reading around 3.0V.

6. Are CR2450 and CR2430 interchangeable?

Generally, CR2450 and CR2430 are not interchangeable due to differences in capacity and height. The CR2430 has a smaller capacity and height, which means it might not fit securely or provide adequate power in all devices. Experiences in fields such as aerospace and automotive engineering show that even minor deviations in battery specifications can significantly impact device performance and reliability. Therefore, using the correct battery type is not just preferable but often crucial—is it always about capacity, or do other factors come into play?

7. Can the CR2450 battery be recharged?

The standard CR2450 battery is not rechargeable; however, the LiR2450, a rechargeable variant, is available. It’s important to note that the LiR2450 has a different nominal voltage and should be used with caution to avoid compromising the device’s integrity. Expertise from the electronics manufacturing realm points out that using rechargeable batteries when not specified can result in improper device function or safety risks.