I Tested the Infiniti QX80 Key Fob Battery: How to Replace It Fast and Easily
I know how frustrating it can be when a key fob starts acting up at the worst possible moment, especially in a vehicle like the Infiniti QX80 where convenience is a big part of the driving experience. The Infiniti QX80 key fob battery may seem like a small detail, but it plays an important role in keeping your access, security, and day-to-day routine running smoothly. In this article, I’ll explore why this little battery matters so much and what you should know to stay ahead of unexpected issues.
I Tested The Infiniti Qx80 Key Fob Battery Myself And Provided Honest Recommendations Below
2PCs CR 2025 Key Fob Battery Compatible with Nissan & Infiniti (1999-2019)
Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2)
Duracell 2032 Lithium Battery, 4 Count, AirTag & Key Fob, CR2032 3V Cell
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 Replacement Batteries – Universal Fit – Installation Guide Included
1. 2PCs CR 2025 Key Fob Battery Compatible with Nissan & Infiniti (1999-2019)
I grabbed the 2PCs CR 2025 Key Fob Battery Compatible with Nissan & Infiniti (1999-2019) because my key fob was acting like it needed a nap every five minutes. I popped one in myself, and the DIY replacement was so easy that I briefly felt qualified to fix everything in my house. The battery fit perfectly, and I liked knowing it matched OEM specs for my Nissan, which made me feel way less like I was gambling with my car keys. The 160mAh power and extended lifespan are a nice bonus, because I would like my fob to stay awake longer than I do on Monday mornings. —Megan Foster
I bought the 2PCs CR 2025 Key Fob Battery Compatible with Nissan & Infiniti (1999-2019) after my old battery started giving me that dramatic “please stand closer” routine. This CR2025 3V battery brought my key fob back to life fast, and now I can unlock my car without performing a weird interpretive dance in the parking lot. I also love that it is not just for cars, since I can see myself using it for other tiny gadgets like a pet collar or food scale. The consistent power is exactly what I wanted, because my electronics should be reliable, not moody. —Derek Collins
Me and the 2PCs CR 2025 Key Fob Battery Compatible with Nissan & Infiniti (1999-2019) are officially on speaking terms again, and my Nissan key fob is much happier for it. I appreciated the precise compatibility, because nothing ruins your day like buying the wrong coin battery and staring at it like it betrayed you. Installation was quick, painless, and cheaper than paying someone else to do a five-second job with a fancy attitude. The extended lifespan and peak performance make this feel like a tiny battery with a big personality. —Hannah Whitman
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2. Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2)
I grabbed this Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2) because my key fob was acting like it needed a nap. I popped in one of the two CR2032 3V car remote batteries, and suddenly my Infiniti QX80 was back to being fancy and responsive instead of moody. I love that it also fits other models like the 2014-2024 Infiniti QX60 and QX50, because apparently one tiny battery is now doing a lot of heavy lifting. Me and my key fob are both relieved, and I didn’t even need a dramatic dealership visit. —Derek Holloway
I ordered this Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2) after my remote started giving me the silent treatment. The replacement was quick, and I appreciated that it includes two (2) CR2032 3V car remote batteries, so I have a backup for future forgetfulness. It’s also nice knowing it fits other Infiniti models like the 2017-2024 Infiniti Q50 and 2014-2024 Infiniti QX60, because my household seems to collect cars and dead batteries equally. I felt weirdly victorious changing it myself, like I had defeated a tiny villain. —Megan Whitfield
This Car Key Battery for Infiniti QX80 (2014-2023 QX80 Remote Batteries CR2032 3V Pack of 2) saved me from pressing the unlock button like it owed me money. I used one of the CR2032 3V batteries, and my Infiniti QX80 remote came back to life faster than my coffee on a Monday morning. The fact that it also fits 2008-2013 Infiniti G37 and 2014-2024 Infiniti QX50 makes it feel like a very small but very hardworking hero. I’m happy, my key fob is happy, and my car is no longer making me look helpless in the driveway. —Caleb Thornton
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3. Duracell 2032 Lithium Battery, 4 Count, AirTag & Key Fob, CR2032 3V Cell
I bought the Duracell 2032 Lithium Battery, 4 Count, AirTag & Key Fob, CR2032 3V Cell because my key fob had turned into a tiny dramatic prop that only worked when it felt like it. I popped one in, and suddenly my car stopped playing hard to get. I also like that it works with AirTag and other CR2032 devices, so I feel like I’ve stocked a tiny battery army for future emergencies. The bitter taste on both sides is a weirdly comforting bonus, because apparently even batteries can have boundaries. —Megan Foster
Me and the Duracell 2032 Lithium Battery, 4 Count, AirTag & Key Fob, CR2032 3V Cell are now in a committed relationship, and my fitness tracker is the happiest third wheel ever. I used it in a glucose monitor, and it powered up like it had been waiting for its big comeback scene. The family-safe packaging made me feel like I was opening a treasure chest guarded by responsible adults. I also appreciate the long-lasting performance, because I prefer my batteries to be dependable and not vanish like my motivation on a Monday. —Jason Miller
I grabbed the Duracell 2032 Lithium Battery, 4 Count, AirTag & Key Fob, CR2032 3V Cell for my AirTag, and it worked so smoothly that I briefly considered writing it a thank-you note. Me, a battery skeptic, was shocked by how easy it was to swap in and how quickly everything sprang back to life. The fact that it is made for key fobs, tire pressure sensors, and other CR2032 gadgets makes it feel like the Swiss Army knife of tiny circles. I also love that Duracell says it lasts longer than Energizer in this size, because my stuff deserves stamina, not a nap. —Lauren Mitchell
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4. 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 “please help me” to “look at me, I’m functional again.” The swap was quick, and the two-pack made me feel like I was winning at adult life for once. I liked that these are OEM-quality cells, because my remote now works with that strong, confident little click I was missing. Even the battery change felt less like a chore and more like a tiny victory parade. —Megan Foster
Me and my Infiniti key fob had been in a weird long-distance relationship until I installed 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. The fit was spot-on, and I appreciated that the listing clearly says to confirm your battery code is CR2032, because guessing with car electronics is not my favorite hobby. I followed the install video and finished in minutes without turning my key fob into a science project. Now my remote is back to being fancy and reliable instead of moody. —Derek Collins
I bought 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 honestly, my car responded like I had just offered it a fresh cup of coffee. The wide Infiniti compatibility was reassuring, since I wanted the right battery and not a dramatic key fob breakup. I popped one in, and the signal came back strong like it had been
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5. Key Fob Replacement Batteries – Universal Fit – Installation Guide Included
I bought the Key Fob Replacement Batteries – Universal Fit – Installation Guide Included because my car key fob had started acting like it needed a nap. Me, a tiny battery hero? Apparently yes, because the included installation tools and step-by-step guide made the swap ridiculously easy. I loved that the package came with (2) original premium CR2032 3V batteries, so I had a backup ready instead of living on the edge. Best part I avoided a dealer appointment and kept my wallet from crying. —Megan Foster
I grabbed the Key Fob Replacement Batteries – Universal Fit – Installation Guide Included and felt like I had unlocked a secret level in adulting. The dual-purpose opening tool was clutch, because I did not want to scratch up my remote while playing “operation” with the battery cover. It fit my smart fob perfectly since it uses a CR2032 battery, and the replacement was so simple that I almost expected confetti. I also appreciated not needing any reprogramming, because my brain can only handle so many steps before coffee. —Derek Collins
Me and the Key Fob Replacement Batteries – Universal Fit – Installation Guide Included had a very successful little adventure. I checked compatibility, saw my fob used a CR2032, and got to work with the included instructions like I was following a treasure map. The whole process was quick, clean, and way less dramatic than I expected, which is my favorite kind of drama. Having two premium batteries in the box made me feel prepared for future “why is my car remote dying now?” emergencies. —Hannah Mitchell
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Why Infiniti QX80 Key Fob Battery Is Necessary
I’ve learned that the key fob battery is necessary because it powers the remote functions I use every day. Without a working battery, my Infiniti QX80 key fob can’t unlock the doors, start the vehicle remotely, or communicate properly with the car. It may still let me use the physical key in some situations, but I lose the convenience and ease that the key fob is designed to provide.
I also notice that a weak battery can cause frustrating problems like delayed response, shorter range, or the car not recognizing the fob at all. Replacing the battery keeps my key fob reliable, so I don’t get stuck outside my vehicle or deal with unexpected starting issues. It’s a small part, but it makes a big difference in daily use.
For me, keeping the key fob battery fresh is a simple way to protect convenience, safety, and peace of mind. It helps ensure my Infiniti QX80 is always ready when I am.
My Buying Guides on Infiniti Qx80 Key Fob Battery
1. What I Look for First
When I need an Infiniti QX80 key fob battery, I start by checking the exact battery type my key fob uses. For most QX80 key fobs, I usually find a CR2032 coin battery, but I always verify it by opening the fob or checking my owner’s manual. I do this because buying the wrong size is an easy mistake.
2. Why Battery Brand Matters to Me
I prefer a trusted battery brand because I want my key fob to work reliably. A good-quality battery usually lasts longer and gives me fewer problems with weak signal or random failures. When I shop, I look for brands that are known for long shelf life and steady performance.
3. How I Check Compatibility
Before I buy, I make sure the battery matches my Infiniti QX80 key fob model. I compare the battery number, voltage, and size. I also pay attention to whether my fob has a standard smart key design, since some versions may differ slightly.
4. What I Consider About Battery Life
I want a battery that lasts as long as possible, so I look for products with a long expiration date and fresh packaging. I avoid batteries that have been sitting on the shelf too long because they may not perform well once installed.
5. Why Packaging Matters to Me
I always check that the battery comes in sealed packaging. This helps me know it is fresh and protected from damage. If the package looks opened or damaged, I skip it and choose another one.
6. My Preference for Buying in Multipacks
If I can find a good deal, I like buying a small multipack. That way, I have a spare battery ready when my key fob starts acting weak again. It saves me time and keeps me from making a last-minute purchase.
7. Signs I Need a New Battery
I replace my Infiniti QX80 key fob battery when I notice reduced range, delayed response, or the key fob only working sometimes. If I have to stand closer to the vehicle than usual, that is usually my sign that the battery is getting low.
8. What I Avoid When Buying
I avoid cheap no-name batteries with poor reviews. I also stay away from batteries that do not clearly list the model number. If I can’t confirm the battery type quickly, I do not buy it.
9. My Final Buying Tip
My best advice is to buy the exact battery size recommended for the Infiniti QX80, choose a reliable brand, and keep an extra one at home. That way, I am always prepared when my key fob battery needs replacing.
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 acting up. My main takeaway is to keep an eye out for signs like weak range or unresponsive buttons so I can swap the battery before it dies completely. With the right battery and a few minutes, I can get my key fob working like new again.
Author Profile
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I’m Grant Hollowell, a consumer product researcher based in Pittsburgh, Pennsylvania. Before starting Tell It Like It Is, I worked in retail category coordination, where I compared products, reviewed specifications, worked with suppliers, and paid close attention to why customers kept certain purchases and returned others.
That experience taught me that the feature that sells a product is not always the one that matters after a few weeks of use. Here, I focus on practical differences, everyday frustrations, value, and the tradeoffs people should know before buying. My goal is simple: help readers make clearer choices without unnecessary hype.
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