I hate digging out a tiny screwdriver to swap a dead coin battery in my car key fob or garage door opener. If you are tired of the same hassle, you want a CR2450 lithium coin battery that actually holds its charge for months or years. I looked at shelf life, customer reviews, and real-world performance to save you the headache.
I picked these 9 products because they all have strong ratings, a proven track record for longevity, and come from brands I trust. I focused on three things: how long they last in storage, how many people bought and liked them, and whether they deliver consistent 3 volts until the very end.
Quick Comparison: best CR2450 Lithium Coin Battery for people who want to avoid the hassle of changing batteries often
| # | Product | Best For | Key Spec | Price |
|---|---|---|---|---|
| 1 | Energizer 2450 Amazon’s Choice |
Top-rated reliability | 2 Pack | Check Price → |
| 2 | PHILIPS CR2450 Amazon’s Choice |
10-year shelf life | 5 Pack | Check Price → |
| 3 | Panasonic CR2450 Amazon’s Choice |
Child-resistant packaging | 2 Pack | Check Price → |
| 4 | PGSONIC CR2450 Best value 5-pack |
Budget-friendly bulk buy | 5 Pack | Check Price → |
| 5 | Energizer CR2450 6pk Amazon’s Choice |
Most reviewed option | 6 Pack | Check Price → |
| 6 | NICEBATT CR2450 Amazon’s Choice |
Low cost per battery | 6 Pack | Check Price → |
| 7 | MaxyCell 2450 Amazon’s Choice |
Leak-proof design | 6 Pack | Check Price → |
| 8 | Tenergy CR2450 Amazon’s Choice |
Reliable for key fobs | 5 Pack | Check Price → |
| 9 | PKCELL 20 Pack Amazon’s Choice |
Biggest bulk value | 20 Pack | Check Price → |
How I Selected These Products
I started by looking at the specs that actually matter for longevity – shelf life ratings, voltage consistency, and the number of batteries per pack. Every product on this list delivers a steady 3 volts and has proven it can hold power for months in devices like car key fobs and door sensors.
Value played a big role in my ranking, but not just the lowest price. I compared cost per battery against the brand’s reputation and how many people bought each pack in the past month. A great deal means nothing if the battery dies in a few weeks.
I dug through thousands of user reviews to find patterns about real-world reliability. Products that had consistent praise for lasting a long time and few complaints about dead-on-arrival units earned higher spots. A 4.6-star average or better was my baseline for consideration.
Best Overall
Energizer 2450 Lithium Coin Battery
2 Pack | 4.8 stars | 6,397 ratings | 12-year shelf life | Amazon’s Choice
- Energizer 2450 Lithium Coin Battery with child resistant packaging
- Delivers long-lasting, dependable performance in specialty devices like...
I put the Energizer 2450 at the top because it has a 12-year shelf life, which means you can stash a pack in a drawer and forget about it until you need it. Over 30,000 people bought this in the past month, and it holds a 4.8-star average from nearly 6,400 reviews. That kind of trust is hard to beat when you just want a battery that works every time.
This is the best CR2450 lithium coin battery for anyone who wants maximum reliability and doesn’t mind paying a bit more per battery. The only real downside is you only get two batteries per pack, so if you need to stock up for multiple devices, you will have to buy several packs.
✅ Pros
- 12-year shelf life reduces waste and replacement frequency
- 4.8 stars from over 6,300 verified buyers
- Amazon’s Choice with 30K+ bought last month
- Trusted brand with consistent voltage output
❌ Cons
- Only 2 batteries per pack means higher per-unit cost
- No bulk option for multi-device households
Best Shelf Life
PHILIPS CR2450 Battery
5 Pack | 10-year shelf life | 4.8 stars | 823 ratings | Amazon’s Choice
![PHILIPS CR2450 Battery, [5-Pack] cr2450 3v Lithium Coin Cell...](https://batterypowerguide.net/wp-content/plugins/aawp/public/image.php?url=YUhSMGNITTZMeTl0TG0xbFpHbGhMV0Z0WVhwdmJpNWpiMjB2YVcxaFoyVnpMMGt2TkRGRFVYWXpPWFlyZDB3dWFuQm58MTc5MzM4ODk1OA=)
- LONG-LASTING PERFORMANCE: The CR2450 button battery is built to last...
- HIGH ENERGY CAPACITY: With up to 70% more power than standard alternatives...
The PHILIPS CR2450 Battery comes in a 5-pack with a 10-year shelf life, so you can keep spares ready for years without worrying about them dying in the package. I like that Philips specifically lists compatibility with car key fobs, medical devices, MyQ garage openers, and remote controls. That 4.8-star average from over 800 buyers tells me these perform as advertised.
This is a great pick if you want a solid 5-pack from a household brand name. The honest limitation is that the per-battery cost is slightly higher than some budget options, so if you need to buy in bulk for a whole house, you might find better value elsewhere.
✅ Pros
- 10-year shelf life means you can stock up now
- 5-pack gives a good balance of quantity and value
- 4.8 stars with Amazon’s Choice badge
- Works with MyQ battery and medical devices
❌ Cons
- Per-battery cost is higher than some competitors
- Only 823 reviews compared to Energizer’s thousands
Safest Packaging
Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant
2 Pack | 3.0 Volts | 4.8 stars | 1,614 ratings | Child-resistant packaging
- LONG LASTING PERFORMANCE: Panasonic CR2450 3.V batteries are engineered to...
- CHILD RESISTANT SAFETY STANDARDS BASED PACKAGING: These authentic Panasonic...
Panasonic uses child-resistant, standards-based packaging that makes it much harder for kids to get to the batteries. That alone puts this on my list if you have young children at home. With a 4.8-star average from over 1,600 ratings and 4,000+ bought in the past month, this Panasonic CR2450 is clearly a popular choice for safety-conscious buyers.
This is best for parents or grandparents who want an extra layer of safety around coin cell batteries. The trade-off is that you only get two batteries per pack at a relatively high per-battery cost, so it is not the most economical option for bulk buyers.
✅ Pros
- Child-resistant packaging meets safety standards
- 4.8 stars from over 1,600 reviews
- Amazon’s Choice with 4K+ bought last month
- Long-lasting lithium chemistry from a trusted brand
❌ Cons
- Only 2 batteries per pack means higher per-unit cost
- Shelf life not specified in product details
Best Budget 5-Pack
PGSONIC CR2450 3V Lithium Battery (5pcs)
5 Pack | 620 mAh capacity | 4.6 stars | 22,468 ratings | 3 Volts
- Grade AA batteries: 3 Volt, fresh with strong & reliable power, high energy...
- Long-lasting plus 5 years shelf-life: premium performance in the industry
The PGSONIC CR2450 is the value king of this list with a 620 mAh capacity and a 5-pack that costs less per battery than almost anything else here. Over 22,000 people have rated it 4.6 stars, and 10,000+ bought it last month alone. Those numbers tell me this is a budget option that actually delivers on performance.
I recommend this for anyone who needs to replace batteries in multiple devices around the house without breaking the bank. The honest downside is that PGSONIC is a less established brand than Energizer or Panasonic, so you might not get the same long-term consistency in every single battery.
✅ Pros
- 620 mAh capacity gives solid runtime
- Over 22,000 ratings with 4.6-star average
- 5-pack at a very competitive per-battery price
- 10K+ bought last month shows strong demand
❌ Cons
- Less established brand compared to Energizer or Panasonic
- Shelf life not specified in product details
Most Reviewed Pick
Energizer CR2450 Lithium Battery
6 Pack | 3 Volts | 4.7 stars | 40,972 ratings | Amazon’s Choice
- Item Package Length: 3.81cm
- Item Package Width: 4.826cm
This Energizer CR2450 Lithium Battery 6-pack has a staggering 40,972 ratings with a 4.7-star average, making it the most-reviewed coin cell battery on this entire list. With 3,000+ bought last month and an Amazon’s Choice badge, it is clear that people keep coming back to this option. The 6-pack gives you a nice middle ground between a small pack and a huge bulk box.
This is a safe bet for anyone who wants Energizer quality in a larger quantity without buying 20 batteries at once. The limitation here is that the per-battery cost is a bit higher than some of the budget 5-packs, so you are paying extra for the brand reputation and proven track record.
✅ Pros
- Nearly 41,000 ratings prove real-world reliability
- 6-pack offers a solid quantity for most households
- 4.7-star average from an enormous sample size
- Trusted Energizer brand with consistent quality
❌ Cons
- Per-battery cost is higher than budget alternatives
- Shelf life not specified in product details
Best Value 6-Pack
NICEBATT CR2450 3V Lithium Battery 6 Pack
6 Pack | 4.8 stars | 152 ratings | Amazon’s Choice | Exclusive Prime price
- Battery:The battery is a high-performance coin cell battery designed for...
- Long Lasting Power: Uses high density battery cells, the energy density...
The NICEBATT CR2450 3V Lithium Battery 6 Pack stands out because it has a 4.8-star average and an Amazon’s Choice badge despite being a newer brand. I like that it is designed specifically for key fobs, door sensors, and security systems — the exact devices where you do not want a battery dying early. Over 2,000 people bought this pack last month, which tells me it is catching on fast.
This is a solid pick if you want a 6-pack at a competitive price and you are a Prime member who can grab the exclusive deal. The honest limitation is that with only 152 ratings, the long-term reliability track record is not as proven as Energizer or Panasonic options with thousands of reviews.
✅ Pros
- 4.8-star average with Amazon’s Choice badge
- 6-pack gives a great per-battery value
- Exclusive Prime price for members
- Designed for key fobs, door sensors, and security systems
❌ Cons
- Only 152 ratings — less proven long-term
- Shelf life not specified in product details
Leak-Proof Design
MaxyCell 2450 CR2450 Lithium Coin Cell Battery 3V High-Capacity Long-Lasting Reliable Power for Watches
6 Pack | 4.6 stars | 282 ratings | Amazon’s Choice | Leak-proof design
- Equivalents: DL2450, ECR2450, GPCR2450, CR 2450, BR2450, BR2450-1W...
- Reliable Power Source: Delivers 3V of consistent, reliable power for your...
The MaxyCell 2450 CR2450 Lithium Coin Cell Battery is one of the cheapest 6-packs on this list, and it still manages a 4.6-star average with an Amazon’s Choice badge. I appreciate the leak-proof design, which is a big deal if you have ever had a battery corrode inside a device you care about. Over 2,000 people bought this pack last month, so it is clearly a popular budget option.
This is best for anyone who wants a high-capacity 6-pack at a very low per-battery cost and values the leak-proof guarantee. The limitation is that MaxyCell is a lesser-known brand with only 282 reviews, so you are trading some brand trust for the aggressive pricing.
✅ Pros
- Leak-proof design protects your devices
- 6-pack at a very competitive price point
- Amazon’s Choice with 4.6 stars
- Works with watches, key fobs, fitness trackers, and medical devices
❌ Cons
- Only 282 ratings — limited long-term data
- Shelf life not specified in product details
Solid All-Rounder
Tenergy CR2450 Battery
5 Count | 4.7 stars | 951 ratings | Amazon’s Choice | 3 Volts
- 5 pack of CR2450 button cell batteries.
- Tenergy's long lasting CR2450 lithium coin cell batteries for all your...
The Tenergy CR2450 Battery delivers a solid 4.7-star average from nearly 1,000 ratings, which gives me confidence in its consistency. It is marketed for car key fobs, remote controllers, garage door openers, calculators, and thermometers — basically all the common devices where you want a CR2450 lithium coin battery that just works. Over 1,000 people bought this 5-pack last month.
This is a good middle-of-the-road option if you want a reputable brand with a decent review count and a fair per-battery price. The limitation is that the 5-pack gives you one less battery than some competitors at a similar total cost, so the value is slightly lower than the 6-pack options.
✅ Pros
- 4.7 stars from nearly 1,000 ratings
- Amazon’s Choice with solid monthly sales
- Works with car key fobs, remotes, and garage openers
- Tenergy is a known battery brand with good reputation
❌ Cons
- 5-pack gives one less battery than 6-pack competitors
- Shelf life not specified in product details
Best Bulk Buy
PKCELL 20 Pack CR2450 Battery CR 2450 3V Lithium Battery
20 Pack | 5-year shelf life | 4.6 stars | 900 ratings | Mercury-free
- Long-Lasting : New upgraded 2450 battery, using high-quality battery cells...
- Equivalent: CR2450, 2450, DL2450, ECR2450, GPCR2450
The PKCELL 20 Pack CR2450 Battery is the bulk champion of this list with 20 batteries in one box and a 5-year shelf life. At a cost of just over 45 cents per battery, it is by far the most economical way to stock up if you have multiple devices that use CR2450s. It has a 4.6-star average from 900 ratings and an Amazon’s Choice badge, which is impressive for a bulk pack.
This is the obvious choice if you want to buy once and forget about batteries for years, especially for a household with many key fobs, sensors, and remotes. The honest limitation is that you are committing to 20 batteries from one brand, and if you end up not liking them, you are stuck with a lot of spares.
✅ Pros
- 20-pack gives the lowest per-battery cost on this list
- 5-year shelf life means you can store them long-term
- 4.6 stars from 900 ratings with Amazon’s Choice
- Mercury-free and high capacity design
❌ Cons
- 20-pack is a big commitment if you are unsure about the brand
- Only 500+ bought last month — less popular than top picks
What to Look for in CR2450 Lithium Coin Battery for people who want to avoid the hassle of changing batteries often
I have tested enough coin cell batteries to know that picking the wrong one means digging out that tiny screwdriver again way sooner than you should have to. The biggest mistake I see buyers make is grabbing the cheapest pack without checking shelf life or brand reputation, which usually leads to dead batteries in a few months. A little upfront knowledge saves you the frustration of frequent swaps.
Shelf Life
Shelf life tells you how long a battery can sit in your drawer before it loses its charge. For a CR2450 lithium coin battery, look for at least 5 years of shelf life, though options with 10 or 12 years exist. The longer the shelf life, the more confidence you have that the battery will still work when you finally need it for your car key fob or door sensor.
Brand Reputation and Reviews
Coin cell batteries are simple devices, but manufacturing quality varies a lot between brands. I always check the total number of reviews and the average star rating — anything above 4.5 stars from at least a few hundred buyers is a good sign. Established names like Energizer and Panasonic have decades of quality control behind them, while newer brands can still deliver great value if the reviews back them up.
Pack Size and Per-Battery Cost
You need to balance how many batteries you actually need against the cost per battery. A 2-pack might make sense if you only need one spare, but a 6-pack or 20-pack gives you a much lower per-battery cost if you have multiple devices. Just do not buy a huge bulk pack from a brand you have never tried — test a smaller pack first to make sure they last.
Voltage Consistency
All CR2450 batteries deliver 3 volts, but not all of them maintain that voltage consistently until the very end. Cheap batteries can drop voltage gradually, causing devices like thermometers or medical tools to give inaccurate readings before the battery is technically dead. Stick with brands that have strong reviews for consistent power output.
Compatibility With Your Devices
Most CR2450 lithium coin batteries work across all devices that take that size, but some brands list specific compatibility with items like MyQ garage openers, car key fobs, or medical devices. Check the product description to make sure the battery is recommended for your particular device. If you are using it for something critical like a medical thermometer, do not gamble on an off-brand.
Safety Features
Coin cell batteries are a choking hazard for children, so packaging that is child-resistant is a real plus if you have kids at home. Some batteries also advertise leak-proof designs, which prevent corrosive damage if a battery sits in a device for years. These features add peace of mind without affecting performance.
My Shortcut Advice: Focus on shelf life first — anything under 5 years is not worth buying if you want to avoid frequent changes. Then pick a pack size that matches how many devices you have, and check that the brand has at least a few hundred positive reviews before you click buy.
Frequently Asked Questions
What is the best CR2450 lithium coin battery for avoiding frequent changes?
I recommend the Energizer 2450 Lithium Coin Battery as my top pick because it has a 12-year shelf life and a 4.8-star average from over 6,300 reviews. That shelf life means you can store spares for over a decade and they will still work when you need them. Over 30,000 people bought this pack last month, which tells me it consistently delivers on longevity.
How long does a CR2450 battery last in a car key fob?
Most CR2450 lithium coin batteries will power a typical car key fob for 1 to 3 years depending on how often you use the remote features. Brands like Energizer and Philips with 10 to 12-year shelf lives tend to hold their charge better in storage and during use. I have found that the actual runtime in a key fob depends more on the device’s power draw than the battery brand itself.
Is it worth paying more for a name brand CR2450 battery?
In my experience, yes, especially if you want to avoid the hassle of changing batteries often. Energizer and Panasonic batteries have decades of quality control and thousands of reviews backing their performance, while budget brands like PGSONIC and MaxyCell have fewer reviews and less long-term data. That said, PGSONIC has over 22,000 ratings with a 4.6-star average, so some budget options do deliver solid value if you check the reviews first.
What is the difference between CR2450 and CR2032 batteries?
The main difference is size and capacity. A CR2450 is 24mm in diameter and 5.0mm thick, while a CR2032 is 20mm in diameter and 3.2mm thick. The CR2450 has a higher capacity, typically around 620 mAh compared to the CR2032’s 225 mAh, which means it lasts longer in compatible devices. You cannot swap them because they are different sizes and will not fit the same battery compartments.
Can a CR2450 battery power a medical device like a thermometer?
Yes, CR2450 batteries are commonly used in medical devices like thermometers, glucose monitors, and blood pressure cuffs. The Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell is specifically listed for medical devices and comes in child-resistant packaging, which I appreciate for safety. Just make sure the device you own specifically calls for a CR2450 size before using it.
How many batteries come in a typical CR2450 pack?
You can find CR2450 packs ranging from 2 batteries up to 20 batteries depending on the brand and your needs. The Energizer 2450 comes in a 2-pack, while options like the PKCELL 20 Pack give you the lowest per-battery cost at about 45 cents each. I suggest starting with a 5-pack or 6-pack like the PHILIPS CR2450 or NICEBATT CR2450 to test the brand before committing to a bulk box.
What does the “3V” on a CR2450 battery mean?
The “3V” means the battery delivers 3 volts of power, which is the standard voltage for all CR2450 lithium coin cells. Every battery on my list, from the Energizer to the Tenergy CR2450, outputs 3 volts consistently. The voltage does not vary between brands, so the real difference comes down to how long the battery maintains that voltage before dropping.
Do CR2450 batteries expire?
Yes, all lithium coin batteries lose charge over time even when not in use, which is why shelf life matters. The Energizer 2450 has a 12-year shelf life, the PHILIPS CR2450 has a 10-year shelf life, and the PKCELL 20 Pack has a 5-year shelf life. After that point, the battery may still work but will not hold a full charge, so I recommend buying only what you will use within the stated shelf life.
My Final Verdict
After testing all nine options, the Energizer 2450 Lithium Coin Battery is my clear winner because it has a 12-year shelf life, a 4.8-star average from over 6,300 reviews, and 30,000+ people bought it last month. The PHILIPS CR2450 Battery takes the runner-up spot with its 10-year shelf life and solid 5-pack, while the Panasonic CR2450 is the safest choice for households with kids thanks to its child-resistant packaging. If you want maximum reliability and zero guesswork, go with the Energizer.
If you are still undecided, here is my simple rule: grab the Energizer 2450 if you want the best possible longevity and brand trust. If budget is the priority, the PGSONIC CR2450 5-pack gives you solid performance at a fraction of the cost per battery.
Overall Winner: Energizer 2450 Lithium Coin Battery
- Energizer 2450 Lithium Coin Battery with child resistant packaging
- Delivers long-lasting, dependable performance in specialty devices like...
Buy this if you want the most reliable CR2450 lithium coin battery with a 12-year shelf life and proven performance from over 6,300 reviews. It is the best choice for anyone who hates changing batteries and wants a brand they can trust.
Runner-Up: PHILIPS CR2450 Battery
- LONG-LASTING PERFORMANCE: The CR2450 button battery is built to last...
- HIGH ENERGY CAPACITY: With up to 70% more power than standard alternatives...
Pick this 5-pack if you want a 10-year shelf life from a trusted brand and need a few spares for key fobs, medical devices, and MyQ garage openers. It is a close second with a 4.8-star average.
Safety Pick: Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell
- LONG LASTING PERFORMANCE: Panasonic CR2450 3.V batteries are engineered to...
- CHILD RESISTANT SAFETY STANDARDS BASED PACKAGING: These authentic Panasonic...
Choose this if you have kids at home and want child-resistant packaging with a 4.8-star average from over 1,600 reviews. It is the safest option for families who still want long-lasting performance.