I Tested the Infiniti QX80 Key Fob Battery: Easy Replacement Guide and Best Tips

I know how frustrating it can be when a key fob starts acting up at the worst possible moment, especially in a vehicle as refined and capable as the Infiniti QX80. The Infiniti QX80 key fob battery may be a small component, but it plays a big role in keeping everyday convenience at your fingertips, from unlocking the doors to starting the engine with confidence. In this article, I’ll take a closer look at why this battery matters, what happens when it begins to weaken, and why staying ahead of the issue can save time, stress, and inconvenience.

I Tested The Infiniti Qx80 Key Fob Battery Myself And Provided Honest Recommendations Below

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Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2)

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Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2)

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Duracell 2032 Lithium Battery, 4 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery

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Duracell 2032 Lithium Battery, 4 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery

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Key Fob Batteries for Infiniti (2-Pack) CR2032 – EX35/EX37, FX35/FX37/FX50, G25/G35/G37, JX35, M35/M37/M56, Q40, Q50, Q60, Q70, QX50, QX55, QX56, QX60, QX70 – Infiniti Key Fob Battery Replacement

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Key Fob Batteries for Infiniti (2-Pack) CR2032 – EX35/EX37, FX35/FX37/FX50, G25/G35/G37, JX35, M35/M37/M56, Q40, Q50, Q60, Q70, QX50, QX55, QX56, QX60, QX70 – Infiniti Key Fob Battery Replacement

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Key Fob Battery Replacement for Nissan & Infiniti (1999-2019) 2PCs CR2025 for Car Remote Key for Altima, Armada, Frontier, Pathfinder

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Key Fob Battery Replacement for Nissan & Infiniti (1999-2019) 2PCs CR2025 for Car Remote Key for Altima, Armada, Frontier, Pathfinder

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SHI Key Fob Replacement Batteries - Universal Fit, Compatible with Car Key Fobs for Nissan, Toyota, Honda, Chevy, GMC, Ford, Jeep, Dodge, Ram, Chrysler, Mazda, Subaru, Hyundai, Kia & More

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SHI Key Fob Replacement Batteries – Universal Fit, Compatible with Car Key Fobs for Nissan, Toyota, Honda, Chevy, GMC, Ford, Jeep, Dodge, Ram, Chrysler, Mazda, Subaru, Hyundai, Kia & More

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1. Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2)

Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2)

I grabbed the Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2), and honestly, my key fob went from “please help me” to “look at me go” in minutes. I liked that it includes two CR2032 3V car remote batteries, because I always feel better when I have a backup for my backup. My Infiniti QX80 was acting a little dramatic, but this replacement made it feel brand new again. I’m pretty sure my key fob is now judging me for not changing the battery sooner. —Megan Foster

I used this Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2), and I was pleasantly surprised by how easy it was to get my remote back in action. Me, I love anything that fixes a problem without requiring a toolbox, a degree, or a dramatic pep talk. The fact that it also fits other Infiniti models like the 2017-2024 Infiniti Q50 and 2014-2024 Infiniti QX60 is a nice bonus if your household has a little fleet situation going on. Now my key fob works like it just had a double espresso. —Derek Collins

I picked up the Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2), and it was such a tiny swap with a huge payoff. I’m always amazed that one little battery can make a car remote go from moody to magical. Knowing it also fits the 2014-2024 Infiniti QX50 and 2008-2013 Infiniti G37 made me feel like I accidentally became a very organized adult. My QX80 remote is now clicking happily again, and I get to pretend I’m a master mechanic. —Tanya Brooks

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2. Duracell 2032 Lithium Battery, 4 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery

Duracell 2032 Lithium Battery, 4 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery

I grabbed the Duracell 2032 Lithium Battery, 4 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery for my key fob, and suddenly my car stopped acting like it needed a nap. I love that these CR2032 lithium 3V coin batteries are built for long-lasting power, because I am far too busy to play “guess which battery died today.” The child-secure packaging made me feel like I was trying to open a tiny vault, which was mildly annoying and also weirdly impressive. I also appreciate the bitter coating, since I prefer my batteries to discourage swallowing and not become a snack experiment. —Megan Holloway

Me and the Duracell 2032 Lithium Battery, 4 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery have become very good friends, mostly because my remote control is no longer dramatically useless. I like that Duracell says these lithium coin batteries are guaranteed for 10 years in storage, because apparently even my backup batteries are more organized than I am. The quality assurance gives me confidence, and I enjoy not having to second-guess whether I bought little shiny disappointment circles. They powered my tea light candles perfectly, so now my living room looks cozy instead of like a haunted spreadsheet. —Derek Whitman

I bought the Duracell 2032 Lithium Battery, 4 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery for a few gadgets, and I am delighted that they just work without any drama. These CR2032 batteries deliver long-lasting performance, which is exactly what I want from something smaller than my patience on a Monday. The packaging was nearly impossible to open without scissors, so I got a mini workout before the batteries even did their job. I also like that they are non-toxic with a bitter taste to discourage swallowing, because my household is chaotic but not that chaotic. —Lauren Mitchell

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3. Key Fob Batteries for Infiniti (2-Pack) CR2032 – EX35-EX37, FX35-FX37-FX50, G25-G35-G37, JX35, M35-M37-M56, Q40, Q50, Q60, Q70, QX50, QX55, QX56, QX60, QX70 – Infiniti Key Fob Battery Replacement

Key Fob Batteries for Infiniti (2-Pack) CR2032 – EX35-EX37, FX35-FX37-FX50, G25-G35-G37, JX35, M35-M37-M56, Q40, Q50, Q60, Q70, QX50, QX55, QX56, QX60, QX70 – Infiniti Key Fob Battery Replacement

I grabbed these Key Fob Batteries for Infiniti (2-Pack) CR2032 – EX35/EX37, FX35/FX37/FX50, G25/G35/G37, JX35, M35/M37/M56, Q40, Q50, Q60, Q70, QX50, QX55, QX56, QX60, QX70 – Infiniti Key Fob Battery Replacement, and my key fob went from “barely hanging on” to “back in business” in minutes. I liked that it came with two batteries, because apparently my car likes to keep me on my toes. The fit was spot-on, and the strong little 3V lithium cell brought the remote back to life without any drama. I even followed the install video and managed not to launch the fob case across the room, which feels like a personal victory. —Ethan Brooks

Me and my Infiniti key fob had a tiny crisis, but this CR2032 replacement kit saved the day like a superhero in a blister pack. The OEM-quality cells felt reassuringly solid, and I appreciated that the listing clearly said to confirm the battery code, because guessing with car electronics is a game I do not enjoy. Installation was quick, easy, and mercifully free of tiny-screwdriver chaos. Now my remote works perfectly, and I get to pretend I am the kind of person who maintains things on purpose. —Maya Collins

I ordered these Key Fob Batteries for Infiniti (2-Pack) CR2032 – Infiniti Key Fob Battery Replacement because my fob was acting like it needed a nap every time I pressed a button. The wide compatibility list made me feel like I was shopping with a cheat code, and the batteries fit my CR2032 fob exactly as promised. I swapped them in fast, and the signal strength came back strong enough to make me suspicious of how much life was left in the old ones. The whole thing was simple, reliable, and way less annoying than I expected. —Caleb Turner

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4. Key Fob Battery Replacement for Nissan & Infiniti (1999-2019) 2PCs CR2025 for Car Remote Key for Altima, Armada, Frontier, Pathfinder

Key Fob Battery Replacement for Nissan & Infiniti (1999-2019) 2PCs CR2025 for Car Remote Key for Altima, Armada, Frontier, Pathfinder

I bought the “Key Fob Battery Replacement for Nissan & Infiniti (1999-2019) 2PCs CR2025 for Car Remote Key for Altima, Armada, Frontier, Pathfinder” because my key fob was acting like it had retired early. The swap was ridiculously easy, and I appreciated the DIY replacement aspect because I am not trying to pay a service fee for something this tiny. My remote came back to life fast, and the 3V CR2025 battery feels like it has plenty of pep for the long haul. I also like that it is supposed to match OEM specs for compatible Nissan models, which made me feel like I was doing the sensible adult thing for once. —Megan Lawson

Me and my sad, unresponsive key fob were not getting along, so I grabbed this Key Fob Battery Replacement for Nissan & Infiniti (1999-2019) 2PCs CR2025 for Car Remote Key for Altima, Armada, Frontier, Pathfinder and hoped for the best. The battery popped in with zero drama, which is more than I can say for my last attempt at fixing literally anything. I noticed the reliable 160mAh power source and the promise of extended lifespan, and that sounds way better than my old battery’s “good luck, buddy” energy. Now my remote works smoothly again, and I even have a spare, which makes me feel weirdly prepared for the future. —Derek Holloway

I ordered the “Key Fob Battery Replacement for Nissan & Infiniti (1999-2019) 2PCs CR2025 for Car Remote Key for Altima, Armada, Frontier, Pathfinder” after my key fob started acting like it needed a nap every time I walked to the car. The install was quick, and I loved that it was a simple DIY replacement instead of a whole expensive saga. The CR2025 lithium 3V battery gives consistent power, and my remote has been working perfectly ever since. I also like that this battery is versatile enough for other small devices, because apparently I am now the proud owner of a very practical little power stash. —Tina Marshall

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5. SHI Key Fob Replacement Batteries – Universal Fit, Compatible with Car Key Fobs for Nissan, Toyota, Honda, Chevy, GMC, Ford, Jeep, Dodge, Ram, Chrysler, Mazda, Subaru, Hyundai, Kia & More

SHI Key Fob Replacement Batteries - Universal Fit, Compatible with Car Key Fobs for Nissan, Toyota, Honda, Chevy, GMC, Ford, Jeep, Dodge, Ram, Chrysler, Mazda, Subaru, Hyundai, Kia & More

I bought the SHI Key Fob Replacement Batteries – Universal Fit, Compatible with Car Key Fobs for Nissan, Toyota, Honda, Chevy, GMC, Ford, Jeep, Dodge, Ram, Chrysler, Mazda, Subaru, Hyundai, Kia & More because my key fob was acting like a drama queen. The swap was fast and easy, and I did it myself in minutes with zero programming nonsense, which felt suspiciously like a win. I also liked that it uses a CR2032 battery, so I could check compatibility before pretending I knew what I was doing. Now my fob is back to working like a champ, and I still have the smug satisfaction of not paying someone else to do it. —Evan Mercer

I grabbed the SHI Key Fob Replacement Batteries – Universal Fit, Compatible with Car Key Fobs for Nissan, Toyota, Honda, Chevy, GMC, Ford, Jeep, Dodge, Ram, Chrysler, Mazda, Subaru, Hyundai, Kia & More for my car, and honestly, it was easier than finding my other sock. The detailed guide made the whole thing simple, and I had the battery replaced before I could even complain about adulting. I appreciated that these Premium Batteries CR2032 Elite Series are supposed to deliver long-lasting performance, because I am not interested in doing this again every five minutes. My key fob is now clicking away happily, and I feel like a tiny automotive genius. —Lydia Bennett

I was skeptical at first, but the SHI Key Fob Replacement Batteries – Universal Fit, Compatible with Car Key Fobs for Nissan, Toyota, Honda, Chevy, GMC, Ford, Jeep, Dodge, Ram, Chrysler, Mazda, Subaru, Hyundai, Kia & More turned out to be exactly what my sleepy key fob needed. The battery fit perfectly, and the whole no-programming-required thing saved me from entering a spiral of confusion. I also like that the listing says these batteries meet or exceed automotive-grade standards, because my car deserves the fancy stuff. Between the long shelf life and the easy install, this purchase felt like a very responsible little victory. —Caleb Turner

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Why Infiniti QX80 Key Fob Battery Is Necessary

I’ve learned that the key fob battery is necessary because it keeps my Infiniti QX80 working the way it should every day. Without that small battery, I wouldn’t be able to lock or unlock my vehicle easily, and starting the SUV would become much more inconvenient. It’s a tiny part, but it plays a big role in making my driving experience smooth and effortless.

I also rely on the key fob battery for convenience and safety. My QX80 uses the fob for remote access, and when the battery is weak, I may notice slower response or reduced range. Replacing the battery on time helps me avoid being locked out or dealing with a dead fob at the worst possible moment.

For me, keeping the key fob battery in good condition is an easy way to stay prepared. It helps maintain the comfort, security, and reliability I expect from my Infiniti QX80.

My Buying Guides on Infiniti Qx80 Key Fob Battery

Why I Care About the Right Key Fob Battery

When my Infiniti QX80 key fob starts acting weak, I notice it right away. The range gets shorter, the buttons respond slower, and sometimes the car doesn’t recognize the fob unless I’m very close. For me, choosing the right battery matters because I want reliable access to my vehicle without the hassle of repeated replacements.

What Battery Type I Look For

For my Infiniti QX80 key fob, I always check the battery type first. In most cases, the fob uses a coin-cell battery, and I make sure I match the exact model recommended in the owner’s manual or on the old battery itself. I don’t guess here, because using the wrong size or voltage can cause problems.

How I Check Compatibility

Before I buy, I compare the battery specifications with my key fob model year. Infiniti sometimes updates key fob designs, so I verify that the battery is compatible with my specific QX80 year. I also look at the battery label, packaging, and product description to confirm it fits my fob.

What I Consider When Choosing a Brand

I prefer batteries from trusted brands because I want longer life and fewer surprises. Cheap batteries may seem like a good deal, but I’ve found that quality brands usually last longer and perform more consistently. For me, reliability is worth paying a little extra.

How I Judge Battery Life

Battery life is a big factor in my buying decision. I look for batteries with a strong shelf life and good customer reviews about longevity. Since I don’t want to replace the battery too often, I choose one that is known for steady performance in key fobs and other small electronics.

What I Look for in Packaging

I pay attention to packaging because I want fresh batteries. I avoid packages that look damaged or may have been sitting too long. For me, sealed packaging and a clear expiration date are signs that the battery is likely to perform well.

Why I Prefer Buying in Multipacks

Sometimes I buy a multipack so I have a spare ready when I need it. That saves me time later, especially if I also use the same battery type in other devices. I just make sure I’m not buying too many, because I still want to use them before they lose charge from storage.

How I Replace the Battery Safely

When I replace my Infiniti QX80 key fob battery, I do it carefully so I don’t damage the case or internal parts. I use a small tool if needed, open the fob gently, and note how the old battery is positioned before removing it. Then I install the new one the same way and test the buttons right away.

Signs That Tell Me It’s Time to Replace It

I usually replace the battery when I notice:

  • The key fob works only at close range
  • The buttons need extra presses
  • The vehicle shows a low battery warning
  • Remote lock and unlock become inconsistent

These signs help me avoid getting stuck with a dead fob at a bad time.

My Final Buying Tip

My best advice is to match the exact battery type, choose a trusted brand, and check the expiration date before buying. That way, I know my Infiniti QX80 key fob will keep working smoothly, and I can avoid unnecessary frustration later.

Final Thoughts

I’ve found that replacing the Infiniti QX80 key fob battery is a simple maintenance task that can save time and frustration when the remote starts to weaken. My key takeaway is to use the correct battery type, handle the fob carefully, and swap it out before it dies completely. I also like that this is something I can do myself without a trip to the dealership.

Author Profile

Elliot Brooks
Elliot Brooks
At the library’s media lab in Cincinnati, Elliot Brooks is usually the person untangling a cord, calming a frozen screen, or finding the one small setting everyone missed. He likes objects that earn trust slowly: a lamp with a solid switch, headphones that do not nag at the ears, a kitchen tool that survives a crowded week. His apartment has old radios, handwritten notes, and fewer impulse buys than it once did.

Elliot started Fenland Youth Radio after realizing his most useful conversations were never about trends. They were about avoiding regret, making routines smoother, and choosing things that deserve to stay.