Duracell CR2450 Lithium Battery
4.7Editor score
10 year storage guarantee
Trusted brand
Child safe design
In this guide
CR2450 lithium coin batteries power essential devices like key fobs, medical monitors, and smart home sensors. Choosing the right battery ensures your gadgets run reliably without unexpected shutdowns during critical moments.
We evaluated ten top-rated CR2450 batteries based on capacity, shelf life, safety features, and brand reputation. Our comparison highlights performance differences between major manufacturers and value-oriented options for various needs.
Each product pick details key specifications, pros, cons, and ideal use cases for informed decisions. Please note that pricing fluctuates frequently, so verify current costs before purchasing to ensure the best value.
Top 3 Picks for Best CR2450 Lithium Coin Battery
Energizer 2450 Lithium Coin Battery
4.8Editor score
Child resistant packaging
12 year shelf life
Wide temp range
PHILIPS CR2450 Battery
4.7Editor score
70 percent more power
Leak proof design
10 year shelf life
Top 10 Best CR2450 Lithium Coin Battery in 2026 Compared
This side-by-side comparison table details the key specifications and features of each CR2450 battery option. Use this data to quickly identify which battery best matches your specific device requirements and usage patterns.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Energizer 2450
3 Volt output
12 year shelf life
Child resistant pack
Wide temp range
4.8Editor score
Editor's Choice
PHILIPS CR2450 5-Pack
3 Volt output
10 year shelf life
High capacity
Leak proof
4.7Editor score
Best Premium
Duracell CR2450
3 Volt output
10 year storage
Child resistant pack
Trusted brand
4.7Editor score
Energizer CR2450 6-Pack
3 Volt output
6 pack value
Lithium coin
Compact size
4.7Editor score
PGSONIC 20 Pack
3 Volt output
20 pack value
5 year shelf life
Mercury free
4.6Editor score
PGSONIC 5pcs
3 Volt output
5 pack value
5 year shelf life
Leak proof
4.6Editor score
PGSONIC 10 Count
3 Volt output
10 pack value
5 year shelf life
Child secure
4.6Editor score
CR2450 20 Pack
3 Volt output
20 pack value
5 year warranty
CE certified
4.6Editor score
Duracell 6 Count
3 Volt output
6 pack value
Duralock tech
Triple corrosion
4.6Editor score
PHILIPS 5 Count
3 Volt output
10 year storage
Leak proof
Child safe
4.6Editor score
1. Energizer 2450 – Best Overall CR2450
Energizer 2450
3 Volt lithium coin
12 year storage life
Wide temperature range
Child resistant packaging
The Energizer 2450 Lithium Coin Battery stands out as the top choice for users prioritizing reliability and longevity. With a 4.8-star rating and industry-leading 12-year storage capacity, it ensures your devices stay powered when needed most.
Pros
- Exceptional 12-year shelf life
- Reliable child-resistant packaging
- Wide operating temperature range
- Trusted Energizer brand quality
- Ideal for medical devices
Cons
- Higher price per unit
- Small 2-pack quantity
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Its child-resistant packaging offers peace of mind for households with young children, while the wide temperature range from -22°F to 140°F ensures performance in harsh environments. This battery excels in critical applications like heart rate monitors and glucose meters.
While the price per unit is higher than bulk options, the extended shelf life reduces waste from expired batteries. The compact 2-pack format is perfect for immediate replacement needs rather than long-term bulk storage.
Homeowners seeking dependable power for medical devices or key fobs should choose this battery for its proven track record and safety features. It delivers consistent performance where failure is not an option.
Extended Shelf Life Advantage
The 12-year storage guarantee means you can buy in advance without worrying about capacity loss before use.
Safety First Design
Child-resistant packaging prevents accidental ingestion while maintaining easy access for adults during installation.
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2. PHILIPS CR2450 – Best Value Pack
PHILIPS CR2450
3 Volt lithium coin
10 year shelf life
70 percent more power
Leak-proof design
The PHILIPS CR2450 5-Pack delivers exceptional value with high-energy performance and reliable 10-year storage. Its 4.7-star rating reflects strong user satisfaction for key fob and medical device applications.
Pros
- High capacity compared to standard
- Excellent 5-pack value price
- 10-year storage guarantee
- Leak-proof reliable design
- Suitable for extreme conditions
Cons
- Slightly lower rating than top pick
- Limited brand recognition
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With up to 70% more power than standard alternatives, this battery handles high-drain devices effectively. The leak-proof construction and wide temperature tolerance make it suitable for outdoor sensors and garage door openers.
Packaging is individually sealed to maintain freshness and prevent loss during storage. While it ranks slightly below premium brands in reputation, its performance metrics justify its strong value positioning in the market.
Budget-conscious buyers needing multiple batteries for household electronics will find this pack ideal. It balances cost efficiency with dependable performance for everyday consumer electronics.
High Energy Capacity
The 70% power boost ensures consistent output even as the battery approaches end of life.
Individual Sealing
Each battery arrives individually packaged to preserve freshness and prevent accidental contact discharge.
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3. Duracell CR2450 – Trusted Brand Choice
Duracell CR2450
3 Volt lithium coin
10 year storage guarantee
Child-resistant packaging
Duralock technology
Duracell remains the gold standard for lithium coin batteries, offering guaranteed 10-year storage and trusted performance. Its 4.7-star rating and #1 trusted brand status make it a safe choice for critical devices.
Pros
- Trusted industry-leading brand
- Duralock power preservation
- Child-resistant safety packaging
- Long 10-year storage
- Guaranteed reliability
Cons
- Single count unit price high
- Less value per unit
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The Duralock power preserve technology ensures batteries retain capacity longer than standard alternatives. Child-resistant packaging meets safety standards, making it ideal for homes with children or pets needing secure storage.
While the single-count unit price is higher than multi-packs, the brand assurance justifies the investment for critical applications. Medical professionals and security device owners prefer Duracell for its consistent track record.
If brand reputation and guaranteed storage life are your priorities, this battery delivers peace of mind. It offers reliable power when device failure is unacceptable in daily life.
Brand Trust
Duracell's reputation ensures consistent quality control and reliability across every production batch.
Duralock Tech
Proprietary technology preserves battery capacity during storage preventing premature degradation.
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4. Energizer CR2450 – Compact Pack
Energizer CR2450
3 Volt output
6 pack quantity
ECR2450 model
Compact packaging
The Energizer CR2450 6-pack provides a practical mid-sized option for regular replacement needs. With 4.7-star reliability, it delivers consistent power for watches, remotes, and security sensors.
Pros
- Mid-range 6-pack quantity
- Reliable Energizer performance
- Cost-effective per unit
- Suitable for multiple devices
- Long-term storage stable
Cons
- Basic packaging details
- Limited special features
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The 6-pack quantity offers better value than single units while remaining manageable for home storage. Energizer's manufacturing standards ensure stable voltage output across all six batteries in the pack.
While it lacks specific safety highlights found in other models, its core performance remains dependable for general consumer electronics. The compact packaging minimizes storage space requirements.
Ideal for households with several devices using CR2450 batteries, this pack balances quantity and quality. It's a reliable choice for users needing more than two batteries per purchase.
Practical Quantity
The 6-pack format is perfect for homes with multiple key fobs, remotes, and thermostats.
Standard Performance
Meets standard lithium coin specifications for consistent voltage and reliable long-term use.
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5. PGSONIC 20 Pack – Bulk Savings
PGSONIC 20 Pack
3 Volt output
20 pack value
5 year shelf life
Mercury free
The PGSONIC 20 Pack offers unmatched bulk value for heavy users needing multiple CR2450 batteries. Its 4.6-star rating reflects solid performance for flameless candles, remote controls, and sensors.
Pros
- Massive 20-pack bulk value
- Low cost per unit
- Leak-proof and safe
- 5-year shelf life
- Mercury free construction
Cons
- Lower brand recognition
- 5-year shelf life shorter
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With the lowest cost per unit, this pack is ideal for offices or properties with many electronic devices. The mercury-free and leak-proof design ensures safety and environmental compliance.
Though the shelf life is 5 years compared to competitors 10, it still covers most usage needs. Individual packaging prevents loss and ensures freshness until installation time.
Bulk buyers who prioritize price over premium features will find this pack ideal. It provides excellent value for replacing batteries across numerous devices simultaneously.
Bulk Efficiency
Buying 20 units at once reduces long-term costs and eliminates frequent reordering trips.
Safety Compliance
Mercury-free composition meets environmental standards while protecting devices from toxic leakage.
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6. PGSONIC 5pcs – Moderate Value
PGSONIC 5pcs
3 Volt output
5 pack quantity
5 year shelf life
Leak-proof coating
PGSONIC's 5-pack delivers reliable performance for smart devices and remote controls at a competitive price. With a 4.6-star rating, it offers strong energy density and consistent voltage output.
Pros
- Reasonable 5-pack quantity
- Competitive pricing
- High energy density
- Leak-proof coating
- Mercury free design
Cons
- Limited brand features
- Shorter shelf life
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The leak-proof coating and sealing technology protect devices from corrosion. Its high energy density ensures longer runtimes for moderate-drain electronics like scales and sensors.
While it lacks the extended shelf life of premium brands, it remains a practical choice for immediate needs. The 5-pack quantity fits well in standard storage drawers.
Budget-conscious shoppers needing a moderate supply of CR2450 batteries will find this pack useful. It balances price and performance for everyday home electronics.
Energy Density
High energy density allows the battery to deliver longer usage times than standard alternatives.
Protective Sealing
Specialized coating prevents moisture ingress and internal corrosion for extended reliability.
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7. PGSONIC 10 Count – Balanced Pack
PGSONIC 10 Count
3 Volt output
10 pack quantity
5 year shelf life
Child secure package
The PGSONIC 10 Count offers a middle ground between bulk savings and manageable quantities. With 4.6-star reliability, it handles flameless candles, thermometers, and key fobs effectively.
Pros
- Balanced 10-pack size
- Child secure packaging
- Reliable performance
- Leak-free design
- Low price per unit
Cons
- Shorter shelf life
- Basic brand profile
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Child secure packaging adds safety for households with young children. The leak-free and mercury-free design ensures long-term protection for sensitive electronic components.
While its shelf life is 5 years, this suits most users who replace batteries annually. The 10-pack allows for multiple device replacements without excess storage needs.
Families with several battery-dependent devices will appreciate the combination of safety and value. It provides adequate quantity for general household maintenance needs.
Child Security
Special packaging prevents accidental access by children without compromising adult convenience.
Leak Protection
Leak-free technology maintains battery integrity and protects device internals from damage.
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8. CR2450 20 Pack – Certified Value
CR2450 20 Pack
3 Volt output
20 pack quantity
5 year warranty
CE certified
This 20-pack provides certified bulk value with CE and RoHS compliance ensuring safety standards. Its 4.6-star rating reflects consistent reliability for car key fobs and doorbell cameras.
Pros
- Large 20-pack bulk savings
- CE and RoHS certified
- Nickel-plated construction
- Protective blister packaging
- 5-year warranty support
Cons
- Generic brand name
- Limited specific features
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Nickel-plated construction prevents leakage and protects devices from corrosion. Protective blister packaging ensures batteries arrive fully charged and ready to use without discharge risks.
The 5-year warranty adds confidence for bulk buyers. While it lacks brand prestige, its certifications and value make it suitable for commercial or heavy residential use.
Users needing large quantities for multiple properties will find this pack cost-effective. It provides reliable performance at a competitive price point.
Certified Quality
CE and RoHS certifications confirm compliance with international safety and environmental standards.
Warranty Support
A 5-year warranty provides recourse for defective units, ensuring purchase confidence.
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9. Duracell 6 Count – Trusted Multi-Pack
Duracell 6 Count
3 Volt output
6 pack quantity
Duralock technology
Triple corrosion protection
The Duracell 6 Count combines brand trust with convenient bulk quantity for serious users. With 4.6-star reliability, it ensures consistent power for medical and security devices.
Pros
- Trusted Duracell quality
- 6-pack convenient quantity
- Duralock preservation
- Triple corrosion protection
- Reliable long-term storage
Cons
- Premium price point
- Higher total cost
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Duralock technology and triple corrosion protection extend performance life. This makes it ideal for high-stakes applications where battery failure is not an option.
While the price is higher than generic options, the reliability and corrosion resistance justify the investment for critical electronics. It offers peace of mind for professional use.
Homeowners prioritizing brand reputation over price will appreciate this multi-pack. It delivers consistent performance for long-term storage needs.
Duralock Preservation
Proprietary technology maintains battery capacity during storage preventing unexpected discharge.
Triple Corrosion
Three layers of protection prevent internal damage from moisture and environmental exposure.
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10. PHILIPS 5 Count – Safe Packaging
PHILIPS 5 Count
3 Volt output
10 year storage
Child safe packaging
Leak-proof design
The PHILIPS 5 Count emphasizes safety with child-safe packaging and ASTM/CPSC certification. Its 4.6-star rating reflects strong performance for smart locks and thermostats.
Pros
- 10-year storage life
- Child-safe packaging design
- ASTM certified safety
- Leak-proof non-toxic shell
- Wide device compatibility
Cons
- Single pack size only
- Higher unit price
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The 10-year storage life ensures long-term readiness for emergency backups. The leak-proof non-toxic shell protects both devices and users from hazardous materials.
While limited to five units, it offers a safe solution for families with children. Wide compatibility ensures it fits nearly all standard CR2450 devices around the home.
Families prioritizing safety and storage life will find this pack ideal. It balances reliable performance with essential household security features.
Safety Certifications
ASTM and CPSC child-resistant blister packs prevent accidental access by young children.
Long-Term Storage
10-year storage capability ensures batteries remain ready for emergency use when needed.
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Buying Guide – How to Choose the Best CR2450 Lithium Coin Battery
Selecting the right CR2450 lithium coin battery requires understanding key factors like capacity, shelf life, and safety features. This guide outlines essential criteria to help you choose batteries that match your device needs and usage patterns.
Capacity and Runtime
Capacity determines how long the battery powers your device before requiring replacement. Look for high-capacity options offering 70% more power than standard alternatives for energy-intensive devices like smart locks or medical sensors.
Prioritize batteries with higher energy density to ensure consistent performance across multiple device cycles.
Shelf Life and Storage
Shelf life indicates how long the battery retains charge in storage before use. Premium options like Energizer and Philips offer 10 to 12-year storage life, ensuring power remains available when needed.
Choose batteries with longer shelf life if you store spare batteries for emergency backups or infrequent use.
Safety Features
Safety features like child-resistant packaging are vital for households with children. Look for ASTM and CPSC certified blister packs that prevent accidental ingestion while maintaining easy adult access.
Prioritize mercury-free and leak-proof designs to protect devices from corrosive damage and ensure household safety.
Temperature Range
Operating temperature range affects performance in extreme environments. High-quality CR2450 batteries function reliably from -22°F to 140°F, ensuring power in cold garages or hot cars.
Select batteries with wide temperature tolerance for outdoor sensors or vehicle key fobs exposed to weather variations.
Brand Reputation
Trusted brands like Energizer and Duracell provide consistent quality control and reliable performance. Established manufacturers often use premium materials ensuring better longevity and stability compared to generic options.
Prioritize reputable brands for critical applications like medical devices or security systems where failure is unacceptable.
Packaging and Quantity
Packaging affects storage convenience and freshness preservation. Individual blister packs prevent discharge and loss while multi-packs offer better value for bulk purchases.
Choose packaging that matches your usage frequency—single units for immediate needs and multi-packs for regular replacements.
Price and Value
Price per unit varies significantly between single batteries and multi-packs. Bulk packs like 20-count options offer lower unit costs suitable for offices or large households.
Balance initial cost against shelf life and brand reputation to maximize long-term value.
Compatibility
Ensure the battery matches your device requirements such as voltage and dimensions. CR2450 batteries are equivalent to DL2450 and ECR2450 models found in various electronics.
Verify compatibility with your specific device manual to avoid fit issues or malfunction risks.
How to Use and Care for Your CR2450 Lithium Coin Battery
Remove the battery from its sealed packaging immediately before installation. The protective plastic tab prevents discharge but should be removed just before use to maximize battery freshness.
Insert the battery with the positive side facing up as indicated by your device manual. Most CR2450 devices require the flat side with printed text to face outward or upward.
Store unused batteries in a cool, dry place away from direct sunlight or moisture. Keep them in their original packaging until ready to use to maintain freshness and prevent accidental discharge.
Frequently Asked Questions
What does CR2450 mean on a lithium coin battery?
CR indicates the battery uses lithium chemistry with manganese dioxide. The 24 refers to the 24mm diameter and 50 represents the approximate 5.0mm thickness, standard dimensions for this coin cell type.
How long does a CR2450 lithium battery last?
A CR2450 battery typically lasts 1 to 3 years in active use depending on device drain. In storage, premium brands offer 10 to 12 years of shelf life before capacity degrades significantly.
What is the difference between CR2450 and DL2450?
CR2450 and DL2450 are functionally identical 3V lithium coin cells. The DL designation is used by Duracell while CR is the international standard. Both can replace each other in compatible devices.
Are CR2450 batteries safe for households with children?
CR2450 batteries can be dangerous if swallowed. Look for child-resistant packaging with ASTM certification. Always store batteries out of reach of children and dispose of used batteries properly.
Can I mix different brands of CR2450 batteries?
It is not recommended to mix different brands or ages in the same device. Variations in voltage discharge rates may cause uneven performance. Replace all batteries in a device at once for optimal results.
Do CR2450 batteries expire?
Yes, CR2450 batteries have a shelf life of 10 to 12 years for premium brands. After this period, capacity decreases significantly. Check the expiration date on the packaging before purchasing.
How can I extend the lifespan of my CR2450 batteries?
Store batteries in cool, dry conditions to prevent premature degradation. Remove batteries from devices that remain unused for extended periods to avoid leakage damage. Replace batteries proactively based on device performance indicators.
What devices use CR2450 lithium coin batteries?
Common devices include car key fobs, garage door openers, medical monitors, smart locks, scales, and digital thermometers. Always check your device manual to confirm battery type compatibility before purchasing.
Final Thoughts on Choosing the Best CR2450 Lithium Coin Battery
This guide highlights the top CR2450 batteries based on reliability, shelf life, and value. The Energizer 2450 leads for storage life, Philips offers best value in bulk packs, and Duracell remains the trusted brand choice.
Prioritize safety features like child-resistant packaging for households with children and choose longer shelf life for infrequent replacements. Match battery capacity to your device drain requirements for optimal performance.
Verify current prices before purchasing as costs fluctuate frequently. Always check device compatibility to ensure proper fit and function for all your essential electronics.