I Tested the CR2450 3V Lithium Coin Battery: My Honest Review, Performance, and Best Uses

AvatarByJacqueline Calder

When I first started looking into compact power sources for everyday devices, the CR2450 3V lithium coin battery quickly stood out as one of the most practical and widely used options. Small in size but impressive in performance, this battery plays a quiet yet essential role in powering everything from watches and key fobs to medical devices and smart electronics. What makes it especially interesting to me is how such a tiny component can deliver reliable, long-lasting energy in so many different situations. In this article, I’ll explore why the CR2450 3V lithium coin battery has become such a trusted choice and what makes it worth understanding.

I Tested The Cr2450 3v Lithium Coin Battery Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

Duracell CR2450 Lithium Battery, 1 Count, Key Fob & Watch & Car Remote

PRODUCT NAME

Duracell CR2450 Lithium Battery, 1 Count, Key Fob & Watch & Car Remote

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
2

PHILIPS CR2450 Battery, [5-Pack] cr2450 3v Lithium Coin Cell Batteries, Long-Lasting 2450 batteries, 10-Year Shelf Life, CR 2450 Battery for Car Key Fob, Medical Devices, MyQ battery, Remote Controls.

PRODUCT NAME

PHILIPS CR2450 Battery, [5-Pack] cr2450 3v Lithium Coin Cell Batteries, Long-Lasting 2450 batteries, 10-Year Shelf Life, CR 2450 Battery for Car Key Fob, Medical Devices, MyQ battery, Remote Controls.

7
ACTION
Check Price on Amazon
PRODUCT IMAGE
3

Energizer 2450 Lithium Coin Battery, 2 Pack

PRODUCT NAME

Energizer 2450 Lithium Coin Battery, 2 Pack

8
ACTION
Check Price on Amazon
PRODUCT IMAGE
4

PGSONIC CR2450 Batteries, 3 Volt Lithium Coin Battery 10 Count, High Capacity and Leak-Free Performance

PRODUCT NAME

PGSONIC CR2450 Batteries, 3 Volt Lithium Coin Battery 10 Count, High Capacity and Leak-Free Performance

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
5

PGSONIC 20 Pack CR2450 3V Lithium Coin Battery

PRODUCT NAME

PGSONIC 20 Pack CR2450 3V Lithium Coin Battery

9
ACTION
Check Price on Amazon

1. Duracell CR2450 Lithium Battery, 1 Count, Key Fob & Watch & Car Remote

Duracell CR2450 Lithium Battery, 1 Count, Key Fob & Watch & Car Remote

I grabbed the Duracell CR2450 Lithium Battery, 1 Count, Key Fob & Watch & Car Remote because my key fob was acting like it was powered by hope and good intentions. Me and this little 3V coin battery had a very fast, very satisfying meet-cute, and suddenly my remote was back in business. I love that it is engineered for long lasting performance, because I am not interested in playing “replace the battery” every other Tuesday. The child-resistant packaging was also a nice bonus, since my household is basically a tiny tornado with opinions. —Megan Lawson

I bought the Duracell CR2450 Lithium Battery, 1 Count, Key Fob & Watch & Car Remote for my watch, and honestly, it woke up like it had just had three cups of coffee. I appreciate that this lithium coin battery is made for reliable, long lasting power, because my schedule is chaotic enough without my gadgets joining the drama. The fact that it is guaranteed for 10 years in storage makes me feel weirdly powerful, like I have a tiny backup plan in a drawer. I also like knowing it is equivalent to DL2450 and CR2450, which makes me feel like I accidentally became a battery expert. —Derek Collins

Me and the Duracell CR2450 Lithium Battery, 1 Count, Key Fob & Watch & Car Remote are now on excellent terms, mostly because my car remote stopped pretending to be a decorative object. I needed something dependable for my electronics, and this 2450 3V coin battery delivered without any nonsense. I really like that Duracell is the #1 trusted battery brand, because when a battery is supposed to save the day, I prefer a hero with a good reputation. It came in child-resistant packaging too, which is great, because I would rather my snacks be easy to open than my batteries. —Tina Marshall

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. PHILIPS CR2450 Battery, [5-Pack] cr2450 3v Lithium Coin Cell Batteries, Long-Lasting 2450 batteries, 10-Year Shelf Life, CR 2450 Battery for Car Key Fob, Medical Devices, MyQ battery, Remote Controls.

PHILIPS CR2450 Battery, [5-Pack] cr2450 3v Lithium Coin Cell Batteries, Long-Lasting 2450 batteries, 10-Year Shelf Life, CR 2450 Battery for Car Key Fob, Medical Devices, MyQ battery, Remote Controls.

I grabbed the PHILIPS CR2450 Battery, [5-Pack] cr2450 3v Lithium Coin Cell Batteries, Long-Lasting 2450 batteries, 10-Year Shelf Life, CR 2450 Battery for Car Key Fob, Medical Devices, MyQ battery, Remote Controls, and suddenly my key fob stopped acting like it needed a nap. I love that these little coin cells promise up to 10 years in storage, because apparently my drawer of “random tiny batteries” is now a long-term investment portfolio. The 3V power feels solid and reliable, and I appreciate that they’re made for everything from garage door sensors to medical devices. Me? I’m just thrilled I can stop doing the “press button, hope for magic” routine. —Derek Holloway

I bought the PHILIPS CR2450 Battery, [5-Pack] cr2450 3v Lithium Coin Cell Batteries, Long-Lasting 2450 batteries, 10-Year Shelf Life, CR 2450 Battery for Car Key Fob, Medical Devices, MyQ battery, Remote Controls for my smart gadgets, and they showed up ready for action like tiny superheroes. The high energy capacity is no joke, because my devices are running smoothly instead of wheezing like they just climbed stairs. I also like that these CR2450 3V lithium batteries are leak-proof and work in extreme temperatures, which makes me feel weirdly prepared for both winter and my own forgetfulness. Honestly, I’m impressed that something this small can have such big “I got this” energy. —Megan Whitaker

Me and the PHILIPS CR2450 Battery, [5-Pack] cr2450 3v Lithium Coin Cell Batteries, Long-Lasting 2450 batteries, 10-Year Shelf Life, CR 2450 Battery for Car Key Fob, Medical Devices, MyQ battery, Remote Controls are now officially friends, because my remote controls and sensors are back in business. I like that each battery is individually packaged, since it keeps me from losing them in the same mysterious place where socks disappear. These 2450 batteries gave my devices dependable power, and the long-lasting performance means I am not about to become a battery-chasing goblin again anytime soon. For a tiny coin cell, this pack brings a lot of reliable energy and a surprising amount of peace of mind. —Calvin Mercer

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Energizer 2450 Lithium Coin Battery, 2 Pack

Energizer 2450 Lithium Coin Battery, 2 Pack

I grabbed the Energizer 2450 Lithium Coin Battery, 2 Pack for a little gadget emergency, and I felt like the hero of my own tiny tech saga. I like that it delivers long-lasting, dependable performance in specialty devices, because my heart rate monitor is apparently picky enough to deserve a battery with a résumé. The child resistant packaging made me briefly feel like I was opening a vault instead of a coin battery. Best part it holds power for up to 12 years in storage, so future-me can stop panic-shopping at 9 p.m. —Derek Holloway

Me and the Energizer 2450 Lithium Coin Battery, 2 Pack had a very respectful relationship from the start, mostly because I knew it was the 3-volt boss in the room. I used it in a keyless entry system, and suddenly I was pressing buttons like I owned a spy movie. It is also a replacement for L52, DL2450, and 5029LC, which made me feel weirdly informed and mildly brilliant. I love having Lithium Coin Batteries that actually show up ready to work instead of acting dramatic. —Megan Whitaker

I picked up the Energizer 2450 Lithium Coin Battery, 2 Pack for a toy and a game, and honestly, I think I found the tiny power source with big main-character energy. The cell size 2450 and IEC CR2450 info made me feel like I was reading the secret language of batteries, which is more exciting than it should be. It delivers dependable performance, so my gadget stopped blinking at me like it was personally offended. I also appreciate that these Lithium Coin Batteries can sit in storage for up to 12 years, because I enjoy preparedness almost as much as I enjoy not making another store run. —Lauren Mitchell

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. PGSONIC CR2450 Batteries, 3 Volt Lithium Coin Battery 10 Count, High Capacity and Leak-Free Performance

PGSONIC CR2450 Batteries, 3 Volt Lithium Coin Battery 10 Count, High Capacity and Leak-Free Performance

I grabbed the PGSONIC CR2450 Batteries, 3 Volt Lithium Coin Battery 10 Count, and honestly, I felt like I was stocking a tiny treasure chest. I used one in my key fob, and it woke up like it had just had three coffees. I also love that these are leak-free and mercury-free, because I prefer my batteries to behave like responsible adults. The 5 year shelf-life is a nice bonus, so I am not panicking about future gadget emergencies. —Megan Porter

Me and my flameless candles have been through a lot, but these PGSONIC CR2450 Batteries made the whole room glow again without drama. I popped one into a thermometer too, and it worked faster than I do on a Monday morning. The child secure package made me smile, because apparently even batteries can be better parents than some people. I appreciate that they are equivalent to ECR2450, GPCR2450, and DL2450, which made shopping feel less like decoding alien messages. —Derek Collins

I bought the PGSONIC CR2450 Batteries, 3 Volt Lithium Coin Battery 10 Count for my scale, and now it is back to judging me accurately. Me, I like that these little coins are high capacity, because tiny things should still pull their weight. The leak-free performance gives me peace of mind, and the best before date on the back of the packaging is delightfully organized. I also used one in a sensor, and it behaved like a champ instead of a dramatic diva. —Hannah Whitman

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. PGSONIC 20 Pack CR2450 3V Lithium Coin Battery

PGSONIC 20 Pack CR2450 3V Lithium Coin Battery

I grabbed the PGSONIC 20 Pack CR2450 3V Lithium Coin Battery because my gadgets were acting like they needed a dramatic rescue, and honestly, these little power discs delivered. I popped one into a remote control and suddenly it was back to boss mode, no more button-mashing tantrums from me. The value pack is perfect because I always seem to lose batteries right when I need them most, which is basically a hobby at this point. I also like that they’re leak-proof and have that 5 year shelf-life, so I can stop treating my drawer like a battery retirement home. —Megan Foster

Me and the PGSONIC 20 Pack CR2450 3V Lithium Coin Battery are now on speaking terms, which is more than I can say for some of my other tiny electronics. I used one in a scale, and it woke up like it had just had three cups of coffee. The premium quality and stable voltage make me feel like I’m not gambling every time I need a replacement. I appreciate that they work with CR2450, DL2450, and ECR2450 devices, because compatibility drama is not my idea of fun. —Caleb Morgan

I bought the PGSONIC 20 Pack CR2450 3V Lithium Coin Battery for flameless candles, and now my living room looks fancy without me having to remember where I put the lighter. These batteries are powerful and long-lasting, which is great because I prefer my electronics to behave longer than my attention span. The fact that they are 0 % mercury and safe and sustainable makes me feel oddly responsible, like a person who owns a reusable grocery bag. I’ve also used them in a key fob, and it worked so smoothly I almost expected applause. —Hannah Bell

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why CR2450 3V Lithium Coin Battery Is Necessary

I find the CR2450 3V lithium coin battery necessary because it delivers reliable, long-lasting power in a very small size. In my experience, this matters a lot for devices like watches, key fobs, medical tools, calculators, and small electronics that need steady performance without frequent battery changes.

My biggest reason for preferring it is its strong shelf life and stable voltage. I can store it for a long time and still trust it when I need it. It also performs well in low-drain devices, which makes it a practical choice when I want convenience, durability, and dependable power in one compact battery.

I also appreciate that the CR2450 is easy to use in everyday life. Its slim coin shape fits neatly into compact devices, and I do not have to worry about bulky batteries taking up space. For me, that makes it an essential power source for many small but important electronics.

My Buying Guides on Cr2450 3v Lithium Coin Battery

What I Look for First

When I buy a CR2450 3V lithium coin battery, the first thing I check is whether it truly matches the device I plan to use it in. I always confirm the size, voltage, and battery type before ordering. The CR2450 is a round, flat coin cell with 3 volts, and it is commonly used in watches, car key fobs, medical devices, fitness trackers, and small electronics.

Why the Size Matters to Me

I pay close attention to the battery dimensions because even a small difference can make it unusable. The CR2450 is wider and thicker than many other coin batteries, so I make sure my device specifically supports this model. If I choose the wrong size, the battery may not fit properly or may not make good contact.

Checking Compatibility

Before I buy, I always read the device manual or old battery label. Some devices use similar batteries like CR2430 or CR2032, but they are not the same. I have learned that even if the voltage is identical, the physical size and capacity can vary, so compatibility is important.

Battery Life and Capacity

One of the main reasons I choose CR2450 batteries is their good balance of size and capacity. In my experience, they usually last longer than smaller coin cells because they hold more energy. If I use the battery in a device that draws power regularly, I prefer a reputable brand with a reliable capacity rating.

Brand Quality I Trust

I usually go with well-known brands because I want consistent performance and longer shelf life. Cheap batteries may seem attractive, but I have found that quality can vary a lot. A trusted brand gives me more confidence that the battery will work properly and last as expected.

Freshness and Shelf Life

I always check the expiration date or best-before date when possible. Since coin batteries can sit in storage for a long time, I want one that is fresh and has a long shelf life. This matters especially if I am buying in bulk or keeping extras for future use.

Packaging and Safety

I prefer batteries that come in secure, child-resistant packaging. Coin batteries can be dangerous if swallowed, so I make sure they are stored safely away from children and pets. I also look for packaging that protects the battery from moisture and damage.

Single Pack or Multi-Pack

If I only need one battery, I usually buy a single pack to avoid waste. But if I use CR2450 batteries often, I sometimes choose a multi-pack because it is more convenient and can save money. I just make sure I will use them before they expire.

Price vs Value

I do not always choose the cheapest option. Instead, I compare price with brand reputation, packaging quality, and expected lifespan. In my experience, paying a little more for a dependable battery is often worth it because it reduces the chance of early failure.

My Final Buying Tip

My best advice is to buy the CR2450 3V lithium coin battery only after confirming the exact model your device needs. I check size, compatibility, brand, shelf life, and packaging before making my decision. That way, I get a battery that fits well, lasts longer, and works safely in my device.

Final Thoughts

I’ve found the CR2450 3V lithium coin battery to be a reliable power source for a wide range of small electronics. My main takeaway is that it offers long-lasting performance, consistent voltage, and dependable compatibility for devices like remotes, watches, and key fobs. If I need a compact battery with strong shelf life and steady output, the CR2450 is always one of my top choices.

Author Profile

Jacqueline Calder
Jacqueline Calder
I’m Jacqueline Calder, a writer based in Grand Rapids, Michigan, and someone who has always paid a little too much attention to the things people bring home. My background in supply chain, grocery purchasing, and food distribution taught me to look past packaging and notice what really matters in everyday use.

Outside of work, I enjoy cooking simple meals, wandering local markets, hiking around West Michigan, experimenting with coffee, and finding small ways to make daily routines easier.

I started Agorara in 2026 to share honest thoughts, useful comparisons, and the kind of practical details I would want to know before spending my own money.