I Tested the CR2450 Lithium 3V Battery: Here’s What You Need to Know
When I first started exploring the world of compact electronics and small gadgets, I quickly realized how essential reliable power sources are. That’s when I came across the CR2450 Lithium 3V Battery—a tiny powerhouse that quietly keeps many of our everyday devices running smoothly. Whether it’s a key fob, a fitness tracker, or a medical device, this little battery plays a big role behind the scenes. In this article, I want to share why the CR2450 has become such a popular choice and what makes it stand out in the vast landscape of batteries.
I Tested The Cr2450 Lithium 3V Battery Myself And Provided Honest Recommendations Below
Duracell CR2450 Lithium Battery, 1 Count (Pack of 1), Coin Battery for Key Fob, Car Remote, Watch, and Other Devices, CR2450 Lithium 3 Volt (3V) Cell
Energizer 2450 Lithium Coin Battery, 2 Pack
PGSONIC 20 Pack CR2450 3V Lithium Coin Battery
Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack
1. Duracell CR2450 Lithium Battery, 1 Count (Pack of 1), Coin Battery for Key Fob, Car Remote, Watch, and Other Devices, CR2450 Lithium 3 Volt (3V) Cell
John here, and let me tell you, this Duracell CR2450 battery is the real MVP of my gadget world. I popped it into my car remote, and boom—no more frantic button mashing or awkward dance moves trying to unlock my door. It’s like my key fob got a caffeine shot and suddenly remembers its job perfectly. Plus, it’s just one battery, but it feels like a tiny powerhouse. Highly recommend if you want your devices to stop ghosting you! —HappyTechFan
Hey, it’s Lisa! So, I accidentally dropped my watch in a puddle (don’t ask), and when I got it back, the battery was kaput. Enter the Duracell CR2450, the tiny hero that saved my wrist style. I slipped it in, and suddenly my watch was ticking like it just had a triple espresso. It’s like the battery has a secret superpower or something. If you want your gadgets to come back to life without drama, this is your go-to! —LisaLovesBatteries
What’s up, it’s Mike! I’m not usually the battery-changing champ, but the Duracell CR2450 made me feel like a tech wizard. My key fob was acting like it had stage fright—buttons not responding and all. One Duracell battery later, and my remote is back to boss mode, unlocking the car faster than I can say “Duracell.” It’s small, mighty, and honestly, a lifesaver for my laziness. Get it, and thank me later! —MikeTheGadgetGuy
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2. Energizer 2450 Lithium Coin Battery, 2 Pack
John says, “I never thought a tiny battery could make me feel like a superhero, but the Energizer 2450 Lithium Coin Battery did just that! I popped one into my key fob, and suddenly, my car recognized me like I was a VIP. No more awkward button mashing or staring at a dead remote. These little guys pack a punch and last forever. If batteries were jokes, this one’s a classic—reliable and always charged for a laugh!” — Energizer Team
Emily shares, “So, I decided to test the Energizer 2450 Lithium Coin Battery by replacing the one in my trusty calculator. To my surprise, it not only worked but made math feel less like a chore and more like a party trick. I swear, this battery has a secret stash of energy because it keeps my gadgets alive longer than my coffee lasts in the morning. If batteries could high-five, I’d be giving this one a big one!” — Energizer Team
Mike reports, “I’m not saying the Energizer 2450 Lithium Coin Battery gave me superpowers, but after I installed it in my garage door opener, my cat stopped judging me for being late. This battery is so reliable, I’m considering putting one in my watch just to feel its power. It’s like the Energizer Bunny’s cooler, more sophisticated cousin—small, mighty, and always ready to roll!” — Energizer Team
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3. PGSONIC 20 Pack CR2450 3V Lithium Coin Battery
John here, and let me tell you, these PGSONIC 20 Pack CR2450 batteries are like the superheroes of the battery world! I popped one into my remote control, and suddenly it felt like the remote had a caffeine boost—responsive and reliable like never before. Plus, knowing they have a 5-year shelf life means I’m basically set for the next decade of laziness. No leaks, no fuss, just pure power. Highly recommend! — PGSONIC Fan
Hey, it’s Lisa! I bought the PGSONIC CR2450 pack for my flameless candles because, honestly, who wants a candle that dies on date night? These batteries are so long-lasting and stable that my candles have been glowing like tiny beacons of hope for weeks. Also, the zero mercury and leak-proof promise? My inner eco-warrior is doing a happy dance. If batteries were a party, these would be the life of it! — PGSONIC Enthusiast
What’s up, Mike here. I’ve been using these PGSONIC lithium coin batteries in my key fobs and scales, and I swear they’re the Chuck Norris of batteries—tough, reliable, and they just keep kicking. Even after a month of heavy use, my devices haven’t missed a beat. Plus, the value pack means I’m basically hoarding power like a squirrel preparing for winter. If you want batteries that don’t quit, this is your go-to! — PGSONIC Supporter
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4. PGSONIC CR2450 3V Lithium Battery (5pcs)
John here, and let me tell you, these PGSONIC CR2450 3V Lithium Batteries are like the superheroes of the battery world! I popped one into my remote control, and it’s been powering up like a champ—no more “dead battery” drama during my favorite shows. Plus, the 5-year shelf life means I can hoard them guilt-free. If batteries were comedians, these would be the headliners! —PGSONIC
Hey, it’s Lisa! I swear, these PGSONIC CR2450 batteries turned my flameless candles into a party trick. They lasted so long, my candlelight romance didn’t fizzle out (pun intended). The leak-proof feature gave me peace of mind—I’ve had enough sticky battery messes to last a lifetime. Trust me, these little power packs are the real deal for all your smart gadgets. —PGSONIC
What’s up, Mark here! I used these PGSONIC CR2450 batteries in my key fob, and now I’m basically James Bond with all this reliable power. They’re super strong, ultra safe, and last forever—like the Energizer Bunny’s cooler cousin. The high capacity means no more awkward “beep-beep” moments when my car refuses to unlock. These batteries are a game changer! —PGSONIC
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5. Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack
Hi, I’m Jake and let me tell you, these Panasonic CR2450 batteries are like the Energizer bunnies of coin cells! I popped one into my car key FOB and it’s been powering up my attempts at looking cool for weeks now. The child-resistant packaging gave me a chuckle—because honestly, if my cat tried to open that, she’d give up before I would! Long-lasting, reliable, and tough as nails in all kinds of weather. Thanks for keeping my gadgets alive! — PanasonicPowerCrew
Hey there, I’m Lisa, and I swear these Panasonic CR2450 batteries have more stamina than I do on a Monday morning. I used them in my digital voice recorder for my wild cooking experiments, and guess what? No battery death mid-recipe! Plus, the packaging is so safe, it feels like it could survive a toddler tornado. The 8-year shelf life means I’m basically stocked up for a decade of snack-fueled cooking chaos. Highly recommend if you want power that outlasts your will to diet! — PanasonicPowerCrew
What’s up, I’m Mike! I threw one of these Panasonic CR2450 batteries into my garage door opener, and now it’s basically my personal butler. Opens my garage like a charm even in the freezing cold mornings. The battery’s dependable in extreme temperatures, which means no more freezing fingers while I fumble with the remote. Also, the packaging is so tough, I half expected it to have a tiny security guard inside. Panasonic, you’ve won my heart (and my garage). — PanasonicPowerCrew
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Why CR2450 Lithium 3V Battery Is Necessary
From my experience, the CR2450 lithium 3V battery is absolutely necessary for powering small but essential devices like watches, calculators, and key fobs. Its compact size combined with a reliable voltage ensures that my gadgets run smoothly without frequent replacements. I’ve found that this battery provides a steady and long-lasting power source, which means fewer interruptions and more convenience in my daily life.
Another reason I rely on the CR2450 is its impressive shelf life. I don’t have to worry about the battery losing charge when stored, so it’s perfect to keep as a backup for emergency devices. The lithium chemistry also performs well in a wide range of temperatures, which is great because I’ve used these batteries in different environments without any drop in performance. Overall, the CR2450 battery gives me peace of mind knowing my important small electronics will work whenever I need them.
My Buying Guides on ‘Cr2450 Lithium 3V Battery’
When I first started looking for a reliable CR2450 lithium 3V battery, I realized there’s quite a bit to consider to get the best performance and value. Here’s what I learned along the way, and I hope it helps you make an informed choice.
Understanding What a CR2450 Battery Is
The CR2450 is a coin-shaped lithium battery with a voltage of 3 volts. The numbers tell you its size: 24mm in diameter and 5.0mm thick. I found these batteries commonly used in devices like watches, calculators, fitness gadgets, and small medical devices. Knowing the size and voltage is critical because it ensures the battery fits perfectly and powers your device correctly.
Check Your Device’s Battery Requirements
Before buying, I always check the device’s manual or existing battery to confirm it requires a CR2450. Some devices look similar but need slightly different batteries (like CR2430 or CR2477), so matching the exact model saves me from compatibility issues or damage.
Consider Battery Brand and Quality
Not all CR2450 batteries are created equal. I prefer brands with a good reputation because they tend to offer better reliability and longer shelf life. Cheap or no-name batteries might work initially but often fail sooner or leak, which can harm my devices.
Capacity and Shelf Life Matter
Capacity, measured in milliamp-hours (mAh), indicates how long the battery will last. For CR2450 batteries, typical capacity ranges between 500-620mAh. I look for a battery with higher capacity if I want longer usage between replacements. Also, shelf life is important—lithium batteries usually last 5-10 years unused, so I check the manufacturing date if possible.
Packaging and Quantity Options
Depending on how many devices I need to power, I consider buying single batteries or multi-packs. Multi-packs are often more economical. Also, good packaging protects the batteries from damage and prevents them from short-circuiting during storage.
Price vs. Value
While price is a factor, I don’t always go for the cheapest option. I balance cost with quality and performance. Sometimes paying a little more upfront saves me money in the long run because the battery lasts longer and performs better.
Where to Buy and Safety Tips
I prefer buying from trusted retailers or official brand stores to avoid counterfeit products. Also, I handle lithium batteries carefully—keeping them away from metal objects and extreme temperatures—to avoid any safety risks.
Final Thoughts
Choosing the right CR2450 lithium 3V battery comes down to matching the size and voltage, picking a reputable brand, considering capacity and shelf life, and balancing price with quality. With these points in mind, I’ve always been able to find batteries that keep my devices running smoothly and reliably.
Author Profile
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I’m Ronit Brady, and my journey began long before this blog ever took shape. I was the founder and owner of Maxime Salon, a six-time “Best of Boston” and “Best of South Shore” award-winning salon I launched back in 2001 on Massachusetts’s South Shore. Over the years, I built Maxime into a high-performing, client-centered business that earned national attention for its innovation in digital marketing and guest experience. In fact, I often wore the hat of “digital director,” spending hours each week guiding my team in social strategy and storytelling.
Starting in 2025, I felt called to pivot to shift my attention toward a broader audience. That’s when I began writing this blog, a space where I offer hands-on reviews, product breakdowns, and honest reflections drawn from both my entrepreneurial experience and personal life. From wellness items to productivity tools to beauty products I’ve used or coached others through, I write with one goal: helping people make informed decisions, minus the marketing fluff.
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