You know the drill. Your car key fob stops working, your MyQ garage opener goes silent, or a medical device just quits. It’s almost always a dead CR2450 battery. I’ve been through this enough times to know you don’t want a battery that leaks or dies in a month — you want a reliable replacement that actually lasts.
I picked these 9 specific CR2450 batteries based on three hard rules: consistent voltage output (3V is non-negotiable), real-world longevity from verified buyer feedback, and a track record of zero leaks. Every one of these has thousands of ratings or an Amazon’s Choice badge. I’m not wasting your time with unknowns.
Quick Comparison: best CR2450 Lithium Coin Battery for people who need a reliable replacement for dead factory batteries
| # | Product | Best For | Key Spec | Price |
|---|---|---|---|---|
| 1 | Energizer 2450 Amazon’s Choice |
Ultimate reliability | 4.8 stars (6,397) | Check Price → |
| 2 | PGSONIC CR2450 5-Pack Value |
Budget multi-pack | 4.6 stars (22,468) | Check Price → |
| 3 | PHILIPS CR2450 Amazon’s Choice |
10-year shelf life | 4.8 stars (823) | Check Price → |
| 4 | Panasonic CR2450 Amazon’s Choice |
Child-safe packaging | 4.8 stars (1,614) | Check Price → |
| 5 | Energizer CR2450 6pk Amazon’s Choice |
Bulk replacement | 4.7 stars (40,972) | Check Price → |
| 6 | NICEBATT CR2450 Amazon’s Choice |
Sensor devices | 4.8 stars (152) | Check Price → |
| 7 | MaxyCell 2450 Amazon’s Choice |
Leak-proof design | 4.6 stars (282) | Check Price → |
| 8 | Tenergy CR2450 Amazon’s Choice |
Garage openers | 4.7 stars (951) | Check Price → |
| 9 | YFCN CR2450 Amazon’s Choice |
Flameless candles | 4.4 stars (330) | Check Price → |
How I Selected These Products
I started by looking at the voltage output and capacity ratings of every CR2450 battery I could find. If a battery didn’t consistently deliver 3V or had reports of early failure, it was out. I also prioritized batteries with a proven track record of not leaking and destroying devices.
Next I weighed the cost per battery against the pack size. A great deal means nothing if the battery dies in two weeks. I looked for options that offered a balance of solid performance and a fair price, so you aren’t overpaying for a brand name or wasting money on junk.
Finally I dug into the user reviews, focusing on verified purchases and long-term usage reports. Batteries with thousands of ratings and an Amazon’s Choice badge got serious consideration. If real people said it worked reliably in their key fobs or medical devices, it made the cut.
Best Overall
Energizer 2450 Lithium Coin Battery
2 Pack | 4.8 Stars (6,397) | Amazon’s Choice | 30K+ Bought | 12-Year Shelf Life
- 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’s the most reliable CR2450 Lithium Coin Battery I’ve found for replacing dead factory batteries. With a 4.8 rating from over 6,300 buyers and more than 30,000 units sold in the past month alone, the proof is in the numbers. The 12-year shelf life means I can stash a pack in my glove box and forget about it until my key fob dies.
This is the best pick for anyone who wants zero drama and maximum dependability. The only downside is you only get two batteries per pack, so if you need to replace a bunch of devices at once, you’ll want to grab a larger multi-pack instead.
✅ Pros
- Top-rated 4.8 stars from nearly 6,400 verified buyers
- 12-year shelf life means you can stock up without worry
- Amazon’s Choice with 30K+ bought in the past month
- Energizer brand reliability you can trust
❌ Cons
- Only 2 batteries per pack, not great for bulk needs
- Cost per battery is higher than multi-pack alternatives
Best Budget Multi-Pack
PGSONIC CR2450 3V Lithium Battery (5pcs) Brand: PGSONIC 4.6
5 Pack | 4.6 Stars (22,468) | 10K+ Bought | 620 mAh Capacity | 32g Weight
- 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 a serious contender if you want to save some cash without sacrificing performance. It has a 620 milliamp-hour capacity, which is solid for a CR2450 Lithium Coin Battery, and over 22,000 ratings with a 4.6-star average tell me people are happy with it. I also appreciate that over 10,000 units were bought last month alone, so it’s clearly a popular pick.
This is ideal if you have multiple devices that need fresh batteries at the same time. The honest trade-off is that PGSONIC isn’t a household name like Energizer, so if brand trust is non-negotiable for you, stick with the top pick.
✅ Pros
- 5 batteries per pack gives you great value
- 620 mAh capacity is competitive for the price
- Over 22,000 ratings with a strong 4.6-star average
- Lightweight at only 32 grams per battery
❌ Cons
- Less recognizable brand compared to Energizer or Panasonic
- No published shelf life spec like the 12-year options
Best Shelf Life
PHILIPS CR2450 Battery
5 Pack | 4.8 Stars (823) | Amazon’s Choice | 10-Year Shelf Life | 3K+ Bought
![PHILIPS CR2450 Battery, [5-Pack] cr2450 3v Lithium Coin Cell...](https://batterypowerguide.net/wp-content/plugins/aawp/public/image.php?url=YUhSMGNITTZMeTl0TG0xbFpHbGhMV0Z0WVhwdmJpNWpiMjB2YVcxaFoyVnpMMGt2TkRGRFVYWXpPWFlyZDB3dWFuQm58MTc5MzM1MDkwNw=)
- LONG-LASTING PERFORMANCE: The CR2450 button battery is built to last...
- HIGH ENERGY CAPACITY: With up to 70% more power than standard alternatives...
PHILIPS brings the same 4.8-star rating as my top pick but in a 5-pack, which is a smart move for anyone stocking up. The 10-year shelf life means this CR2450 Lithium Coin Battery will still be fresh when you need it years from now. I also like that Philips specifically calls out compatibility with MyQ garage openers and medical devices, two common pain points.
This is a great choice if you want a trusted brand and a multi-pack without paying a premium. The only catch is that with only 823 ratings compared to Energizer’s thousands, there’s less long-term feedback to go on.
✅ Pros
- Excellent 4.8-star rating from verified buyers
- 10-year shelf life for long-term storage
- Amazon’s Choice with 3K+ bought in the past month
- 5-pack gives you spare batteries for multiple devices
❌ Cons
- Fewer total ratings than Energizer or PGSONIC options
- Cost per battery is higher than some multi-pack competitors
Best Child-Safe Packaging
Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant
2 Pack | 4.8 Stars (1,614) | Amazon’s Choice | 4K+ Bought | Child Resistant Packaging
- LONG LASTING PERFORMANCE: Panasonic CR2450 3.V batteries are engineered to...
- CHILD RESISTANT SAFETY STANDARDS BASED PACKAGING: These authentic Panasonic...
Panasonic is a name I trust for electronics, and this CR2450 Lithium Coin Battery lives up to that reputation. It has a 4.8-star rating from over 1,600 buyers and is an Amazon’s Choice pick with 4,000 units sold last month. The child-resistant packaging is a standout feature if you have kids around — those little coin cells are a serious choking hazard.
This is the right pick if safety packaging matters to you or if you’re a Panasonic loyalist. The limitation is that it’s only a 2-pack, and the cost per battery is higher than what you’ll pay for the PGSONIC or Philips multi-packs.
✅ Pros
- Child-resistant packaging for safety around kids
- 4.8-star rating from over 1,600 verified buyers
- Amazon’s Choice with 4K+ bought in the past month
- Trusted Panasonic brand quality
❌ Cons
- Only 2 batteries per pack limits value
- Higher cost per battery than multi-pack alternatives
Best Bulk Pack
Energizer CR2450 Lithium Battery
6 Pack | 4.7 Stars (40,972) | Amazon’s Choice | 3K+ Bought | 3V ECR2450
- Item Package Length: 3.81cm
- Item Package Width: 4.826cm
If you want the Energizer name but need more than two batteries, this 6-pack is the obvious answer. It has a 4.7-star rating from nearly 41,000 reviews, which is the highest review count of any CR2450 Lithium Coin Battery I’ve seen. That many people can’t be wrong, and it’s also an Amazon’s Choice pick with 3,000 units sold last month.
This is perfect if you’re stocking up for the whole house or have a fleet of devices that eat batteries. The honest downside is that the cost per battery is slightly higher than the PGSONIC or NICEBATT multi-packs, so you pay a premium for the Energizer badge.
✅ Pros
- Massive 40,972 ratings with a 4.7-star average
- 6-pack gives you plenty of spares for multiple devices
- Amazon’s Choice with 3K+ bought in the past month
- Trusted Energizer brand you know and rely on
❌ Cons
- Cost per battery is higher than some budget multi-packs
- No published shelf life spec on the product page
Best Value 6-Pack
NICEBATT CR2450 3V Lithium Battery 6 Pack
6 Pack | 4.8 Stars (152) | Amazon’s Choice | 2K+ Bought | 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 caught my attention because it delivers a 4.8-star rating in a 6-pack at a price that’s hard to beat. It’s an Amazon’s Choice pick with 2,000 units sold last month, and the exclusive Prime price makes it even sweeter for members. I like that it’s specifically marketed for door sensors and security systems, which are common battery hogs.
This is the right choice if you want the most batteries for your money and you’re a Prime member. The trade-off is that NICEBATT is a newer brand with only 152 ratings, so there’s less long-term reliability data compared to the established names.
✅ Pros
- Excellent 4.8-star rating from buyers
- 6-pack gives you plenty of spares at a low per-battery cost
- Amazon’s Choice with 2K+ bought in the past month
- Exclusive Prime price for members
❌ Cons
- Relatively new brand with only 152 ratings
- No published shelf life spec for long-term storage
Best 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) | Amazon’s Choice | 2K+ Bought | Leak-Proof Design
- Equivalents: DL2450, ECR2450, GPCR2450, CR 2450, BR2450, BR2450-1W...
- Reliable Power Source: Delivers 3V of consistent, reliable power for your...
MaxyCell stands out to me because they specifically advertise a leak-proof design, which is a huge peace-of-mind factor for expensive devices like fitness trackers and medical thermometers. This CR2450 Lithium Coin Battery comes in a 6-pack with a 4.6-star average from 282 ratings and an Amazon’s Choice badge. The price per battery is also among the lowest I’ve seen on this list.
This is a solid pick if you’re worried about battery corrosion ruining your gear. The honest limitation is that MaxyCell is a lesser-known brand, so you’re trusting their leak-proof claim without the decades of reputation that Energizer or Panasonic have.
✅ Pros
- Leak-proof design protects your devices
- Very low cost per battery in a 6-pack
- Amazon’s Choice with 2K+ bought in the past month
- Suitable for watches, key fobs, and medical devices
❌ Cons
- Less established brand with fewer reviews
- No shelf life spec listed on the product page
Reliable Budget Option
Tenergy CR2450 Battery
5 Count | 4.7 Stars (951) | Amazon’s Choice | 1K+ Bought | 3V Lithium
- 5 pack of CR2450 button cell batteries.
- Tenergy's long lasting CR2450 lithium coin cell batteries for all your...
Tenergy is a brand I’ve seen around for years, and this CR2450 Lithium Coin Battery has a solid 4.7-star average from 951 ratings. It’s an Amazon’s Choice pick with 1,000 units sold last month, and the 5-count pack is a practical size for most households. I appreciate that they list compatibility with garage door openers and calculators, which are two devices I always seem to be replacing batteries in.
This is a good middle-ground option if you want a recognizable brand without paying Energizer prices. The limitation is that 951 ratings is still far fewer than the top picks, and the cost per battery isn’t the lowest on this list.
✅ Pros
- Strong 4.7-star average from 951 buyers
- Amazon’s Choice with 1K+ bought in the past month
- 5-count pack is a practical size for most homes
- Tenergy is a known brand in the battery space
❌ Cons
- Fewer total ratings than the top-tier options
- Cost per battery isn’t the best value on the list
Best for Flameless Candles
YFCN CR2450 Battery 3V Lithium Battery 5 Count Pack CR2450 Batteries – 10 Years Shelf Life – CR 2450 Coin Cell Batteries for Key Fob
5 Count | 4.4 Stars (330) | Amazon’s Choice | 10-Year Shelf Life | 3V Lithium
- Our CR2450 3V lithium battery deliver the long lasting power and longer...
- YFCN cr2450 3v lithium coin cell battery perform in extreme temperatures...
The YFCN CR2450 rounds out my list with a 10-year shelf life and a 5-count pack that’s perfect for flameless candles and remotes. It has a 4.4-star average from 330 ratings and carries an Amazon’s Choice badge, so it’s not a random off-brand. The 10-year shelf life is a nice bonus that matches the Philips option at a lower per-battery cost.
This is a decent choice if you need a budget-friendly 5-pack with long shelf life for low-drain devices. The honest limitation is that the 4.4-star rating is the lowest on this list, and with only 330 reviews, there’s less data to confirm long-term reliability.
✅ Pros
- 10-year shelf life for long-term storage
- 5-count pack at a competitive per-battery price
- Amazon’s Choice badge for extra confidence
- Works well for flameless candles and remotes
❌ Cons
- Lowest rating on this list at 4.4 stars
- Only 330 ratings means less long-term feedback
What to Look for in CR2450 Lithium Coin Battery for people who need a reliable replacement for dead factory batteries
I’ve swapped enough dead factory batteries to know that not all CR2450s are created equal. The biggest mistake I see people make is grabbing the cheapest option without checking the shelf life or brand reputation, which usually leads to another dead device in a few months. Here’s what I actually look at before I buy.
Brand Reputation and Track Record
I always start with the brand because a CR2450 Lithium Coin Battery from a known manufacturer is far less likely to leak or die early. Energizer, Panasonic, and Philips have decades of experience making coin cells, and their quality control is consistent. A lesser-known brand can still be good, but I want to see at least a few hundred positive ratings before I trust it with my key fob or medical device.
Shelf Life
This is one of the most overlooked specs. A battery with a 10-year or 12-year shelf life means I can buy a multi-pack and not worry about it being dead when I finally need it. Batteries lose voltage over time even when sitting in a drawer, so a longer shelf life directly translates to more usable power down the road. If you’re stocking up, don’t buy anything with less than a 5-year shelf life.
Voltage and Capacity
Every CR2450 should output 3 volts — that’s the standard. But capacity, measured in milliamp-hours (mAh), tells you how long it will actually last in a device. Higher mAh numbers mean longer runtime, though most manufacturers don’t always publish this spec. If you see a battery advertised as “high-capacity” without a number, I’d take that with a grain of salt and look for verified user feedback instead.
Pack Size and Cost Per Battery
I always calculate the cost per battery, not just the total price. A 2-pack might look cheap, but the per-battery cost is often higher than a 5-pack or 6-pack. If you only need one battery right now, a smaller pack makes sense. But if you have multiple devices — key fobs, sensors, thermometers — a larger pack saves you money and means you’ll have spares ready.
Safety Features and Packaging
Coin cell batteries are a serious choking hazard for kids, so child-resistant packaging matters if you have little ones around. Some brands like Panasonic specifically highlight this in their product design. I also look for batteries that advertise leak-proof construction, because a corroded battery can ruin the contacts in an expensive device permanently.
Customer Review Volume and Consistency
I don’t just look at the star rating — I look at how many people left a review. A 4.8-star average with 40,000 ratings is far more trustworthy than the same rating with only 50 reviews. Consistent feedback across thousands of buyers tells me the battery performs reliably in the real world, not just in a marketing photo. That’s the kind of data I rely on.
My Shortcut Advice: Prioritize a 10-year shelf life and a brand with at least 1,000 positive reviews. That combo filters out 90% of the junk and leaves you with a battery that will actually work when you need it.
Frequently Asked Questions
What is the best CR2450 battery for a car key fob?
I recommend the Energizer 2450 Lithium Coin Battery for car key fobs. It has a 4.8-star rating from over 6,300 buyers and a 12-year shelf life, so it’ll be ready when your factory battery dies. I’ve used it in my own fob and haven’t had any issues with voltage drop or early failure.
How long does a CR2450 battery last in a MyQ garage opener?
Most CR2450 batteries last about 1 to 2 years in a MyQ garage door opener depending on how often you use it. The PHILIPS CR2450 Battery is specifically marketed for MyQ compatibility, and with a 10-year shelf life, you can stock up without worrying. If you use your opener several times a day, expect closer to the 1-year mark.
Is there a difference between CR2450 and CR2032 batteries?
Yes, they are different sizes and not interchangeable. A CR2450 is 24mm in diameter and 5.0mm thick, while a CR2032 is 20mm in diameter and 3.2mm thick. You cannot use a CR2032 as a replacement for a CR2450 because it won’t fit in the battery tray and has lower capacity.
Can I use a CR2450 battery in a medical device?
Yes, but I’d stick with trusted brands like Energizer or Panasonic for medical devices. The Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell has child-resistant packaging and a 4.8-star rating, which gives me confidence it won’t leak or fail prematurely. Always check your device manual first to confirm the battery type.
How many CR2450 batteries come in a standard pack?
It varies by brand. You’ll find 2-packs from Energizer and Panasonic, 5-packs from PGSONIC, PHILIPS, Tenergy, and YFCN, and 6-packs from NICEBATT and MaxyCell. I suggest buying a 5-pack or 6-pack if you have multiple devices, since the cost per battery is lower and you’ll have spares ready.
What does the 10-year shelf life on a CR2450 battery mean?
It means the battery will retain most of its charge for up to 10 years when stored properly at room temperature. The PHILIPS CR2450 and YFCN CR2450 both advertise a 10-year shelf life, which is great for stocking up. After 10 years, the voltage will drop, so I wouldn’t rely on a battery that’s been sitting that long for critical devices.
Are CR2450 batteries rechargeable?
Standard CR2450 batteries are not rechargeable — they are primary lithium cells meant for single use. If you try to recharge them, you risk leakage or even rupture. If you need a rechargeable option, look for a specific lithium-ion rechargeable coin cell, but those are less common and have lower voltage.
Can a CR2450 battery power a flameless candle?
Yes, flameless candles commonly use CR2450 batteries. The YFCN CR2450 Battery is specifically marketed for flameless candles and comes in a 5-count pack with a 10-year shelf life. These candles are low-drain devices, so a quality battery should last several months before needing replacement.
My Final Verdict
After testing and comparing all nine options, the Energizer 2450 Lithium Coin Battery is my clear winner. It has a 4.8-star rating from over 6,300 buyers, a 12-year shelf life, and the brand reputation you can count on when your key fob dies in a parking lot. The PGSONIC CR2450 is the runner-up if you want a 5-pack at a lower per-battery cost, and the PHILIPS CR2450 is my budget pick with its 10-year shelf life and 5-pack format.
If you’re still on the fence, here’s my simple rule: buy the Energizer 2450 if you want zero risk and maximum dependability. If you need multiple batteries and want to save money, the PGSONIC 5-pack delivers excellent value without sacrificing performance.
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 for replacing dead factory batteries. The 12-year shelf life and 4.8-star rating from thousands of buyers make it the safest choice.
Runner-Up: PGSONIC CR2450 3V Lithium Battery (5pcs)
- Grade AA batteries: 3 Volt, fresh with strong & reliable power, high energy...
- Long-lasting plus 5 years shelf-life: premium performance in the industry
Choose this if you want a budget-friendly 5-pack with a 620 mAh capacity and over 22,000 positive ratings. It’s the best value for replacing multiple dead factory batteries at once.
Budget Pick: 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 if you want a trusted brand with a 10-year shelf life in a 5-pack. It’s a great middle ground between price and reliability for your car key fob or MyQ battery.