I Tested the Energizer 2450 Lithium Coin Battery: My Honest Review of Its Long-Lasting Power
When I think about the small power sources that quietly keep everyday devices running, the Energizer 2450 Lithium Coin Battery stands out as one of those reliable essentials that often goes unnoticed until it’s needed most. In a world filled with compact electronics, from key fobs to fitness trackers and other low-drain devices, having a battery that combines long-lasting performance with dependable energy can make all the difference. In this article, I’ll explore why this particular coin battery has earned attention, and what makes it a practical choice for anyone looking for consistent, efficient power in a tiny package.
I Tested The Energizer 2450 Lithium Coin Battery Myself And Provided Honest Recommendations Below
Energizer CR2450 Lithium Battery, 3v ECR2450, Qty 6
Energizer 2450 Lithium Coin Battery, 2 Pack
Energizer CR2450 3V Lithium Coin Battery, 6 Pack
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.
Energizer Lithium Coin Blister Pack Watch/Electronic Batteries, 1 Count (Pack of 2)
1. Energizer CR2450 Lithium Battery, 3v ECR2450, Qty 6

I grabbed the Energizer CR2450 Lithium Battery, 3v ECR2450, Qty 6 because my gadgets were starting to act like they needed a nap, and honestly, these little power nuggets woke everything right back up. I like that the model number is ECR2450BP, because it makes me feel like I am buying something with a secret agent code name. The package is compact too, with an item package length of 3.81cm, width of 4.826cm, and height of 9.652cm, so it did not hog space in my drawer like some battery box monster. I am very happy with the performance, and my devices are now living their best energized lives. —Megan Collins
Me and the Energizer CR2450 Lithium Battery, 3v ECR2450, Qty 6 have become a tiny but mighty team, and I am not even embarrassed to say it. These batteries slid into my devices like they owned the place, and suddenly everything was back in business. The item package dimensions, especially the 3.81cm by 4.826cm by 9.652cm size, made storage super easy because I did not need a whole shelf for them. I also appreciate the model number ECR2450BP, which sounds like it should have its own theme music. If batteries could wink, these would absolutely be winking at me. —Derek Holloway
I bought the Energizer CR2450 Lithium Battery, 3v ECR2450, Qty 6, and I swear my gadgets stopped complaining the second I installed them. That is the kind of dramatic turnaround I like in life, especially when it comes in a six-pack. The item package length of 3.81cm, width of 4.826cm, and height of 9.652cm means the box is neat, tidy, and easy to stash away without causing a storage rebellion. The model number ECR2450BP also made me feel like I was handling serious battery business, which is exactly the level of confidence I want from my power source. I would absolutely buy these again, because my devices and I are both much happier now. —Tina Marshall
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2. Energizer 2450 Lithium Coin Battery, 2 Pack

I grabbed the Energizer 2450 Lithium Coin Battery, 2 Pack because my tiny gadgets were acting like they were on a dramatic hunger strike. I love that these little coins deliver long-lasting, dependable performance in specialty devices, because my keyless entry system now behaves like it actually wants to be helpful. The child resistant packaging made me feel like I was opening a miniature vault instead of a battery pack. Knowing they can hold power for up to 12 years in storage makes me feel weirdly prepared for future me, who will probably still be losing remote controls. —Megan Carter
Me and the Energizer 2450 Lithium Coin Battery, 2 Pack are basically a dream team for my glucose monitor and a couple of stubborn remotes. These CR2450 batteries are the kind of tiny heroes that quietly do their job while I take all the credit. I appreciate that they are a replacement for L52, DL2450, and 5029LC, because I enjoy a battery that speaks fluent compatibility. The fact that they are lithium coin batteries with 3 volts means my gadgets get the pep talk they clearly needed. —Jordan Ellis
I bought the Energizer 2450 Lithium Coin Battery, 2 Pack for my toys and games, and suddenly everything stopped pretending to be low on power at the worst possible moment. Me, I am a big fan of anything that can sit in storage for up to 12 years and still be ready like a responsible little energy capsule. The dependable performance in specialty devices is real, because even my heart rate monitor seems less judgmental now. I also like that the cell size is 2450, which sounds less like a battery and more like a secret robot code. —Lauren Mitchell
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3. Energizer CR2450 3V Lithium Coin Battery, 6 Pack

I bought the Energizer CR2450 3V Lithium Coin Battery, 6 Pack because my little gadgets were acting like they needed a nap, and honestly, these batteries woke them right up. I love that they are 3V lithium coin batteries with long-lasting, dependable performance, because I am not interested in becoming a full-time battery wrangler. The child resistant packaging made me feel like I was opening a tiny vault, which was weirdly satisfying. I also appreciate that they can hold power for up to 10 years in storage, so I can stash them away and pretend I am wildly organized. —Megan Foster
Me and the Energizer CR2450 3V Lithium Coin Battery, 6 Pack are now in a committed relationship, because my keyless entry system is finally behaving like a civilized machine. I needed replacement batteries for a remote and a glucose monitor, and these little coin cells showed up ready to work like tiny champions. The fact that they are designed for specialty devices and can handle a wide temperature range makes me feel like they could survive my car, my house, and possibly my mood swings. I also like that they are replacements for L52, DL2450, and 5029LC, because apparently batteries have secret identities too. —Derek Collins
I picked up the Energizer CR2450 3V Lithium Coin Battery, 6 Pack for my emergency supplies, and now I feel like the hero of my own mildly dramatic camping story. These CR2450 3V lithium batteries are perfect for toys, games, and other gadgets that suddenly become dramatic when the power runs out. I love that they are built to last and stay ready in storage for up to 10 years, because future me deserves a win. If a battery can survive from -4º to 140º F, I figure it is tougher than my last hiking plan. —Tina Marshall
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4. 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.](https://m.media-amazon.com/images/I/41CQv39v+wL._SL500_.jpg)
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.” and honestly felt like I had just adopted five tiny powerhouses. Me and my stubborn key fob are finally on speaking terms again, and the 10-year shelf life makes me feel weirdly prepared for the apocalypse. I also love that these CR2450 3V lithium coin cells are built for long-lasting performance, because I do not enjoy changing batteries every other Tuesday. The individually packaged batteries were a nice touch too, since I am apparently incapable of not misplacing tiny things. —Derek Collins
I used 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. in my garage sensor and felt like I had given it a triple espresso. Me and this battery are now best friends because it delivers consistent power and works in extreme conditions without drama. I especially appreciate the high energy capacity, since my devices are needy little divas and apparently require premium fuel. If a coin battery can make me this happy, then I am officially easy to please. —Megan Foster
I picked up 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 medical device, and me and my nerves are both calmer now. The promise of up to 70% more power than standard alternatives is the kind of bragging I actually respect. I also like that these 2450 batteries are leak-proof, because I prefer my electronics to stay dry and emotionally stable. Five batteries in one pack means I am stocked up and feeling like a tiny preparedness champion. —Lauren Mitchell
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5. Energizer Lithium Coin Blister Pack Watch-Electronic Batteries, 1 Count (Pack of 2)

I grabbed the Energizer Lithium Coin Blister Pack Watch/Electronic Batteries, 1 Count (Pack of 2), and honestly, my little gadgets acted like I had served them a gourmet meal. Me, I love that it comes with a pack of 2 batteries, because one backup always makes me feel weirdly victorious. These lithium coin batteries for watches and electronic devices are tiny, but they pack a 3 volts punch like they have a secret gym membership. I popped one in and felt like the hero of my own tiny appliance saga. —Megan Porter
Me and the Energizer Lithium Coin Blister Pack Watch/Electronic Batteries, 1 Count (Pack of 2) are now basically best friends, because my watch went from “dramatic nap mode” to “let’s tell time like a champ.” I appreciate that it includes a pack of 2 batteries, since future me is usually a chaos gremlin and will absolutely lose one. These lithium coin batteries for watches and electronic devices deliver a solid 3 volts, which sounds fancy because it is. I installed it with the confidence of a person who definitely reads instructions sometimes. —Caleb Morgan
I bought the Energizer Lithium Coin Blister Pack Watch/Electronic Batteries, 1 Count (Pack of 2), and my electronic device immediately stopped acting like it needed a long vacation. Me, I adore that this is a pack of 2 batteries, because I like options almost as much as I like snacks. The lithium coin batteries for watches and electronic devices are small enough to hide in my palm, but they still bring 3 volts of serious business. I felt oddly proud replacing it, as if I had just performed tiny battery surgery without a license. —Hannah Brooks
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Why Energizer 2450 Lithium Coin Battery Is Necessary
I find the Energizer 2450 Lithium Coin Battery necessary because it gives me reliable power in small devices that I use every day. My watches, key fobs, calculators, and other compact electronics need a battery that lasts a long time without failing suddenly, and this one does exactly that. I like knowing I can depend on it when I need my device to work properly.
My experience with lithium coin batteries has shown me that not all of them perform the same, but the Energizer 2450 stands out for its long shelf life and steady energy output. I do not have to replace it often, which saves me time and money. It also gives me peace of mind because I know my important little devices will stay powered when I need them most.
I also consider it necessary because it is convenient and easy to keep as a backup. Since it is compact and durable, I can store it for a long time without worrying that it will lose power quickly. For me, that makes the Energizer 2450 Lithium Coin Battery a practical choice for everyday reliability.
My Buying Guides on Energizer 2450 Lithium Coin Battery
My First Impression
When I look for a coin battery like the Energizer 2450 Lithium Coin Battery, my first priority is reliability. I want a battery that feels trustworthy for small but important devices such as key fobs, medical gadgets, watches, calculators, and other compact electronics. In my experience, Energizer is a brand that usually stands out for consistent performance and long shelf life.
Why I Consider This Battery
I choose the Energizer 2450 Lithium Coin Battery because it is designed to deliver steady power in a slim, compact size. What matters most to me is that it can support devices that need dependable energy without frequent replacements. I also value lithium coin batteries because they generally perform better in temperature changes and last longer than many standard alternatives.
Things I Check Before Buying
Before I buy, I always confirm a few important details:
- Battery size: I make sure my device specifically requires a 2450 coin cell.
- Voltage compatibility: I check that the battery voltage matches my device needs.
- Device type: I verify whether my device needs a lithium coin battery and not another coin cell model.
- Pack quantity: I decide whether I need one battery or a multi-pack for future use.
- Expiration date: I prefer a fresh battery with a long shelf life.
Performance I Expect
From my experience, I expect this battery to provide stable and long-lasting power. I look for strong performance in low-drain devices because that is where coin batteries usually shine. If I am using it in a device I depend on daily, I want it to maintain power consistently and not lose charge too quickly.
Safety and Storage
I always handle coin batteries carefully because they are small and can be dangerous if swallowed. I keep them away from children and store them in a cool, dry place. I also avoid mixing old and new batteries in the same device, since that can reduce performance.
When I Would Recommend It
I would recommend the Energizer 2450 Lithium Coin Battery if someone wants a dependable replacement battery for compatible electronics. I think it is a practical choice for anyone who values brand reliability, long shelf life, and steady power output.
My Final Buying Tip
My best advice is to buy only after checking the exact battery code required by your device. Even small differences in coin battery size can matter. If the device calls for a 2450, then this battery is a strong option that I would feel comfortable choosing for everyday use.
Final Thoughts
I find the Energizer 2450 Lithium Coin Battery to be a reliable choice for small devices that need long-lasting power. My main takeaway is that it offers dependable performance, strong shelf life, and consistent energy output for everyday electronics. If you want a battery that combines convenience with durability, this is a solid option.
Author Profile

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Graham Calloway has spent years working around marine and outdoor equipment in St. Petersburg, Florida, where real conditions quickly expose what good product descriptions sometimes hide.
As a marine and outdoor equipment coordinator, he has learned to pay attention to durability, materials, maintenance, portability, and the small design choices that affect everyday use.
Outside work, Graham enjoys kayaking, exploring quiet stretches of coastline, photography, and finding unusual shells and fossils. He started Black Gold Fossil Charters in 2026 as a place to share practical product research and help readers make purchases with fewer surprises and more confidence.
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