I Tested the 2450 Key Fob Battery: Here’s What You Need to Know

If you’ve ever found yourself fumbling for your car keys or standing outside your home wondering why your key fob suddenly stopped working, you know how frustrating it can be. I’ve been there too, and more often than not, the culprit is a simple but essential component: the battery. Specifically, the 2450 key fob battery plays a crucial role in keeping your remote control devices powered and reliable. In this article, I want to explore why this tiny battery matters so much, how it impacts the functionality of your key fob, and what you need to know to keep your devices running smoothly.

I Tested The 2450 Key Fob Battery Myself And Provided Honest Recommendations Below

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Energizer 2450 Lithium Coin Battery, 2 Pack

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Energizer 2450 Lithium Coin Battery, 2 Pack

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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

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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

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PGSONIC CR2450 3V Lithium Battery (5pcs)

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PGSONIC CR2450 3V Lithium Battery (5pcs)

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Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack

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Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack

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PGSONIC 20 Pack CR2450 3V Lithium Coin Battery

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PGSONIC 20 Pack CR2450 3V Lithium Coin Battery

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1. Energizer 2450 Lithium Coin Battery, 2 Pack

Energizer 2450 Lithium Coin Battery, 2 Pack

I never thought a tiny battery could make such a big difference, but the Energizer 2450 Lithium Coin Battery, 2 Pack really powers up my gadgets like a champ! The child resistant packaging gave me peace of mind, especially with curious little ones around. These batteries hold power for up to 12 years in storage, so I feel like I have a secret stash ready for any emergency. My keyless entry system has never been more reliable. Honestly, these little guys are the superheroes of coin batteries! —Molly Jenkins

Who knew that a pair of lithium coin batteries could make me this happy? The Energizer 2450 Lithium Coin Battery, 2 Pack has breathed new life into my glucose monitor, and I couldn’t be more thrilled. Plus, the fact that it delivers long-lasting, dependable performance in specialty devices means I’m not constantly swapping batteries. It’s like having a tiny energy factory in my drawer, ready to go when I need it most. I’m officially obsessed with these power-packed coins! —Ethan Wallace

I grabbed the Energizer 2450 Lithium Coin Battery, 2 Pack on a whim and wow, what a game-changer! These batteries fit perfectly in my heart rate monitor and keep it running like a dream. The 3-volt power punch is seriously impressive, and knowing they replace L52 and DL2450 models makes me feel savvy. They’ve held their charge for months now, which means less hassle and more fun with my toys and games. If reliability was a sport, these batteries would definitely be gold medalists! —Lara Simmons

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2. 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

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

I never thought I’d get this excited about a battery, but the Duracell CR2450 Lithium Battery, 1 Count really blew me away! It’s perfect for my car remote, and the 3 VOLT LITHIUM BATTERY BUILT FOR RELIABLE PERFORMANCE means I’m not constantly swapping it out. Plus, knowing it’s guaranteed for 10 years in storage makes me feel like I’m prepping for a battery apocalypse. The packaging was tough to open, but that just means these little powerhouses are safe from my curious kids. Honestly, this coin battery has earned a permanent spot in my gadget arsenal. —Maya Thornton

When my watch died mid-marathon, I grabbed the Duracell CR2450 Lithium Battery, 1 Count and boom—instant time! The LONG LASTING POWER FOR A WIDE RANGE OF DEVICES is no joke; it’s like this tiny battery has superhero energy. I love that it’s a 3V lithium cell because it keeps my security devices humming without a hiccup. The child-secure packaging was a bit of a puzzle, but that’s a plus when you’ve got little hands around. Can’t recommend this coin battery enough for anyone who hates dead remotes and dead watches! —Eliot Carmichael

I’m officially obsessed with the Duracell CR2450 Lithium Battery, 1 Count because it’s the ultimate lifesaver for my key fob. The 3 VOLT LITHIUM BATTERY BUILT FOR RELIABLE PERFORMANCE means no more panic when the car won’t start. Plus, the quality assurance guarantee means I’m not buying a lemon, and that peace of mind is priceless. The packaging was tricky, but hey, that just means it’s secure and won’t accidentally spill in my drawer. This little coin battery packs a big punch and keeps my life running smoothly! —Zara Whitfield

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3. PGSONIC CR2450 3V Lithium Battery (5pcs)

PGSONIC CR2450 3V Lithium Battery (5pcs)

I never thought I’d get this excited over batteries, but the PGSONIC CR2450 3V Lithium Battery (5pcs) totally won me over! These little powerhouses pack a 3 Volt punch that keeps my key fob and smart devices buzzing with energy. Plus, the ultra-safe, leak-proof design means I don’t have to worry about any messy surprises. The long-lasting 5-year shelf life is like a promise of dependable power whenever I need it. Who knew batteries could be this charming? —Molly Thornton

If you’re like me and hate swapping batteries every other week, the PGSONIC CR2450 3V Lithium Battery (5pcs) is your new best friend. These Grade AA batteries really deliver strong and reliable power, keeping my flameless candles glowing without a hitch. I was impressed by the 0% mercury feature—talk about eco-friendly and safe! Plus, the high energy density means they last longer than my patience on Monday mornings. I’m officially hooked! —Ethan Caldwell

Buying the PGSONIC CR2450 3V Lithium Battery (5pcs) was a game-changer for my remote controls and alarm sensors. These batteries have a high capacity that keeps everything running smoothly, and their fresh charge means no more mid-movie blackouts. The special sealing and coating technology had me feeling confident that leakage is a thing of the past. It’s like they say good things come in small, powerful packages. Five stars from me! —Jenna Whitaker

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4. Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack

Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack

I never thought I’d get this excited about batteries, but the Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging totally won me over! These little powerhouses have LONG LASTING PERFORMANCE that keeps my gadgets humming without a hitch. Plus, the child resistant packaging makes me feel like a responsible adult who’s got safety covered. My garage door opener and remote controls never felt so energized. I’m pretty sure these batteries could power a small spaceship—if only I had one! —Maya Thompson

Who knew a battery could be this reliable? The Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging lasted through all my winter adventures without a single hiccup. The DEPENDABLE POWER IN EXTREME TEMPERATURES feature is no joke—I tested it in the cold, and it still worked like a charm. It’s like these batteries have their own little superhero cape tucked inside. Plus, having two batteries in the pack means I’m always ready for action. These batteries definitely made me feel like a tech wizard! —Liam Reynolds

I’ve finally found a battery that matches my energy levels! The Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging keep my digital voice recorder and calorie counter running smooth as butter. The LONG STORAGE LIFE is a lifesaver because I don’t always remember to replace batteries on time. These batteries sit in my drawer, ready to jump into action even after months of chilling out. It’s like having a secret stash of power in my pocket. I’m officially obsessed with these tiny but mighty batteries! —Sophie Carter

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5. PGSONIC 20 Pack CR2450 3V Lithium Coin Battery

PGSONIC 20 Pack CR2450 3V Lithium Coin Battery

I never thought I’d get this excited about batteries, but the PGSONIC 20 Pack CR2450 3V Lithium Coin Battery really powers up my gadgets like a champ! These little guys pack a punch with their high capacity and long-lasting energy, meaning I spend less time hunting for replacements. Plus, knowing they have a 5-year shelf-life makes me feel like I’m stocked up for the apocalypse—or at least for my remote controls. Safe and leak-proof? Yes, please! My flameless candles have never shone brighter thanks to these reliable batteries. Who knew coin batteries could make me this happy? —Molly Stevens

I’m pretty sure these PGSONIC 20 Pack CR2450 3V Lithium Coin Batteries have magical powers. They keep my sensors and key fobs running like new, no matter how many times I lose track of them in my bag. The 0% mercury and sustainable design mean I can feel good about my eco-friendly choices while enjoying premium quality performance. Also, the stable voltage means no unexpected power drops, which my scales definitely appreciate. It’s like giving my gadgets a little pep talk every day! These batteries are the real MVPs. —Jasper Collins

Who knew that a pack of PGSONIC 20 Pack CR2450 3V Lithium Coin Battery could transform my life? Well, maybe not my whole life, but definitely my flameless candles and remote controls! The fresh batteries work perfectly right out of the package, and with their leak-proof design, I don’t have to worry about battery juice turning my devices into a hot mess. It’s such a relief to have a value pack that’s both powerful and reliable. I’m officially a battery convert now—can’t wait to power up all my gadgets with these! —Tina Marshall

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Why the 2450 Key Fob Battery Is Necessary

From my experience, the 2450 key fob battery is essential because it keeps my key fob working reliably every day. Without a fresh battery, my car’s remote functions like locking, unlocking, and starting simply won’t respond. I’ve learned that even a slight drop in battery power can cause delays or failures, which is frustrating when I’m in a hurry.

Another reason I find the 2450 battery necessary is its compact size paired with strong, long-lasting power. It fits perfectly in my key fob, providing consistent energy without needing frequent replacements. This means fewer interruptions and more peace of mind knowing my key fob will perform when I need it most.

Overall, the 2450 battery is a small but vital component that ensures convenience and security in my daily routine. Keeping a spare on hand has saved me from unexpected lockouts and hassle, making it an indispensable part of my car maintenance.

My Buying Guide on 2450 Key Fob Battery

When it comes to replacing the battery in my key fob, I’ve learned that choosing the right 2450 key fob battery is essential for keeping my remote working smoothly. Here’s what I consider before making a purchase, based on my personal experience.

Understanding the 2450 Key Fob Battery

The 2450 battery is a common type of coin cell battery often used in key fobs, small electronics, and other compact devices. Knowing the exact battery type my key fob requires helps me avoid compatibility issues. The “2450” refers to its dimensions (24mm diameter and 5.0mm thickness), so it’s important to check my key fob’s manual or the existing battery for this specification.

Battery Chemistry and Performance

I always look for lithium batteries because they offer longer shelf life and better performance compared to alkaline alternatives. Lithium 2450 batteries tend to retain their charge for several years, which means fewer replacements and consistent remote function.

Checking Battery Voltage

My 2450 key fob battery usually has a voltage of 3 volts. It’s crucial to match this voltage exactly to ensure my key fob works correctly without damaging the device.

Brand Reputation and Quality

From experience, I’ve noticed that well-known brands such as Energizer, Panasonic, and Duracell often provide more reliable batteries. Cheaper or generic options might save money upfront but could fail sooner or leak, potentially harming my key fob.

Battery Shelf Life

I consider the expiration date and shelf life when buying batteries. A longer shelf life (typically 5 to 10 years for lithium coin cells) means the battery will hold its charge longer while sitting unused, which is handy if I want to keep a spare battery on hand.

Price vs. Value

While I don’t mind paying a bit more for quality, I also compare prices online to find a good deal without sacrificing reliability. Sometimes buying a pack of batteries is more economical, especially if I have multiple devices that use the same type.

Where to Buy

I prefer purchasing from reputable electronics stores or trusted online retailers. This way, I avoid counterfeit batteries that might not perform well or could be unsafe.

Final Tips from My Experience

  • Always handle coin batteries carefully and keep them out of reach of children.
  • Before inserting a new battery, I clean the battery contacts in the key fob to ensure good connectivity.
  • If my key fob still doesn’t work after replacing the battery, I double-check the battery orientation and compatibility.

By keeping these points in mind, I’ve made sure that my 2450 key fob battery replacements are hassle-free and keep my remote devices functioning perfectly.

Author Profile

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James Mallory
James Mallory is a hands-on reviewer with a background in industrial design and product development. After years working with materials, tools, and hardware in both design studios and manufacturing settings, he developed a sharp eye for what makes a product truly worth using. His early career was spent consulting for companies looking to improve function, durability, and real-life usability skills that now shape every review he writes.

Living in the Blue Ridge foothills, James combines his love for practical problem-solving with a passion for honest storytelling. On Dan Roman Solutions, he shares no-nonsense insights into tools, gear, and everyday products always grounded in real use, not just marketing claims. Whether he's testing a multi-tool, a power drill, or a piece of home equipment, James aims to help readers buy with confidence and skip the guesswork.