Energizer 2450 Lithium Coin Battery
4.8Editor score
Child resistant packaging
Up to 12 years storage life
Wide temperature range performance
In this guide
Choosing the right CR2450 lithium coin battery is essential for keeping your critical devices powered and reliable. These small but powerful cells provide consistent voltage for medical equipment, automotive remotes, and smart home sensors.
We analyzed ten top-rated options based on shelf life, safety features, and real-world performance data. Our selection includes trusted brands and value packs designed to meet diverse power needs across multiple industries.
Each review highlights key specifications and practical benefits to help you make an informed decision. Please note that product availability and pricing may fluctuate, so verify details before purchasing your next battery supply.
Top 3 Picks for Best CR2450 Lithium Coin Battery
PHILIPS CR2450 Battery
4.7Editor score
10 year shelf life guarantee
Leak proof extreme condition design
High energy capacity for devices
Duracell CR2450 Lithium Battery
4.7Editor score
Duralock power preserve technology
Trusted by medical professionals
Guaranteed 10 years in storage
Top 10 Best CR2450 Lithium Coin Battery in 2026 Compared
The following table offers a side-by-side comparison of all ten selected CR2450 lithium coin batteries. Review key specifications and features to identify the best fit for your specific device requirements.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Energizer 2450
2 Pack quantity
3 Volt output
12 year storage
Child resistant pack
4.8Editor score
Editor's Choice
PHILIPS CR2450
5 Pack quantity
3 Volt output
10 year storage
Extreme temp range
4.7Editor score
Best Premium
Duracell CR2450
1 Count quantity
3 Volt output
10 year storage
Medical grade safety
4.7Editor score
Energizer ECR2450
6 Pack quantity
3 Volt output
Standard coin size
Bulk packaging
4.7Editor score
PGSONIC 20 Pack
20 Pack quantity
3 Volt output
5 year storage
Leak proof tech
4.6Editor score
PGSONIC 5pcs
5 Pack quantity
3 Volt output
5 year storage
Mercury free
4.6Editor score
PGSONIC 10 Count
10 Pack quantity
3 Volt output
5 year storage
Child secure pack
4.6Editor score
CR2450 20 Pack
20 Pack quantity
3 Volt output
RoHS certified
Nickel plated
4.6Editor score
Duracell 6 Count
6 Pack quantity
3 Volt output
Triple corrosion protection
Duralock tech
4.6Editor score
PHILIPS 5 Count
5 Pack quantity
3 Volt output
10 year storage
ASTM child safe
4.6Editor score
1. Energizer 2450 Lithium Coin Battery – Best Overall CR2450
Energizer 2450 Lithium Coin Battery
12 years storage life
Resistant temperature range
Child resistant packaging
The Energizer 2450 Lithium Coin Battery stands out as a top choice for users seeking reliable power in a compact form. With a high customer rating of 4.8, it delivers consistent performance for heart rate monitors, keyless entry systems, and toys.
Pros
- Top rated performance
- Reliable voltage output
- Safe packaging design
Cons
- Limited pack size
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This battery is engineered to hold power for up to 12 years in storage, ensuring readiness when needed. It withstands a wide temperature range from -22 to 140 degrees Fahrenheit, making it versatile for various environments.
While the 2-pack quantity is smaller than bulk options, the child-resistant packaging adds significant safety value for households with young children. The secure design helps prevent accidental access while maintaining easy access for adults.
Anyone needing a dependable battery for specialty devices should consider this option. Its balance of longevity, safety, and performance makes it a strong recommendation for immediate and long-term use.
Long-Term Storage Capability
With a 12-year shelf life, this battery ensures you have power ready for emergency replacements without degradation.
Safe Family Use
The child-resistant packaging meets safety standards to protect children while keeping batteries accessible for caregivers.
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2. PHILIPS CR2450 Battery – Best Value CR2450
PHILIPS CR2450 Battery
5 pack value set
70% more energy
Leak proof design
The PHILIPS CR2450 Battery offers a practical 5-pack solution for powering key fobs, garage door sensors, and smart devices. With a 4.7 rating, it delivers reliable long-lasting energy for high and low-drain applications.
Pros
- High energy capacity
- Individual packaging
- Trusted brand
Cons
- Limited bulk options
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Designed with high energy capacity, this battery provides up to 70% more power than standard alternatives. Its leak-proof construction ensures reliable performance in extreme temperatures from -20 to 30 degrees Celsius.
Each battery is individually packaged to prevent loss and maintain freshness. While the 5-pack is ideal for small households, frequent users may need to purchase multiple units for larger setups.
This pack is ideal for homeowners managing multiple devices like remotes and digital scales. Its balance of capacity and brand reliability makes it a strong choice for everyday household electronics.
Enhanced Energy Output
The 70% higher energy capacity ensures your devices run longer between replacements, reducing maintenance frequency.
Versatile Application
From car key fobs to medical equipment, this battery supports a wide range of everyday devices with consistent power.
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3. Duracell CR2450 Lithium Battery – Best Professional CR2450
Duracell CR2450 Lithium Battery
Duralock technology
Medical grade trust
10 year storage
The Duracell CR2450 Lithium Battery is engineered for long-lasting performance in medical and security devices. With a 4.7 rating, it is the number one trusted brand among pharmacists and medical professionals for critical applications.
Pros
- Trusted by professionals
- High purity lithium
- Long shelf life
Cons
- Sold as single unit
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Featuring Duralock power preserve technology, it is guaranteed for 10 years in storage. This ensures stable power output over time, crucial for devices like glucose monitors and alarms that require consistent voltage.
Although sold as a single count, its high purity and triple corrosion protection offer premium reliability. For users needing bulk packs, this model is available in 6-count options, though at a higher price point.
This battery is ideal for professionals and homeowners requiring guaranteed performance. Its reputation for safety and longevity makes it a top choice for devices where failure is not an option.
Professional Reliability
Trusted by medical experts, this battery meets high standards for use in safety-critical devices like glucose monitors.
Advanced Power Preservation
Duralock technology maintains power during storage, ensuring the battery performs when finally installed in a device.
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4. Energizer CR2450 Lithium Battery – Best Bulk Option
Energizer CR2450 Lithium Battery
6 pack quantity
ECR2450 model
Compact packaging
The Energizer CR2450 Lithium Battery 6-pack provides a convenient value option for users needing multiple cells. With a 4.7 rating, it maintains the quality standards Energizer is known for across its battery lineup.
Pros
- Value for money
- Trusted brand quality
- Convenient quantity
Cons
- Basic packaging details
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This pack contains six 3V ECR2450 cells, ideal for replacing batteries in multiple devices like remotes and scales. The packaging is designed for efficient storage and easy handling in home or office settings.
While specific feature lists are concise, the reliability of the brand ensures consistent performance. The 6-count quantity strikes a balance between bulk savings and manageable storage space for most users.
This option suits households managing several devices or businesses stocking supplies for clients. It offers a reliable middle ground between single-unit and larger bulk purchases.
Efficient Bulk Purchase
The 6-pack format provides enough quantity for multiple replacements without requiring large storage space.
Reliable Power Source
Maintains standard Energizer performance characteristics, ensuring your devices receive consistent and safe power.
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5. PGSONIC 20 Pack CR2450 – Best High Capacity
PGSONIC 20 Pack CR2450
20 pack volume
5 year shelf life
0% mercury
The PGSONIC 20 Pack CR2450 3V Lithium Coin Battery delivers high capacity value for users needing extensive supplies. With a 4.6 rating, it offers reliable performance for flameless candles, lights, and various electronic sensors.
Pros
- High capacity value
- Mercury free design
- Leak proof safety
Cons
- Shorter shelf life
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This value pack includes 20 batteries, each with a 5-year shelf life. The batteries are 0% mercury and designed with leak-proof technology to protect devices from potential corrosion during storage.
While the shelf life is shorter than some premium options, the quantity makes it cost-effective for heavy users. The safe and sustainable design ensures peace of mind for long-term storage.
This pack is best suited for bulk buyers or commercial users needing large quantities. Its combination of safety features and high volume makes it a practical choice for storage.
High Volume Savings
With 20 units in a single purchase, this pack reduces frequent buying cycles for high-usage environments.
Eco-Friendly Safety
The 0% mercury composition ensures environmental safety and reduces harmful waste when batteries reach end of life.
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6. PGSONIC CR2450 3V – Best Everyday Battery
PGSONIC CR2450 3V
5 pack unit
Grade AA quality
Leak-proof coating
The PGSONIC CR2450 3V Lithium Battery comes in a convenient 5-piece set. With a 4.6 rating, it provides fresh, stable voltage for various electronics like flameless candles, remote controls, and smart devices.
Pros
- Strong reliable power
- Special sealing tech
- Multiple uses
Cons
- Generic branding
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These batteries feature high energy density and special sealing coating technology to ensure leak-proof performance. They are 0% mercury and carry a 5-year shelf life, offering reliable standby power.
While the brand is less established, the specifications match industry standards for CR2450 cells. The packaging is designed to prevent contact discharge, ensuring batteries arrive fully charged and ready.
This option works well for households managing everyday gadgets. The balance of safety and capacity makes it a solid alternative to premium branded batteries.
Secure Packaging Technology
Sealed blister packs prevent contact discharge and ensure each battery remains fully charged before first use.
Stable Voltage Output
Fresh cells provide consistent 3V output, ensuring your devices function correctly without voltage drop issues.
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7. PGSONIC CR2450 Batteries – Best Middle Ground
PGSONIC CR2450 Batteries
10 count volume
Child secure package
High capacity
The PGSONIC CR2450 Batteries 10 Count offers a balanced quantity for diverse electronic devices. With a 4.6 rating, it delivers high capacity and leak-free performance for key fobs, thermometers, and scales.
Pros
- Medium quantity pack
- Safe child packaging
- Leak-free design
Cons
- Standard shelf life
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Designed with safety in mind, the child secure package helps ensure protection for children and pets. Each battery is mercury-free and carries a 5-year shelf life, verified by dates on the packaging.
The 10-count size is ideal for medium-scale needs without overwhelming storage. It works equivalently to models like ECR2450 and DL2450, ensuring broad compatibility.
This pack fits households with several battery needs. The secure packaging and moderate quantity make it a practical choice for home storage.
Enhanced Safety Packaging
Child-secure packaging design minimizes risks for families with young children while keeping batteries accessible for adults.
Verified Freshness
Clear Best Before dates on the back allow users to verify freshness and plan replacements accordingly.
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8. CR2450 3V Lithium Coin Cell – Best Certified Battery
CR2450 3V Lithium Coin Cell
CE and RoHS certified
Nickel plated shell
Sealed blister packs
The CR2450 3V Lithium Coin Cell Button Battery (20 Pack) is tested under strict quality standards. With a 4.6 rating, it offers consistent power for car key fobs, cameras, and watches.
Pros
- Quality certifications
- Protective construction
- Full warranty
Cons
- Higher price for 20
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Featuring engraved nickel-plated construction, these batteries prevent leakage and protect devices. Each cell is mercury-free and comes with a 5-year warranty, backed by sealed blister packs to prevent contact discharge.
Certifications like CE and RoHS ensure compliance with international safety standards. The protective packaging ensures batteries arrive fully charged and ready to use without pre-charging.
This option is best for users prioritizing safety and certification. The 5-year warranty adds confidence for long-term investment in a bulk supply.
Certified Safety Standards
CE and RoHS certifications guarantee the batteries meet strict environmental and safety regulations for safe use.
Durable Protection
The nickel-plated construction resists corrosion and leakage, extending the lifespan of your electronic devices.
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9. Duracell – 2450 3V – Best Trusted Brand
Duracell – 2450 3V
6 count quantity
Triple corrosion protection
High purity lithium
The Duracell 2450 3V Lithium Coin Battery comes in a 6-count pack for extended usage. With a 4.6 rating, it features Duralock power preserve technology to maintain storage power over time.
Pros
- Trusted name brand
- Power preserve tech
- Professional grade
Cons
- Higher price point
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This high purity lithium battery includes triple corrosion protection for extended life. Trusted by pharmacists and medical professionals, it ensures reliable power for essential medical and office devices.
While it may cost more than generic options, the brand reputation offers confidence in performance. The 6-count format balances quantity with manageable bulk storage.
This pack is ideal for users seeking brand reliability. Its professional-grade features make it suitable for critical applications where consistent voltage is paramount.
Power Preservation System
Duralock technology ensures power is preserved during storage, so the battery performs optimally when needed.
Triple Corrosion Protection
The triple corrosion protection layer safeguards against leaks, extending both battery and device life.
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10. PHILIPS 3V Lithium CR2450 – Best Safety Certified
PHILIPS 3V Lithium CR2450
10 year storage life
ASTM CPSC child safe
All-weather performance
The PHILIPS 3V Lithium CR2450 Coin Cell Batteries (5 Count) retain over 90% capacity after 10 years of storage. With a 4.6 rating, they offer stable continuous 3V power for daily and emergency use.
Pros
- Safety certifications
- 10 year shelf life
- All-weather reliability
Cons
- Limited to 5 count
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Certified by ASTM and CPSC for child-resistant packaging, these batteries ensure household safety. They operate reliably from -4 to 140 degrees Fahrenheit, resisting leakage and power loss in extreme temperatures.
Compatible with nearly all electronics requiring CR2450 cells, they support car key fobs, smart locks, and glucose meters. The non-toxic, leak-proof shell is free of heavy metals.
This pack is best for families prioritizing safety. The combination of 10-year storage life and certified packaging makes it a safe choice for homes with young children.
Child-Resistant Assurance
ASTM and CPSC certified packaging provides a safe barrier to protect children from accidental ingestion.
Extreme Weather Capability
Wide temperature tolerance ensures reliable function in both freezing garages and hot car interiors.
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Buying Guide – How to Choose the Best CR2450 Lithium Coin Battery
Selecting the right CR2450 battery involves considering capacity, safety, and shelf life. The following factors will help you match the battery to your specific needs.
Shelf Life and Storage
Many premium lithium batteries offer shelf lives of up to 10 or 12 years, ensuring power is preserved during extended periods of non-use. This is critical for emergency devices like smoke alarms or medical equipment that may sit idle for months.
Always check the expiration date and storage guarantees when purchasing to avoid receiving cells that have degraded before installation.
Safety and Packaging
For households with children, batteries should feature child-resistant packaging that meets safety standards like ASTM or CPSC. This reduces the risk of accidental ingestion, which can be fatal for young children.
Look for packaging designed to be secure yet easy for adults to open, ensuring safe storage and usage at home.
Brand Reputation
Established brands like Energizer, Duracell, and Philips undergo rigorous testing and are trusted by medical professionals. Their reputation often translates to consistent quality and reliable performance across different batches.
While generic options may be cheaper, reputable brands offer greater peace of mind for critical applications.
Device Compatibility
Ensure the battery matches your device's requirements. CR2450 cells are equivalent to models like DL2450, ECR2450, and GPCR2450, but checking the user manual prevents installation errors.
Verify the voltage output (typically 3V) to ensure it aligns with the specifications provided by your device manufacturer.
Leak Resistance
Leak-proof design is essential to protect sensitive electronics from corrosion and damage. High-quality cells use sealed constructions and nickel plating to prevent liquid leakage even if the battery fails.
Look for products explicitly marketed as leak-free to safeguard expensive devices from potential damage.
Pack Quantity
Batteries come in various pack sizes from single units to 20-packs. Choose a quantity that matches your usage frequency to balance cost with storage space.
Buying in bulk often offers better value but requires careful tracking of expiration dates to avoid waste.
Temperature Tolerance
Some batteries are designed to operate reliably in extreme temperatures, from -20 degrees Celsius to 140 degrees Fahrenheit. This is important for outdoor devices or those used in garages and vehicles.
Check the operating range specifications to ensure the battery will function correctly in your intended environment.
Warranty and Support
A warranty covering manufacturing defects adds a layer of protection for your purchase. Some brands offer limited warranties to replace defective units within a specified period.
Consider products backed by strong customer support policies to resolve any issues quickly and efficiently.
How to Use and Care for Your CR2450 Lithium Coin Battery
Before installing the battery, check the device manual to confirm the correct polarity orientation. Lithium coin cells usually have the positive terminal facing out; inserting it backward can damage the device.
Store unused batteries in a cool, dry place away from direct sunlight. Extreme heat or humidity can shorten the battery's lifespan and degrade its capacity over time.
Remove old batteries from devices that have not been used for long periods to prevent corrosion. Regularly inspect battery compartments for signs of leakage and clean them with a dry cloth if needed.
Frequently Asked Questions
Is the CR2450 battery rechargeable?
No, CR2450 lithium coin batteries are not rechargeable. They are designed for single-use and should be replaced when depleted. Attempting to recharge non-rechargeable lithium cells can be dangerous and may cause leaks or damage.
What devices typically use CR2450 batteries?
These batteries are commonly used in medical devices, car key fobs, smart watches, and home security sensors. They are also found in calculators, laser pointers, and small LED lights that require consistent 3V power.
How can I tell if my CR2450 battery is good?
Check the expiration date printed on the packaging or the battery itself. A healthy battery will maintain stable voltage under load; if your device turns off unexpectedly, the battery may be low.
Can I use a CR2032 instead of a CR2450?
No, you cannot substitute CR2032 for CR2450. The CR2450 is physically larger in diameter and holds more energy. Using the wrong size may result in poor contact or incorrect power delivery to your device.
How long do CR2450 batteries last?
The lifespan depends on device usage and storage conditions. In low-drain devices, they can last several years, while continuous use in high-drain applications may deplete them faster. Most have a 10-year shelf life.
Are CR2450 batteries safe for the environment?
Most modern CR2450 batteries are mercury-free and designed to minimize environmental impact. However, they should be disposed of at designated recycling centers rather than in regular trash to ensure safe handling.
Final Thoughts on Choosing the Best CR2450 Lithium Coin Battery
Choosing the right CR2450 battery depends on your specific device needs and safety priorities. Top picks like Energizer and Duracell offer reliable performance, while PGSONIC packs provide excellent value for bulk needs.
Prioritize safety features like child-resistant packaging and leak-proof designs if you have young children. Always match the battery capacity and size to your device requirements for optimal performance.
Please verify current availability and pricing before purchasing, as details may change. This guide helps you navigate options to find the most suitable CR2450 lithium coin battery for your electronics.