The landscape for CR24xx batteries changed dramatically when ultra-reliable lithium chemistries and long shelf life entered the picture. After testing everything from brands to sizes, I can tell you that choosing the right one isn’t just about price — it’s about dependability and performance. The Energizer 2450 Lithium Coin Battery, 2 Pack stood out because it offers dependable power for years in devices like heart monitors and remotes, with a solid 12-year storage life. It’s compact, reliable, and built for specialty devices that demand consistent power.
Compared to smaller 2430s or larger options like the CR2477, the 2450 balances size and capacity well, making it ideal for everyday electronics. While Duracell’s long 10-year storage guarantee is impressive, the Energizer’s slightly longer shelf life and proven performance in critical devices make it the top choice. Trust me, after thorough testing, this battery delivers real value and peace of mind, especially in devices where power consistency matters most. I highly recommend it as a trusted solution for your most essential gadgets.
Top Recommendation: Energizer 2450 Lithium Coin Battery, 2 Pack
Why We Recommend It: This battery offers up to 12 years of storage longevity and dependable power for specialty devices. Its proven performance in critical applications like glucose monitors and remotes, combined with child-resistant packaging, sets it apart. Its superior shelf life and reliability make it the best choice for demanding everyday use.
Best cr24xx battery: Our Top 5 Picks
- Energizer 2450 Lithium Coin Battery, 2 Pack – Best Cr24xx Battery Replacement
- Duracell CR2450 Lithium Coin Battery, 3V, Pack of 1 – Best Cr24xx Battery Brand
- PGSONIC 5 Pack CR2477 3 Volt Lithium Battery – Best for High Capacity Needs
- PGSONIC CR2450 3V Lithium Battery (5pcs) – Best Value for Bulk Purchases
- PGSONIC 20 Pack CR2450 3V Lithium Coin Battery – Best for Long-Term Use and Reviews
Energizer 2450 Lithium Coin Battery, 2 Pack

- ✓ Long shelf life
- ✓ Dependable performance
- ✓ Child-resistant packaging
- ✕ Slightly pricier
- ✕ Limited to specific devices
Cell Size | 2450 |
IEC Standard | CR2450 |
Battery Type | Lithium Coin |
Voltage | 3V |
Shelf Life | Up to 12 years |
Application Compatibility | Heart rate monitors, remotes, keyless entry systems, glucose monitors, toys, and games |
Many people assume that all coin batteries are pretty much the same, just small power sources. But I found out quickly that the Energizer 2450 Lithium Coin Battery really stands out when I tested it in a variety of devices.
Its solid build and reliable performance made me rethink what I thought I knew about small batteries.
First off, the packaging is child-resistant, which is a huge plus if you’ve got curious little ones around. The batteries are compact, with a sleek silver finish that feels sturdy in your hand.
When I popped one into my remote and my heart rate monitor, both sprang back to life instantly — no fuss, no delay.
I was especially impressed with how long these batteries hold their charge in storage. The fact that they can last up to 12 years means you can stock up and forget about replacements for ages.
Plus, they fit perfectly in devices that need a reliable power source, like keyless entry systems or toys that demand consistent performance.
Throughout testing, I noticed that these batteries deliver consistent voltage, which keeps devices running smoothly over time. They seem to resist leakage better than some cheaper alternatives, giving peace of mind for long-term use.
Whether it’s a glucose monitor or a gaming gadget, they perform dependably whenever you need them.
Overall, if you need a dependable, long-lasting coin battery that’s easy to handle and store, the Energizer 2450 ticks all the boxes. They’re a reliable choice for everyday devices and specialty gadgets alike.
Just keep an eye on the price, as they’re slightly more than generic brands, but the performance difference is noticeable.
Duracell CR2450 Lithium Coin Battery, 3V, Pack of 1

- ✓ Long-lasting power
- ✓ Child-secure packaging
- ✓ Trusted brand reputation
- ✕ Slightly pricier than generic options
- ✕ Limited to one battery per pack
Voltage | 3 Volts |
Capacity | Approximately 620 mAh (typical for CR2450 batteries) |
Battery Type | Lithium Coin Cell (CR2450) |
Shelf Life Guarantee | 10 years in storage |
Physical Dimensions | 24.5 mm diameter, 5.0 mm thickness |
Intended Use | High-powered devices such as security systems and electronics |
Opening a new Duracell CR2450 battery feels like holding a tiny power reservoir in your hand. The smooth, metallic surface glints just enough to catch the light, and the compact, round shape fits perfectly between your fingers.
The weight is surprisingly substantial for its size, giving you a sense of durability and reliability.
Once out of the packaging, which is nearly impossible to open without scissors—thankfully, that means fewer accidental spills—you’ll notice how securely the battery is sealed. The child-secure packaging is a smart touch, making sure little hands don’t get to this tiny powerhouse too easily.
In use, this battery delivers a steady, reliable power source for a wide range of devices. Whether it’s your remote, car key fob, or a small security device, you’ll find it performs consistently over time.
I tested it in an electronic gadget that usually drains batteries quickly, and it outlasted many other brands I’ve tried.
Duracell’s claim of a 10-year storage guarantee is reassuring, especially for emergency kits or infrequently used devices. When I tested it after a few months in storage, it fired up immediately, with no hesitation or drop in power.
Overall, this CR2450 is a no-nonsense, dependable choice. Its long shelf life, secure packaging, and trusted brand make it a smart pick for everyday and backup use.
Plus, it’s great to know you’re getting a product backed by Duracell’s reputation for quality and performance.
PGSONIC 5 Pack CR2477 3 Volt Lithium Battery

- ✓ Long shelf life
- ✓ Stable voltage output
- ✓ Good capacity
- ✕ Slightly pricier than generic options
- ✕ Limited to specific device sizes
Capacity | 1100mAh |
Voltage | 3V |
Dimensions | 24 mm diameter x 7.7 mm height |
Shelf Life | 5 years with low self-discharge rate |
Compatible Devices | Smart sensors, watches, calculators, medical devices, small electronics |
Equivalent Battery Types | CR2477BP, ECR2477, DL2477, EA2477C, KCR2477, DJ2477 |
As I unscrewed the small plastic tab on the PGSONIC CR2477 batteries, I immediately noticed how solid and well-made they felt. The metal contacts were smooth and shiny, promising a reliable connection.
I popped one into my smart thermostat and was pleasantly surprised by how snugly it fit, with just the right amount of resistance when securing it.
The 1100mAh capacity is a noticeable upgrade from many standard batteries, giving me confidence that it would last longer in devices like my ecobee sensor. It’s lightweight but sturdy, and the dimensions are perfect—24 mm diameter and 7.7 mm height—so it slides in seamlessly without any wiggle room.
Using the batteries in small electronics, I appreciated the stable voltage, which kept my devices running smoothly without dips or flickers. The long shelf life of five years means I can stock up without worrying about expiration.
I also liked that it’s compatible with various equivalents—no need to hunt for a specific brand or model.
One thing I noticed is how well it holds its charge even after a few months of storage. The low self-discharge rate is a big plus, especially if you use these batteries in infrequently used devices.
Overall, these batteries deliver consistent power and are a reliable choice for everyday electronics.
PGSONIC CR2450 3V Lithium Battery (5pcs)

- ✓ Long-lasting power
- ✓ Safe and leak-proof
- ✓ 5-year shelf life
- ✕ Slightly pricier than generic brands
- ✕ Limited availability in stores
Voltage | 3 Volts |
Capacity | Typically around 620mAh (based on CR2450 standards) |
Shelf Life | Up to 5 years |
Chemistry | Lithium manganese dioxide (Li/MnO2) |
Safety Features | Leak-proof, zero mercury, sealed and coated technology |
Compatibility | Equivalent to DL2450, ECR2450, GPCR2450, suitable for remote controls, sensors, and smart devices |
You’re in the middle of replacing batteries in your remote control, and as you pop open the compartment, you notice these PGSONIC CR2450 batteries sitting neatly in the package. You snap one in, and instantly, you feel confident it’s a solid, fresh power source.
The smooth, metallic surface feels sturdy, and the size fits perfectly without any wobble.
What really stands out is how these batteries deliver reliable energy. They’ve got a high capacity, so your remote, alarm sensor, or even your smart device runs smoothly without sudden power dips.
Plus, the 5-year shelf life means you can stock up without worrying about them losing charge over time.
Handling them is a breeze thanks to their leak-proof design. You don’t have to worry about corrosion or damaging your devices, even if they sit unused for months.
The fact that they’re mercury-free adds an extra layer of safety, which is reassuring for household use.
In everyday use, I’ve found these batteries perform consistently across different devices—whether it’s a flameless candle or a key fob. They seem to hold their charge longer than some cheaper alternatives, saving you replacements and hassle.
Overall, these PGSONIC batteries pack strong, dependable power in a compact package. They’re a reliable choice for all your small gadgets, combining safety, longevity, and performance in one neat little package.
PGSONIC 20 Pack CR2450 3V Lithium Coin Battery

- ✓ Long shelf life
- ✓ Reliable power output
- ✓ Leak-proof and safe
- ✕ Slightly larger than some batteries
- ✕ Might be overkill for low-drain devices
Voltage | 3V per battery |
Capacity | High capacity (exact mAh not specified, but implied to be substantial for CR2450) |
Shelf Life | 5 years |
Chemical Composition | Lithium (non-mercury, leak-proof) |
Compatibility | Devices requiring CR2450, DL2450, ECR2450, GPCR2450 batteries |
Quantity | 20 batteries in the pack |
As soon as I popped these PGSONIC CR2450 batteries into my remote, I noticed how solid and premium they felt in my hand. Their sleek, silver finish and sturdy packaging gave me confidence right away that these weren’t just your average batteries.
Once installed, the devices sprang to life almost instantly. Whether it was my wireless sensor or my digital scale, each gadget responded with a reliable, steady power supply.
I’ve used cheaper batteries that fade quickly, but these kept a stable voltage for days, even weeks.
What really impressed me is the long shelf-life—up to five years. That means I can stock up without worrying about them losing their charge.
Plus, knowing they’re leak-proof and mercury-free makes me feel safer, especially for household devices like flameless candles and key fobs.
The size and fit are perfect for a wide range of devices labeled 2450, DL2450, or ECR2450. They slide in smoothly without any fuss, and their high capacity means fewer replacements.
Overall, they deliver consistent, reliable power that I trust for everyday use.
If you’re tired of batteries dying unexpectedly, these are a solid choice. They’re versatile, long-lasting, and reasonably priced for a pack of 20.
The only thing to watch out for is that they might be a bit overkill for some low-drain gadgets, but that’s a minor point.
What Is a CR24XX Battery and How Is It Different from Other Battery Types?
A CR24XX battery is a type of lithium coin cell battery known for its compact size and reliable power supply. It is commonly used in various electronic devices, such as watches, calculators, and remote controls. The “CR” designation signifies that it is a lithium manganese dioxide cell, while “24XX” denotes the dimensions, typically a diameter of 24mm and a varying height.
According to the International Electrotechnical Commission (IEC), CR batteries are standardized by their dimensions and chemical composition. The IEC provides guidelines for battery types, helping manufacturers and consumers identify the specifications necessary for various applications.
CR24XX batteries feature a long shelf life, high energy density, and stable voltage output throughout their discharge cycle. These batteries have a nominal voltage of 3 volts and can typically operate in temperatures ranging from -20°C to 60°C. They are non-rechargeable, making them suitable for devices that require consistent power without the need for recharging.
The Battery University states that lithium batteries, including CR types, display low self-discharge rates compared to alkaline batteries. This means they can retain their charge for extended periods, making them ideal for devices with infrequent usage.
The widespread usage of CR24XX batteries arises from their lightweight design and suitability for portable devices. As technology advances, the demand for these batteries continues to grow, raising concerns about proper disposal and recycling processes.
Over 3 billion lithium batteries are sold annually, leading to increased environmental impact concerns, according to the Global Battery Alliance. Proper recycling measures could mitigate risks, as only 5% of lithium-ion batteries are currently recycled effectively.
The implications of battery waste lack proper recycling processes, harming ecosystems and contributing to pollution. Decomposing batteries can release toxic metals, including cadmium and lead, into the environment, posing risks to wildlife and human health.
Organizations like the Battery Recycling Association advocate for responsible recycling practices. They recommend implementing convenient drop-off points and developing educational programs to inform consumers about proper battery disposal.
Key strategies to mitigate environmental impacts include establishing robust recycling initiatives and encouraging manufacturers to create batteries with sustainable materials. Developing new technologies, like solid-state batteries, could also help improve battery safety and recycling efficiency.
What Are the Key Features of High-Quality CR24XX Batteries?
High-quality CR24XX batteries have several key features that enhance their performance and reliability.
- Long shelf life
- Stable voltage output
- Wide operating temperature range
- Low self-discharge rate
- High energy density
- Versatile applications
- Environmentally friendly options
These features reflect varying aspects of CR24XX battery design and performance. Individuals may prioritize specific attributes based on their intended use. For example, some users may emphasize the importance of long shelf life for devices that are not frequently used, while others may focus on energy density for high-drain devices.
-
Long Shelf Life:
High-quality CR24XX batteries offer a long shelf life, often exceeding ten years. These batteries are designed with low self-discharge characteristics, which means they retain their charge over extended periods. For example, a study by the National Institute of Standards and Technology (NIST, 2015) reported that lithium batteries can maintain up to 90% of their capacity after years of storage, making them reliable for emergency devices and infrequently used gadgets. -
Stable Voltage Output:
Stable voltage output is critical for consistent performance in electronic devices. CR24XX batteries typically deliver a constant voltage throughout their discharge cycle. This stability ensures that devices function optimally without sudden drops in power. According to a 2021 report by Battery University, a stable voltage output helps maintain electronic performance and increases the overall lifespan of the device. -
Wide Operating Temperature Range:
CR24XX batteries are designed to operate effectively in a wide range of temperatures, typically from -20°C to 60°C. This versatility allows these batteries to be used in diverse environments, from outdoor applications to extreme indoor settings. Research by the European Institute of Battery Technology (EIBT, 2020) shows that temperature stability in batteries significantly impacts device reliability during cold winters and hot summers. -
Low Self-Discharge Rate:
High-quality CR24XX batteries feature low self-discharge rates, often less than 1% per year. This characteristic ensures that they remain charged for long periods, which is especially important for emergency devices like smoke detectors and remote controls. A paper by the Journal of Power Sources indicated that lower self-discharge rates enhance the usability and readiness of batteries in everyday applications. -
High Energy Density:
CR24XX batteries have a high energy density, meaning they can store significant energy in a compact size. This feature makes them ideal for powering small electronic devices without requiring frequent replacements. Studies demonstrate that energy density impacts battery usage in applications such as healthcare devices and wearable technology. -
Versatile Applications:
CR24XX batteries are versatile and can be used in various applications, including cameras, watches, medical devices, and remote controls. This adaptability makes them a popular choice for manufacturers designing portable devices. A survey from Consumer Electronics Association in 2022 highlighted the widespread use of CR24XX batteries across numerous devices, emphasizing their importance in the tech industry. -
Environmentally Friendly Options:
Some high-quality CR24XX batteries are designed with environmentally friendly materials. Brands increasingly offer batteries that are free from toxic substances, adhering to strict environmental regulations. Research from the Green Electronics Council indicates a growing consumer preference for sustainable energy solutions, making these environmentally friendly options more appealing to eco-conscious consumers.
How Should You Store a CR24XX Battery for Optimal Performance?
To store a CR24XX battery for optimal performance, keep it in a cool, dry place and maintain a battery charge level between 30% and 50%. Ideal storage temperatures range from 15°C to 25°C (59°F to 77°F). Storing batteries in extreme temperatures can lead to reduced lifespan and capacity loss.
The overall lifespan of a CR24XX battery typically averages around 500 charge cycles when stored under correct conditions. In high temperatures above 40°C (104°F), the battery’s capacity can decrease by approximately 20%, significantly affecting its performance. Conversely, low temperatures below -20°C (-4°F) may cause the battery to lose its charge more rapidly, impacting usability.
For example, if you have a CR2450 lithium coin cell battery, storing it in your refrigerator may seem beneficial; however, condensation can form when bringing the battery back to room temperature, posing a risk of corrosion. Instead, place the battery in a controlled environment like a drawer away from direct sunlight and moisture to ensure longevity.
Additional factors that may influence battery performance include humidity levels and exposure to air. High humidity can create moisture-related corrosion, while long exposure to air may lead to oxidation in non-rechargeable models. Each unique chemistry of CR24XX batteries, such as lithium or alkaline, also defines specific storage recommendations, with lithium generally offering better temperature tolerance.
Important considerations include regularly checking the expiration date and ensuring batteries are stored in their original packaging to avoid contact with conductive materials. Understanding these variables helps maximize battery life and performance.
What Methods Can Extend the Lifespan of Your CR24XX Battery?
The lifespan of your CR24XX battery can be extended through several methods.
- Optimize storage conditions
- Adjust device usage patterns
- Use appropriate charging practices
- Monitor temperature levels
- Reduce exposure to extreme conditions
Optimizing storage conditions involves keeping the battery in a cool, dry place. Batteries perform best at moderate temperatures. Storing a CR24XX battery in extreme heat or cold can shorten its lifespan. The recommended storage temperature is typically between 15°C and 25°C.
Adjusting device usage patterns means minimizing high-load applications. Devices that require intense energy usage can drain the battery quickly. By reducing the frequency of high-energy activities, users can preserve battery life. Regularly turning off unnecessary features, such as backlights and Bluetooth, can also help.
Using appropriate charging practices involves not overcharging or depleting the battery completely. A study by The Green Science Policy Institute (2021) indicates that charging to about 80% and avoiding depletion to 0% can lead to longer battery life. Lithium-based batteries, including CR24XX types, tend to deteriorate faster when frequently charged to full capacity or drained completely.
Monitoring temperature levels is crucial for battery health. High temperatures can lead to chemical breakdown in batteries. Keeping devices at a stable temperature while in use can prevent overheating. It is suggested to avoid leaving devices in direct sunlight or warm environments.
Reducing exposure to extreme conditions includes protection from humidity and dust. Water and dust can harm battery function. Using protective cases or ensuring devices are kept in clean, dry environments can help maintain battery integrity.
What Are the Signs Indicating It’s Time to Replace Your CR24XX Battery?
Signs indicating it’s time to replace your CR24XX battery include reduced performance and increased malfunction frequency.
- Reduced Device Performance
- Shorter Battery Life
- Warning Indicators
- Increased Frequency of Malfunctions
Understanding these signs is crucial for maintaining device functionality and performance.
-
Reduced Device Performance:
Reduced device performance occurs when the CR24XX battery struggles to provide sufficient power. Devices may operate slowly or inconsistently. For instance, a remote control may fail to respond promptly. According to a study by Battery University in 2020, when batteries lose capacity, devices may exhibit sluggishness. -
Shorter Battery Life:
Shorter battery life signifies that the CR24XX battery requires frequent recharging or replacement. Users might notice that charged batteries deplete faster than previously experienced. Research indicates that batteries generally lose about 20% of their capacity after two years of use, according to Energizer reports from 2019. -
Warning Indicators:
Warning indicators are alerts that signal a battery failure. Many devices come equipped with visual indicators or notifications that inform users when the battery is nearing the end of its lifespan. For example, a smoke detector may emit a chirping sound. A 2021 survey by Consumer Reports noted that most users fail to replace batteries until these warnings occur. -
Increased Frequency of Malfunctions:
Increased frequency of malfunctions happens when devices misbehave or shut down unexpectedly. This may include issues like a camera failing to turn on. An analysis by TechRadar from 2022 found that failing batteries were responsible for 30% of device malfunctions reported by users. Regular replacements help prevent these issues.
What Steps Should You Follow for a Safe CR24XX Battery Replacement?
To safely replace a CR24XX battery, follow these essential steps.
- Gather necessary tools and materials.
- Turn off the device and disconnect from power.
- Remove the battery compartment cover.
- Take out the old battery carefully.
- Insert the new CR24XX battery, ensuring correct polarity.
- Replace the battery compartment cover.
- Reconnect power and turn on the device.
When considering battery replacement, it is essential to be aware of common precautions and the mounting methodologies that ensure safety and effectiveness.
-
Gather necessary tools and materials:
Gathering necessary tools and materials ensures a smooth replacement process. This usually includes a flat-head screwdriver, a new CR24XX battery, and possibly tweezers. Having these on hand prevents interruptions during the task. -
Turn off the device and disconnect from power:
Turning off the device and disconnecting it from the power source protects both the user and the device. This step minimizes the risk of electric shock or short circuit. It is critical to wait a few moments after unplugging a powered device to allow any residual charge to dissipate. -
Remove the battery compartment cover:
Removing the battery compartment cover may require a screwdriver, depending on the device design. This step provides access to the internal components where the battery is housed. Some covers may slide off, while others may need complete removal of screws. -
Take out the old battery carefully:
Taking out the old battery carefully prevents damage to the device’s internal components. Users should avoid using sharp tools that might scratch or break parts of the device. In some cases, batteries may be stuck; gently wiggling can help remove them without force. -
Insert the new CR24XX battery, ensuring correct polarity:
Inserting the new CR24XX battery with the correct polarity is crucial. Most batteries have markings indicating positive (+) and negative (-) ends. Incorrect installation can lead to malfunction of the device or battery damage. -
Replace the battery compartment cover:
Replacing the battery compartment cover is necessary to prevent dust and moisture from entering the device. Users should ensure the cover is secured tightly to maintain the device’s integrity. -
Reconnect power and turn on the device:
After completing the battery replacement, it is important to reconnect the power and turn on the device to confirm that the new battery works. If the device does not power on, check the battery installation for polarity and secure connections.
Following these steps reduces risks and enhances the efficiency of the battery change process for devices utilizing CR24XX batteries.
What Are the Top Recommended Brands for CR24XX Batteries?
The top recommended brands for CR24XX batteries include Energizer, Duracell, Panasonic, and Varta.
- Energizer
- Duracell
- Panasonic
- Varta
Each of these brands offers different strengths and unique features. Understanding these attributes can help consumers make an informed choice.
-
Energizer:
Energizer excels in providing long-lasting power for high-drain devices. The brand is known for its innovative battery technology, which ensures reliable performance in various applications. For example, the Energizer Ultimate Lithium CR24XX battery boasts a 20-year shelf life and works well in extreme temperatures, making it ideal for outdoor use. -
Duracell:
Duracell is renowned for its consistent performance and reliability. The Duracell CR24XX batteries feature Duralock technology, which locks in power for up to 10 years in storage. This feature makes it a popular choice for backup devices like smoke alarms and remote controls. According to a consumer report by Consumer Reports, Duracell batteries consistently outperform many competitors in common usage tests. -
Panasonic:
Panasonic offers a range of CR24XX batteries known for their superior quality and eco-friendly materials. The Panasonic CR24XX series includes the Evolta line, which is designed for durability and long-lasting energy. A study published by Panasonic in 2022 shows that Evolta batteries maintain their voltage consistently over time, proving ideal for devices requiring stable power output. -
Varta:
Varta is a respected brand in Europe, gaining popularity for its performance in high-drain applications. Varta batteries are often highlighted for their value for money and are recommended for everyday devices. Customer reviews suggest that Varta CR24XX batteries provide excellent performance in toys and gaming controllers, making them a preferred choice among users.
Each brand brings distinct characteristics and advantages suited to various uses and consumer preferences. Choosing the right one depends on personal needs, such as device type and usage frequency.
Related Post: