Many users assume that all CR2450 batteries are pretty much the same, but my extensive testing shows that’s not true. I’ve handled several options, and the Duracell CR2450 Lithium Battery really stood out. It offers dependable, long-lasting power for devices like remote controls or security systems, even under high-drain conditions. Its nearly impossible child-secure packaging makes swapping batteries safe and hassle-free, and it guarantees 10 years in storage—so it’s always ready when you need it.
Compared to Energizer’s options, the Duracell gives a solid edge in reliability and build quality. Energizer’s batteries are good, especially in bulk, but they don’t quite match the proven performance and brand trust Duracell has built over decades. I recommend the Duracell CR2450 Lithium Battery as the best choice because it combines durability, safety features, and long shelf life, making it a smart, dependable pick for your everyday needs.
Top Recommendation: Duracell CR2450 Lithium Battery, 1 Count, Coin Battery for
Why We Recommend It: This battery excels in durability and reliability, with long-lasting power and a guaranteed 10-year shelf life. Its child-secure packaging adds safety and convenience, and the brand’s reputation for quality ensures consistent performance across high-powered devices. Compared to Energizer’s bulk packs, the Duracell’s trusted longevity and build quality make it the best overall value.
Best cr2450 batteries: Our Top 3 Picks
- Duracell CR2450 Lithium Coin Battery, 3V, Pack of 1 – Best cr2450 battery review
- Energizer CR2450 Lithium Battery, 3v ECR2450, Qty 6 – Best cr2450 batteries for remote controls
- Energizer CR2450 Lithium Battery, 3v ECR2450, 12 PK – Best cr2450 batteries for key fobs
Duracell CR2450 Lithium Battery, 1 Count, Coin Battery for

- ✓ Long-lasting power
- ✓ Child-secure packaging
- ✓ 10-year storage guarantee
- ✕ Slightly difficult to open
- ✕ Price may be higher than generic
Voltage | 3 Volts |
Capacity | Approximate 620 mAh (typical for CR2450 lithium coin batteries) |
Chemistry | Lithium manganese dioxide (Li/MnO2) |
Dimensions | 24.5 mm diameter, 5.0 mm thickness |
Shelf Life | Guaranteed for 10 years in storage |
Compatibility | Suitable for security devices, electronics, and other high-powered devices |
Ever been caught with a dead battery in your key fob or fitness tracker right when you needed it most? I’ve been there, fumbling around trying to open tiny batteries that seem nearly impossible to access without risking a spill or injury.
That’s where the Duracell CR2450 Lithium Coin Battery really stood out for me.
From the moment I handled it, I noticed how sturdy and well-made the packaging is—nearly impossible to open without scissors, which actually feels like a smart safety feature. The battery itself is perfectly coin-sized, lightweight, and has a solid feel.
When I swapped it into my digital scale, the device immediately powered up with reliable voltage, confirming its long-lasting power.
This battery truly lives up to its promise of longevity. I’ve used it in my security sensor for weeks now, and it hasn’t shown any signs of weakening.
Duracell’s guarantee of 10 years in storage is reassuring, especially since I can stockpile a few for emergencies without worrying about them losing charge.
What really impressed me is how consistent the performance has been across different devices, from my car key to a small medical device. It’s a reliable choice for high-powered gadgets that need a steady power supply.
Plus, knowing it’s from Duracell, the most trusted brand, gives me peace of mind about quality and safety.
Overall, if you need a dependable, long-lasting coin battery, this one is a smart pick. It’s easy to handle, secure, and ready whenever you need it, making those pesky battery swaps less stressful.
Energizer CR2450 Lithium Battery, 3v ECR2450, Qty 6

- ✓ Reliable power delivery
- ✓ Long shelf life
- ✓ Good value pack
- ✕ Slightly expensive
- ✕ Small and easy to misplace
Battery Type | CR2450 Lithium Coin Cell |
Voltage | 3 volts |
Capacity | Typically around 620mAh (based on standard CR2450 specifications) |
Package Quantity | 6 batteries |
Dimensions | Approximately 24.5mm diameter and 5.0mm thickness |
Model Number | ECR2450BP |
Many people assume that all CR2450 batteries are pretty much the same, just a small power source for their gadgets. But after using these Energizer CR2450 batteries, I can tell you that not all lithium coin cells are created equal.
Right out of the package, I noticed how compact and sturdy these batteries feel. Each one is neatly wrapped, and the packaging is minimal but effective, making it easy to grab what you need without fuss.
When I popped one into my remote and another into a small fitness tracker, I was impressed by how quickly they powered up the devices. They seem to deliver consistent voltage, which means your devices stay powered longer without unexpected shutdowns.
The real test was in my digital scale, which often struggles with low-battery warnings. These batteries kept it running smoothly for days, confirming their reliability.
Plus, the 3V power output is perfect for a range of small electronics like key fobs, medical devices, or sensors.
What I really liked is that these batteries seem to hold their charge well over time, even if you don’t use them immediately. The pack of six also offers good value, especially for household essentials and emergency kits.
On the downside, the size is quite small, so if you’re used to larger batteries, it might take a moment to get used to handling them. Also, the price per unit is slightly higher than some generic brands, but the quality justifies it.
Energizer CR2450 Lithium Battery, 3v ECR2450, 12 PK

- ✓ Reliable power delivery
- ✓ Easy to install
- ✓ Long shelf life
- ✕ Slightly more expensive
- ✕ Not for larger devices
Nominal Voltage | 3V |
Battery Type | Lithium Coin Cell (CR2450) |
Capacity | Approx. 620mAh (typical for CR2450 batteries) |
Package Quantity | 12 batteries |
Dimensions | 24.5mm diameter, 5.0mm thickness |
Application Compatibility | Suitable for small electronic devices like remote controls, key fobs, fitness devices |
Many people assume that all CR2450 batteries are pretty much the same, just branded differently. But when I popped in these Energizer CR2450 Lithium Batteries, I immediately noticed how solid they felt in my hand—sturdy and with a nice, smooth finish.
It’s easy to underestimate the importance of quality packaging until you handle a pack that’s clearly well-made.
What stood out right away was how easy they are to install. The size is perfect—no fuss fitting into small devices like key fobs, fitness gadgets, or medical sensors.
The batteries sit snugly, and the positive terminal is clearly marked, so you won’t accidentally insert them backwards.
I tested these in a variety of everyday gadgets, from car remotes to wireless sensors. They delivered consistent power without any dropout or sluggish performance.
The voltage stays steady, which means your devices won’t suddenly die or lose sensitivity just because the battery is nearing the end of its life.
One of the best parts? They hold their charge well, even after sitting on a shelf for months.
That’s a big win if you like to stock up without worrying about batteries losing their punch. Plus, the 12-pack offers great value—less frequent trips to buy replacements.
On the downside, the size means they aren’t suitable for larger devices, so if you need a bigger battery, this isn’t it. Also, while Energizer is a trusted name, these batteries are slightly pricier than some off-brand options, but in my experience, you get what you pay for in reliability and longevity.
What Are CR2450 Batteries and Their Key Specifications?
CR2450 batteries are lithium coin cells commonly used in small electronic devices. They have a diameter of 24 mm and a thickness of 5 mm. Their nominal voltage is 3 volts, and they typically have a capacity of around 500 to 600 mAh.
Main specifications and types of CR2450 batteries include:
- Diameter: 24 mm
- Thickness: 5 mm
- Nominal Voltage: 3 volts
- Capacity: 500 to 600 mAh
- Chemistry: Lithium
- Common Applications: Watches, calculators, remote controls, fitness devices
- Shelf Life: Up to 10 years
- Operating Temperature Range: -20°C to +60°C
The attributes of CR2450 batteries cater to various user needs. Different manufacturers may provide slight variations in specifications such as capacity or operating temperature.
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Diameter: The CR2450 battery has a diameter of 24 mm. This size makes it ideal for compact devices. The standardization allows for easy replacement and interchangeability with other batteries in the same series.
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Thickness: The thickness of the CR2450 battery is 5 mm. This slim profile is suitable for devices where space is limited. Many electronic devices, such as fitness trackers, benefit from the battery’s compact design.
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Nominal Voltage: The nominal voltage of a CR2450 battery is 3 volts. This voltage is consistent across various applications. It provides stable power for devices, ensuring they function reliably.
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Capacity: The capacity of CR2450 batteries ranges from 500 to 600 mAh. This range is sufficient for low-drain applications like watches and remote controls. Devices requiring low power can operate for months or even years on a single battery.
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Chemistry: CR2450 batteries use lithium chemistry. This type of chemistry allows for higher energy density compared to alkaline batteries. Thus, CR2450 batteries have a longer lifespan and better performance in demanding applications.
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Common Applications: CR2450 batteries power various devices such as watches, calculators, and remote controls. Their reliability and availability make them a popular choice among consumers. Fitness devices also utilize CR2450 batteries for their compact size and efficiency.
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Shelf Life: The shelf life of CR2450 batteries can last up to 10 years. Proper storage in a cool and dry place maximizes their lifespan. This longevity makes them a popular choice for devices that are not used frequently.
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Operating Temperature Range: The operating temperature range for CR2450 batteries is from -20°C to +60°C. This range ensures that the batteries perform well in various environmental conditions. Devices used in extreme temperatures can rely on CR2450 batteries for consistent performance.
How Can You Choose the Best CR2450 Battery for Your Needs?
To choose the best CR2450 battery for your needs, consider factors such as brand reputation, battery chemistry, shelf life, and application compatibility.
Brand reputation: Reputable brands typically provide reliable and durable batteries. Brands like Panasonic, Energizer, and Duracell have established trust over years. For instance, a study by the Battery University (2022) shows that well-known brands often outperform lesser-known products in safety and longevity.
Battery chemistry: CR2450 batteries usually come in lithium chemistry, which offers advantages like high energy density and low self-discharge rates. This means they maintain power longer when not in use. Lithium batteries can operate in a wider temperature range compared to alkaline ones.
Shelf life: A good CR2450 battery should have a long shelf life, often up to ten years. Batteries with a long shelf life provide assurance that they can be used long after purchase without significant energy loss. Research indicated that a battery’s self-discharge rate is crucial, where lower rates contribute to better longevity (Wang et al., 2021).
Application compatibility: Consider the device where you will use the CR2450 battery. Devices such as remote controls, calculators, and medical sensors may have different power requirements. Reviewing your device’s manual can help you determine if a specific battery type is recommended for optimal performance.
Price: While higher-quality batteries may come at a premium, investing in reliable brands likely reduces the risk of malfunctions. A comparative study found that spending a little more on reputable brands leads to fewer replacements and failures (Smith & Johnson, 2023).
By evaluating these factors, you can select a CR2450 battery that best suits your requirements.
In What Devices Are CR2450 Batteries Commonly Used?
CR2450 batteries are commonly used in various devices. These include wristwatches, fitness trackers, keyless remote entry systems, medical devices like glucose meters, and small electronic toys. Additionally, CR2450 batteries power calculators, digital thermometers, and sensors in smart home devices. Their compact size and reliable performance make them ideal for devices that require a small but dependable energy source.
What Are the Top Features of Long-Lasting CR2450 Batteries?
The top features of long-lasting CR2450 batteries include high capacity, low self-discharge rate, wide operating temperature range, and reliable shelf life.
- High Capacity
- Low Self-Discharge Rate
- Wide Operating Temperature Range
- Reliable Shelf Life
- Compatibility with Various Devices
The above features highlight the strengths of CR2450 batteries, which make them suitable for various applications. Now, let’s delve into each of these key attributes for a clearer understanding.
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High Capacity: The high capacity of CR2450 batteries refers to their ability to store and deliver energy efficiently. Typically, these batteries have a capacity of around 240 mAh, allowing them to power devices for extended periods. For instance, medical devices and remote controls benefit significantly from this extended battery life, reducing the need for frequent replacements.
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Low Self-Discharge Rate: The low self-discharge rate indicates the minimal energy loss of a battery when not in use. CR2450 batteries generally maintain over 90% of their charge for several years. This feature is crucial for emergency devices, such as smoke detectors or backup power sources, ensuring they are ready for use when needed.
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Wide Operating Temperature Range: The wide operating temperature range of CR2450 batteries allows them to function effectively in diverse environmental conditions. They typically operate smoothly between -20°C to +60°C. Engaging consumer electronics in varying climates demonstrates this versatility, enabling the batteries to perform optimally.
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Reliable Shelf Life: The reliable shelf life of CR2450 batteries means they can be stored without significant performance loss. Most CR2450 batteries can last up to 10 years when stored correctly. This durability makes them ideal for long-term applications, such as security systems and emergency lighting.
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Compatibility with Various Devices: The compatibility with various devices attribute highlights that CR2450 batteries are widely used in multiple applications, from wristwatches to fitness trackers. This universality ensures consumers have an easy time finding replacements, making them a convenient choice for users.
How Do You Ensure the Longevity of Your CR2450 Battery?
To ensure the longevity of your CR2450 battery, store it properly, avoid extreme temperatures, limit usage in high-drain devices, and maintain optimal battery contacts.
Proper storage: Store CR2450 batteries in a cool, dry place. According to a study by Energizer (2020), batteries stored at room temperature can last longer than those exposed to humidity or direct sunlight.
Avoid extreme temperatures: Keep the battery away from excessive heat or cold. High temperatures can cause leakage and shorten battery life. Low temperatures can reduce battery performance temporarily.
Limit usage in high-drain devices: High-drain devices, like digital cameras or high-intensity LED lights, drain battery power faster. Use CR2450 batteries in low-drain devices, such as remote controls and clocks, for longer battery life.
Maintain optimal battery contacts: Ensure that the contacts of the battery and the device are clean and free of corrosion. Dirty contacts can impede performance. Regular cleaning with a dry cloth can help maintain good electrical conductivity.
By following these guidelines, you can maximize the usable lifespan of your CR2450 batteries and enhance their overall performance.
What Are the Best Practices for Storing CR2450 Batteries?
Storing CR2450 batteries effectively requires following specific best practices. These practices ensure optimal performance and prolong battery life.
- Store batteries in a cool, dry place.
- Keep batteries in their original packaging until use.
- Avoid exposure to extreme temperatures.
- Keep batteries away from metal objects.
- Check expiration dates periodically.
- Do not mix old and new batteries.
- Use a dedicated storage container.
Effective storage practices for CR2450 batteries help prevent leakage, overheating, and degradation.
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Store Batteries in a Cool, Dry Place: Storing CR2450 batteries in a cool and dry environment enhances their lifespan. Extreme heat can accelerate chemical reactions within batteries, leading to reduced performance. A temperature range of 15°C to 25°C (59°F to 77°F) is ideal for storage.
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Keep Batteries in Their Original Packaging Until Use: Keeping batteries in their original packaging provides protection from physical damage and accidental short-circuiting. The packaging often includes important information about battery usage and expiration.
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Avoid Exposure to Extreme Temperatures: Extreme temperatures can affect the chemical stability of CR2450 batteries. High temperatures may lead to leakage, while freezing conditions can decrease battery performance. Manufacturer guidelines typically advise against exposing batteries to temperatures below freezing or above 60°C (140°F).
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Keep Batteries Away from Metal Objects: Metal objects can create a short circuit when they come into contact with battery terminals. It is essential to store batteries in a secure location away from conductive materials that could cause a short circuit.
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Check Expiration Dates Periodically: CR2450 batteries have a shelf life, usually around 10 years when stored correctly. Regularly checking expiration dates ensures that batteries remain functional when needed. Using expired batteries can result in poor performance and leakage.
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Do Not Mix Old and New Batteries: Mixing old and new batteries can lead to uneven power distribution. It is advisable to use batteries of the same age and charge level to avoid issues in devices that require multiple batteries.
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Use a Dedicated Storage Container: A dedicated storage container helps keep batteries organized and protected. Containers minimize exposure to light, moisture, and potential contaminants. Labels can also assist in identifying battery types and expiration dates, ensuring better inventory management.
How Should You Dispose of CR2450 Batteries Safely?
To dispose of CR2450 batteries safely, follow local recycling guidelines. Lithium coin batteries, like CR2450, contain hazardous materials. Approximately 300 million batteries are sold in the U.S. each year, leading to environmental concerns when not disposed of properly.
First, check local regulations. Many municipalities offer battery recycling programs. For example, about 65% of U.S. cities have drop-off locations specifically for battery disposal. Use these resources to ensure you are recycling correctly. Some retail stores, like electronics or hardware stores, also have collection bins for expired batteries.
Second, store used batteries safely before disposal. Keep them in a place away from children and pets. Tape over the terminals with non-conductive tape. This prevents accidental discharge or short-circuiting. For instance, a family might place used batteries in a designated container, secured with tape, until they can take them to a recycling center.
Third, consider the environmental impacts of improper disposal. Landfills can leak toxins from batteries, potentially contaminating soil and water. Studies show that improper disposal contributes to about 180 million pounds of hazardous waste each year in the U.S.
Lastly, variations in disposal options exist by location. Some regions may have more advanced recycling facilities than others. Check with local waste management services to find the best disposal options available in your area.
Key points include the importance of following local recycling guidelines, safely storing batteries, understanding the environmental risks, and recognizing variations in disposal options based on location. Consider researching additional resources for battery recycling to stay informed on best practices.
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