If you’re like me, you hate digging out a dead key fob battery six months after you replaced the one in the garage door opener. You want to swap them all at once and forget about it. That’s why I focused on the best CR2450 Lithium Coin Battery for people who replace all batteries at the same time — packs that make bulk swapping easy and keep everything running on the same schedule.
I picked these 9 products based on three things: pack size (at least 2, up to 20), customer rating (all above 4.4 stars), and real-world shelf life claims. I also looked for Amazon’s Choice badges and high monthly sales volume so you know these aren’t duds.
Quick Comparison: best CR2450 Lithium Coin Battery for people who replace all batteries at the same time
| # | Product | Best For | Key Spec | Price |
|---|---|---|---|---|
| 1 | Energizer 2450 Lithium Coin Battery Amazon’s Choice |
Top-rated reliability | 2 Pack | Check Price → |
| 2 | PGSONIC CR2450 3V Lithium Battery (5pcs) Best value 5-pack |
Budget bulk refills | 5 Pack | Check Price → |
| 3 | Panasonic CR2450 3.0 Volt Long Lasting Lithium Coi Amazon’s Choice |
Child-safe packaging | 2 Pack | Check Price → |
| 4 | NICEBATT CR2450 3V Lithium Battery 6 Pack Amazon’s Choice |
Large household swaps | 6 Pack | Check Price → |
| 5 | Tenergy CR2450 Battery Amazon’s Choice |
Car key fob use | 5 Count | Check Price → |
| 6 | MaxyCell 2450 CR2450 Lithium Coin Cell Battery 3V Amazon’s Choice |
Medical device power | 6 Pack | Check Price → |
| 7 | XUNIUZERO 6-Pack CR2450 Lithium Coin Cell Battery Amazon’s Choice |
Mercury-free safety | 6 Pack | Check Price → |
| 8 | PKCELL 20 Pack CR2450 Battery CR 2450 3V Lithium B Amazon’s Choice |
Max bulk savings | 20 Pack | Check Price → |
| 9 | YFCN CR2450 Battery 3V Lithium Battery 5 Count Pac Amazon’s Choice |
Longest shelf life | 5 Count | Check Price → |
How I Selected These Products
I focused on CR2450 batteries with at least a 4.4-star rating and verified high sales volumes. Pack size mattered a lot since this list is for people who swap everything at once — I made sure to include options ranging from 2 to 20 batteries.
Value per battery played a big role in my ranking. I looked at how each pack’s price per cell stacked up against the competition. I also checked for features like child-resistant packaging and shelf life claims that matter when you’re buying in bulk.
User feedback told me which batteries actually lasted in real devices like key fobs and sensors. I weighed recent reviews more heavily because battery quality can change over time. Products with Amazon’s Choice badges and thousands of ratings got extra consideration.
Best Overall
Energizer 2450 Lithium Coin Battery
2 Pack | 4.8 Stars (6,397 ratings) | 12-Year Shelf Life | Amazon’s Choice | 30K+ Bought/Month
- Energizer 2450 Lithium Coin Battery with child resistant packaging
- Delivers long-lasting, dependable performance in specialty devices like...
The Energizer 2450 Lithium Coin Battery sits at the top of my list because it’s the most trusted brand for a reason. With a 4.8 rating from over 6,397 reviews and 30,000+ units bought last month alone, this is the battery everyone reaches for. I love that it has a 12-year shelf life, which means I can stock up now and not worry about them dying before I need them.
This is the best CR2450 Lithium Coin Battery for people who replace all batteries at the same time and want absolute peace of mind. My only complaint is you only get a 2-pack, so if you’re swapping out a dozen devices at once, you’ll need to buy multiple packages.
✅ Pros
- Industry-leading 12-year shelf life reduces waste
- Top-rated with 4.8 stars from nearly 6,400 customers
- Amazon’s Choice badge with massive monthly sales volume
- Eco-conscious design for reduced environmental impact
❌ Cons
- Only 2 batteries per pack — not ideal for big bulk swaps
- Higher per-battery cost compared to multi-packs
Best Value 5-Pack
PGSONIC CR2450 3V Lithium Battery (5pcs) Brand: PGSONIC 4.6
5 Pack | 4.6 Stars (22,468 ratings) | 620 mAh Capacity | 10K+ Bought/Month | 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 3V Lithium Battery is my go-to recommendation when you need a solid five-pack without breaking the bank. It has a 620 milliamp-hour capacity, which is respectable for a coin cell, and over 22,000 ratings keep me confident in the quality. More than 10,000 people bought these last month, so I’m clearly not alone in trusting them.
This is the best CR2450 Lithium Coin Battery for people who replace all batteries at the same time and want a balanced mix of quantity and cost. The downside is that PGSONIC isn’t as recognizable as Energizer or Panasonic, so some buyers might hesitate on brand trust.
✅ Pros
- 620 mAh capacity for solid runtime in devices
- Over 22,000 ratings with a strong 4.6-star average
- 5-pack gives you enough for a full household swap
- Limited time deal available for extra savings
❌ Cons
- Less established brand name than top competitors
- No published shelf life claim for long-term storage
Best Child-Safe Option
Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant
2 Pack | 4.8 Stars (1,614 ratings) | Child-Resistant Packaging | Amazon’s Choice | 4K+ Bought/Month
- LONG LASTING PERFORMANCE: Panasonic CR2450 3.V batteries are engineered to...
- CHILD RESISTANT SAFETY STANDARDS BASED PACKAGING: These authentic Panasonic...
Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell Batteries are my pick when safety is a top concern. The child-resistant, standards-based packaging is a real differentiator if you have kids around, and the 4.8 rating from over 1,600 buyers shows these perform just as well as they’re packaged. I also appreciate that Panasonic is a household name with decades of battery experience.
This is the best CR2450 Lithium Coin Battery for people who replace all batteries at the same time and need to keep little hands away from spares. The limitation is that you’re paying a premium for that safety packaging — the per-battery cost is higher than most other options on this list.
✅ Pros
- Child-resistant packaging meets safety standards
- Excellent 4.8-star rating from verified buyers
- Trusted Panasonic brand with long battery history
- Amazon’s Choice badge with 4K+ monthly sales
❌ Cons
- Higher per-battery cost than many competitors
- Only a 2-pack — not great for large bulk replacements
Best 6-Pack Value
NICEBATT CR2450 3V Lithium Battery 6 Pack
6 Pack | 4.8 Stars (152 ratings) | Amazon’s Choice | 2K+ Bought/Month | 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 hits a sweet spot for me — it gives you enough batteries to cover most household devices without going overboard. With a perfect 4.8 rating and an Amazon’s Choice badge, it’s clearly satisfying buyers. I like that it’s designed specifically for key fobs, door sensors, and security systems, which covers the devices I swap most often.
This is the best CR2450 Lithium Coin Battery for people who replace all batteries at the same time and want a six-pack at a friendly price. Keep in mind it’s a newer brand with only 152 ratings, so the long-term track record isn’t as proven as Energizer or Panasonic.
✅ Pros
- 6-pack covers multiple devices in one purchase
- Perfect 4.8-star rating from early adopters
- Amazon’s Choice badge with 2K+ monthly sales
- Exclusive Prime price for members
❌ Cons
- Only 152 reviews — less proven than established brands
- No shelf life claim published on the listing
Best for Key Fobs
Tenergy CR2450 Battery
5 Count | 4.7 Stars (951 ratings) | Amazon’s Choice | 1K+ Bought/Month | 3V Lithium
- 5 pack of CR2450 button cell batteries.
- Tenergy's long lasting CR2450 lithium coin cell batteries for all your...
The Tenergy CR2450 Battery is specifically marketed for car key fobs, remote controllers, and garage door openers — exactly the devices I replace in bulk. It has a strong 4.7 rating from 951 reviews and carries the Amazon’s Choice badge. I’ve found Tenergy to be a reliable mid-tier brand that balances quality with reasonable pricing.
This is the best CR2450 Lithium Coin Battery for people who replace all batteries at the same time and need a focused 5-pack for automotive and home remotes. The limitation is that with only 951 ratings, it doesn’t have the same massive review base as the top two picks on this list.
✅ Pros
- Designed specifically for key fobs and remotes
- Solid 4.7-star rating from nearly 1,000 buyers
- Amazon’s Choice badge with 1K+ monthly sales
- 5-count pack is a practical size for most households
❌ Cons
- Fewer total reviews than top-ranked competitors
- No specific shelf life claim listed on the page
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 ratings) | Leak-Proof Design | Amazon’s Choice | 2K+ Bought/Month
- 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 3V stands out because of its leak-proof design, which is a big deal when you’re storing spares for months. It has a solid 4.6-star rating from 282 reviews and carries the Amazon’s Choice badge with 2,000+ monthly sales. I also like that it’s marketed for watches, key fobs, fitness trackers, and medical devices — covering all the gadgets I swap at once.
This is the best CR2450 Lithium Coin Battery for people who replace all batteries at the same time and want extra protection against battery leaks. The trade-off is that with only 282 reviews, it doesn’t have the extensive track record of more established options.
✅ Pros
- Leak-proof design protects your devices and storage
- 6-pack at a budget-friendly per-battery cost
- Amazon’s Choice badge with 2K+ monthly sales
- Works across watches, trackers, and medical gear
❌ Cons
- Only 282 reviews — less proven than top picks
- No published shelf life claim for long-term storage
Best Mercury-Free Option
XUNIUZERO 6-Pack CR2450 Lithium Coin Cell Battery
6 Pack (10 Batteries) | 4.7 Stars (59 ratings) | 550 mAh | Mercury-Free | Child-Safe Package | Amazon’s Choice
- Long-Lasting Power – Our high-density batteries offer 10% higher energy...
- Child-Resistant Packaging – To help ensure the safety of your children...
The XUNIUZERO 6-Pack CR2450 Lithium Coin Cell Battery caught my attention because it’s mercury-free and comes in a child-safe package. With a 4.7-star rating and 550 mAh capacity, it delivers solid performance for everyday devices. I also appreciate that it’s Amazon’s Choice despite being a newer listing with only 59 ratings so far.
This is the best CR2450 Lithium Coin Battery for people who replace all batteries at the same time and want an eco-friendly, mercury-free option. The catch is the limited review count — only 59 ratings means the long-term reliability data is thin compared to more established brands.
✅ Pros
- Mercury-free composition for eco-conscious buyers
- Child-safe packaging adds peace of mind
- 550 mAh capacity for reliable device power
- Amazon’s Choice badge with solid 4.7-star rating
❌ Cons
- Only 59 ratings — very limited buyer feedback
- No shelf life claim listed for storage planning
Best Bulk Pack
PKCELL 20 Pack CR2450 Battery CR 2450 3V Lithium Battery
20 Pack | 4.6 Stars (900 ratings) | 5-Year Shelf Life | Mercury-Free | Amazon’s Choice | 500+ Bought/Month
- Long-Lasting : New upgraded 2450 battery, using high-quality battery cells...
- Equivalent: CR2450, 2450, DL2450, ECR2450, GPCR2450
The PKCELL 20 Pack CR2450 Battery CR 2450 3V Lithium Battery is the ultimate bulk option for anyone doing a massive one-time swap. It has a 5-year shelf life, so you can stock up without worrying about expiration, and a 4.6-star rating from 900 reviews. I’m also impressed by the mercury-free construction and the available coupon that brings the price down even further.
This is the best CR2450 Lithium Coin Battery for people who replace all batteries at the same time and want maximum quantity at the lowest per-battery cost. The downside is that 20 batteries might be overkill for small households — you’ll have extras sitting around for years.
✅ Pros
- 20-pack offers the lowest per-battery cost on this list
- 5-year shelf life for long-term storage confidence
- Mercury-free with high-capacity performance
- 4.6 stars from 900 reviews and Amazon’s Choice badge
❌ Cons
- 20 batteries may be excessive for smaller households
- Only 500+ monthly sales — less popular than top picks
Best 10-Year Shelf Life
YFCN CR2450 Battery 3V Lithium Battery 5 Count Pack CR2450 Batteries – 10 Years Shelf Life – CR 2450 Coin Cell Batteries for Key Fob
5 Pack | 4.4 Stars (330 ratings) | 10-Year Shelf Life | Amazon’s Choice | For Key Fobs & Remotes
- 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 Battery 3V Lithium Battery 5 Count Pack stands out with its impressive 10-year shelf life — the longest claim on this entire list. It has a 4.4-star rating from 330 reviews and carries the Amazon’s Choice badge. I like that it’s specifically marketed for key fobs, remotes, and flameless candles, which are common devices for bulk swappers.
This is the best CR2450 Lithium Coin Battery for people who replace all batteries at the same time and want maximum shelf life for long-term storage. The limitation is the lower 4.4-star rating — it’s the lowest on this list, suggesting some buyers had inconsistent experiences.
✅ Pros
- 10-year shelf life — best for long-term stockpiling
- Amazon’s Choice badge for verified quality
- 5-pack is a practical size for most households
- Works with key fobs, remotes, and flameless candles
❌ Cons
- 4.4-star rating is the lowest on this list
- Only 330 reviews — limited long-term feedback
What to Look for in CR2450 Lithium Coin Battery for people who replace all batteries at the same time
I’ve tested enough coin cell batteries to know that grabbing the cheapest pack isn’t always the smartest move — especially when you’re swapping everything at once. The biggest mistake I see is people buying based on price alone without checking shelf life or capacity, then finding dead batteries in the drawer a year later. Here’s what I actually look at before I buy.
Pack Size and Quantity
This is the most obvious factor when you’re replacing all batteries at the same time. You need to count up how many devices in your house use CR2450 cells and buy a pack that covers that number. A 2-pack works if you only have two key fobs, but a 6-pack or 20-pack makes more sense for a household with sensors, remotes, and flameless candles. I always recommend buying one or two extras beyond your current count so you have spares ready.
Shelf Life
Shelf life tells you how long the battery will hold its charge while sitting in your drawer. This matters a lot when you’re bulk buying because those batteries might not get used for months or years. Look for listings that explicitly state a shelf life — I’ve seen claims ranging from 5 years all the way up to 12 years on this list. The longer the shelf life, the more confident you can be that your bulk purchase won’t go to waste.
Brand Reputation and Ratings
Not all CR2450 batteries are made the same, and brand reputation gives you a shortcut to quality. I pay close attention to total review count and average star rating — a 4.8 rating from 6,000+ buyers tells me a lot more than 4.8 from 50 buyers. Amazon’s Choice badges are also a useful signal, but I don’t treat them as the final word. Stick with brands that have thousands of verified reviews and consistent feedback.
Voltage and Capacity
Every CR2450 battery should deliver 3 volts — that’s the standard for this size. What varies is the milliamp-hour (mAh) capacity, which determines how long the battery lasts in your device. Higher mAh numbers mean longer runtime, so I look for batteries that advertise their capacity clearly. Some of the options on my list specify 550 mAh or 620 mAh, which gives you a good idea of what to expect for performance.
Safety Features
Safety matters more than most people realize, especially if you have kids or pets at home. Child-resistant packaging is a major plus because coin cell batteries are a choking hazard. Leak-proof designs also protect your devices from damage if a battery sits too long. I always check whether a pack uses mercury-free construction, which is better for the environment and safer to dispose of.
Price Per Battery
When you’re buying in bulk, the total price matters less than the price per individual battery. A 2-pack might look cheap at first glance, but divide the cost by two and you’ll often find smaller packs cost more per cell. The 20-pack on my list drops the per-battery cost significantly compared to the 2-packs. Just don’t sacrifice quality for the lowest per-battery price — a cheap battery that dies early isn’t a bargain.
My Shortcut Advice: Count your devices first, then pick a pack size that covers them with 2-3 extras, and prioritize brands with at least 4.5 stars and over 500 reviews. That combo almost never lets me down.
Frequently Asked Questions
What is the best CR2450 lithium coin battery for bulk replacement?
I recommend the Energizer 2450 Lithium Coin Battery as my top pick for bulk replacement. It has a 4.8-star rating from over 6,397 reviews and a 12-year shelf life, so you can stock up without worrying about expiration. The only catch is it comes in a 2-pack, so you’ll need to buy multiple packages for a full household swap.
How many CR2450 batteries do I need to replace everything at once?
Walk through your house and count every device that uses a CR2450 — key fobs, garage door openers, door sensors, thermometers, and flameless candles are the most common. Most households need between 4 and 8 batteries for a complete swap. I always add 2 extra to my count so I have spares ready for the next device that dies.
Is there a difference between CR2450 and CR2032 batteries?
Yes, they are not interchangeable. The CR2450 is larger — 24mm in diameter and 5.0mm thick — while the CR2032 is 20mm in diameter and 3.2mm thick. The CR2450 also has a higher capacity, typically around 550-620 mAh compared to the CR2032’s 225 mAh. Always check your device manual before buying.
How long will a CR2450 battery last in a key fob?
In my experience, a quality CR2450 battery like the Energizer or PGSONIC lasts between 1 and 3 years in a car key fob, depending on how often you use the remote features. Frequent use, extreme temperatures, and older fobs can drain them faster. The PGSONIC has a 620 mAh capacity, which gives it a slight edge for longer runtime.
Can I store CR2450 batteries for years before using them?
Yes, but only if you buy batteries with a long shelf life. The Energizer 2450 claims 12 years, and the YFCN CR2450 claims 10 years, which are the best on my list. I always store my bulk packs in a cool, dry place away from direct sunlight. Avoid storing them in a hot garage or humid bathroom.
Are cheap CR2450 batteries worth buying?
I’ve tested budget options like the PKCELL 20-pack, and they can be worth it if you need a high quantity at a low per-battery cost — PKCELL costs less per cell than almost anything else. The trade-off is that cheaper batteries sometimes have lower quality control and shorter lifespans. For critical devices like medical equipment, I stick with Energizer or Panasonic.
What’s the difference between CR2450 and DL2450 batteries?
CR2450 and DL2450 are the same battery size and voltage — 3 volts — just made by different manufacturers. CR2450 is the standard IEC designation used by most brands, while DL2450 is a Duracell-specific model number. The MaxyCell 6-pack on my list actually lists DL2450 compatibility, so they work interchangeably.
Should I buy a 2-pack or a 20-pack for household use?
It depends on how many devices you have. A 2-pack like the Energizer or Panasonic works fine if you only have two key fobs to replace. If you have door sensors, remotes, thermometers, and flameless candles, go with a 6-pack or the PKCELL 20-pack. I personally keep a 6-pack around so I can swap everything at once and have leftovers.
My Final Verdict
After testing and comparing all nine options, the Energizer 2450 Lithium Coin Battery is my clear winner for anyone who replaces all batteries at the same time. It has the highest rating on the list — 4.8 stars from over 6,397 reviews — and a 12-year shelf life that makes bulk buying worry-free. The PGSONIC CR2450 3V Lithium Battery is my runner-up with a 620 mAh capacity and a practical 5-pack size, while the Panasonic CR2450 3.0 Volt Long Lasting Lithium takes third for its child-resistant packaging and trusted brand name.
If you want absolute reliability and don’t mind buying multiple packs, go with the Energizer 2450. If budget and quantity matter most, the PGSONIC 5-pack gives you the best balance of cost and coverage. Either way, you’ll have fresh batteries ready for every device in your house.
Top Pick: 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 trusted CR2450 battery with the longest shelf life and highest customer ratings. It’s the safest bet for a full household swap.
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
Buy this if you want a budget-friendly 5-pack with solid 620 mAh capacity and over 22,000 positive ratings. It’s the smart choice for cost-conscious bulk swappers.
Third Place: Panasonic CR2450 3.0 Volt Long Lasting Lithium
- LONG LASTING PERFORMANCE: Panasonic CR2450 3.V batteries are engineered to...
- CHILD RESISTANT SAFETY STANDARDS BASED PACKAGING: These authentic Panasonic...
Buy this if child safety is your top concern and you trust Panasonic’s reputation. The child-resistant packaging and 4.8-star rating make it a reliable choice for families.