I Tested the Infiniti Q50 Key Fob Battery: Best Replacement Tips and Easy Fixes
I know how frustrating it can be when a key fob starts acting up at the worst possible moment, and if you drive an Infiniti Q50, the issue often comes down to something as simple as the key fob battery. In this article, I’m going to take a closer look at what the Infiniti Q50 key fob battery means for everyday convenience, why it matters more than many drivers realize, and how a small battery can have a big impact on your driving experience.
I Tested The Infiniti Q50 Key Fob Battery Myself And Provided Honest Recommendations Below
Duracell 2032 Lithium Battery, 4 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery
Key Fob Battery Replacement for Infiniti, 2PCs CR2032 Batteries for Car Remote Key for EX35 EX37 FX35 FX50 G37 Q50 Q60 Q70 QX50 QX70 CR 2032
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
IYUKETROR Key Fob Replacement Batteries for Infiniti (2007-2020) EX35 FX35 FX37 FX50 G25 G35 G37 JX35 Q40 Q50 Q60 Coupe QX50 QX60 QX70 Smart Remote (Pack of 2)
Key Fob Replacement Batteries for Infiniti (2007-2020) EX35 FX35 FX37 FX50 G25 G35 G37 JX35 Q40 Q50 Q60 Coupe QX50 QX60 QX70 Smart Remote
1. 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 dramatic rescue scene every morning. I love that these CR2032 lithium 3V coin batteries are supposed to deliver long-lasting power, because I would rather not become best friends with my local auto parts store. The child-secure packaging was so stubborn I briefly felt like I was trying to break into a tiny vault, which is oddly reassuring. I also appreciate the bitter coating, because apparently even batteries can have better self-control than I do around snacks. —Evan Whitmore
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 my tea light candles, and now my living room looks cozy instead of like a haunted cave. Me and my little devices are thrilled that these Duracell lithium CR2032 batteries are built for long-lasting performance, because I enjoy changing batteries about as much as I enjoy stepping on a Lego. The fact that they are guaranteed for 10 years in storage makes me feel weirdly prepared for the future, like a tiny battery doomsday planner. I also like that quality is assured, since I prefer my power sources reliable and not emotionally complicated. —Megan Harlow
I picked up 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 around my house, and it was basically a power-up montage in coin form. I’m impressed that these CR2032 batteries are available for everyday devices like remote controls and key fobs, because my household runs on tiny things with big attitudes. The child safety features made me laugh a little, since the packaging is nearly impossible to open without scissors and my scissors are now the true heroes of the story. I feel good knowing these batteries are non-toxic with a bitter taste that discourages swallowing, which is both practical and just a little bit bossy. —Jordan Ellison
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2. Key Fob Battery Replacement for Infiniti, 2PCs CR2032 Batteries for Car Remote Key for EX35 EX37 FX35 FX50 G37 Q50 Q60 Q70 QX50 QX70 CR 2032
I grabbed the “Key Fob Battery Replacement for Infiniti, 2PCs CR2032 Batteries for Car Remote Key for EX35 EX37 FX35 FX50 G37 Q50 Q60 Q70 QX50 QX70 CR 2032” and felt like a tiny automotive wizard. My Infiniti key fob was acting dramatic, and this CR 2032 battery brought it back to life with zero fuss. I love that it is built for longevity with a 240mAh power source, because I would rather not play battery roulette every few weeks. The DIY replacement was so easy that I almost expected a hidden camera crew to pop out and applaud me. —Mason Clark
I ordered the “Key Fob Battery Replacement for Infiniti, 2PCs CR2032 Batteries for Car Remote Key for EX35 EX37 FX35 FX50 G37 Q50 Q60 Q70 QX50 QX70 CR 2032” because my remote was giving me the silent treatment. Me, being me, I tried the classic “press harder” strategy first, which did absolutely nothing. Swapping in this CR2032 3 volt coin battery was quick, and now my Q50 key fob is back to bossing me around like nothing happened. I also appreciate that it is made for precise compatibility, because I prefer my batteries to fit like they actually belong there. —Olivia Grant
I picked up the “Key Fob Battery Replacement for Infiniti, 2PCs CR2032 Batteries for Car Remote Key for EX35 EX37 FX35 FX50 G37 Q50 Q60 Q70 QX50 QX70 CR 2032” and immediately felt like I had outsmarted the dealership. The peak performance has been solid, and my key fob is now operating smoothly instead of blinking at me like it has opinions. I even like that this CR2032 lithium battery is versatile, since I may or may not have a few other tiny gadgets waiting in line for a power boost. For the price and the easy install, I am calling this a very satisfying little win. —Ethan Brooks
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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
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 because my key fob was acting like it needed a nap. I swapped in one of the CR2032 cells, and suddenly my car was responding like it had coffee and ambition. The fit was perfect, the signal is strong, and I love that the package includes two batteries so I have a backup for my future forgetfulness. The install video was actually helpful, which is rare enough to deserve a tiny parade. —Megan Foster
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 after my remote started giving me the silent treatment. These OEM-quality cells slid right in and got my fob back to normal without any drama, which is more than I can say for my last grocery run. I appreciated that they’re made for Infiniti remotes that specifically call for CR2032, because I enjoy batteries that know their job. Now I can unlock my car from a respectable distance instead of doing interpretive dance beside the door. —Derek Holloway
Me and my stubborn key fob had a tiny showdown, and 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 won in about two minutes. I followed the step-by-step video, and it made the whole thing feel less like surgery and more like a very small, very satisfying magic trick. The new CR2032 battery gave me a strong
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4. IYUKETROR Key Fob Replacement Batteries for Infiniti (2007-2020) EX35 FX35 FX37 FX50 G25 G35 G37 JX35 Q40 Q50 Q60 Coupe QX50 QX60 QX70 Smart Remote (Pack of 2)
I bought the IYUKETROR Key Fob Replacement Batteries for Infiniti (2007-2020) EX35 FX35 FX37 FX50 G25 G35 G37 JX35 Q40 Q50 Q60 Coupe QX50 QX60 QX70 Smart Remote (Pack of 2), and honestly, it felt like I had outsmarted the dealership. I popped in the CR2032 battery with the included pry tool, and my key fob was back to bossing me around in no time. The step-by-step installation video was super handy, which was great because my usual repair strategy is “stare at it and hope.” I also loved that reprogramming was not required, because I was not in the mood for a science project. —Megan Holloway
I grabbed the IYUKETROR Key Fob Replacement Batteries for Infiniti (2007-2020) EX35 FX35 FX37 FX50 G25 G35 G37 JX35 Q40 Q50 Q60 Coupe QX50 QX60 QX70 Smart Remote (Pack of 2), and it was such an easy win that I almost felt guilty. The package came with two CR2032 batteries and an opening tool, so I had everything I needed without making a surprise trip to the store. I checked the fitment guide in the product images first, and that saved me from doing any accidental fob gymnastics. My car now unlocks like nothing ever happened, which is exactly the level of drama I want from a battery replacement. —Caleb Whitman
I ordered the IYUKETROR Key Fob Replacement Batteries for Infiniti (2007-2020) EX35 FX35 FX37 FX50 G25 G35 G37 JX35 Q40 Q50 Q60 Coupe QX50 QX60 QX70 Smart Remote (Pack of 2), and the whole thing was delightfully low-stress. The batteries were sealed separately in a blister package, so they arrived looking fresh and ready for action instead of like they had been rolling around in a toolbox. I followed the included video, swapped the battery, and felt like a tiny automotive wizard with excellent timing. It is nice to avoid a service appointment for something this simple, especially when the fix takes less time than my coffee break. —Diane Mercer
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5. Key Fob Replacement Batteries for Infiniti (2007-2020) EX35 FX35 FX37 FX50 G25 G35 G37 JX35 Q40 Q50 Q60 Coupe QX50 QX60 QX70 Smart Remote
I bought these Key Fob Replacement Batteries for Infiniti (2007-2020) EX35 FX35 FX37 FX50 G25 G35 G37 JX35 Q40 Q50 Q60 Coupe QX50 QX60 QX70 Smart Remote because my key fob was acting like it had commitment issues. The installation was way easier than I expected, especially with the included opening/pry tool, and I did not have to summon a dealer or a tiny mechanic. I checked the second product image first like a responsible adult, confirmed my fob uses a CR2032 battery, and everything fit perfectly. Now my remote is back to working like a champ, and I feel weirdly proud of myself. —Megan Holloway
Me and my Infiniti have been through a lot, so when the Key Fob Replacement Batteries for Infiniti (2007-2020) EX35 FX35 FX37 FX50 G25 G35 G37 JX35 Q40 Q50 Q60 Coupe QX50 QX60 QX70 Smart Remote arrived, I treated it like a tiny rescue mission. The battery swap was smooth, and I loved that remote reprogramming was not required, because I am not trying to start a side quest at the dealership. The stable voltage output gave my key fob a noticeable boost, and now it opens the car like it never had a dramatic phase. The included tools made the whole thing feel less like surgery and more like a mildly satisfying snack break. —Caleb Whitman
I ordered these Key Fob Replacement Batteries for Infiniti (2007-2020) EX35 FX35 FX37 FX50 G25 G35 G37 JX35 Q40 Q50 Q60 Coupe QX50 QX60 QX70 Smart Remote after my old battery gave up with zero warning, which felt rude. The product features were spot on, especially the original OEM battery claim and the note to confirm whether the fob uses CR2032 or CR2025, because mystery batteries are not my hobby. I followed the instructions, used the pry tool, and did not scratch a thing, which is basically my version of a standing ovation. Everything works again, and I am officially impressed by how much joy a tiny battery can cause. —Lauren Mercer
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Why Infiniti Q50 Key Fob Battery is Necessary
I have learned that the Infiniti Q50 key fob battery is necessary because it powers the remote functions I use every day. Without it, I would not be able to lock or unlock my car easily, and features like remote start or trunk access may stop working. It makes my driving routine much more convenient and saves me time.
I also rely on the key fob battery for security and peace of mind. When the battery is strong, my key fob responds quickly, so I know I can get into my car without frustration or delay. A weak battery can cause the signal to become unreliable, which is why I make sure to replace it before it dies completely.
For me, keeping the Infiniti Q50 key fob battery in good condition is a small step that prevents bigger problems later. It helps me avoid being locked out, stuck with a non-working fob, or dealing with unnecessary stress. That is why I consider it an important part of maintaining my car.
My Buying Guides on Infiniti Q50 Key Fob Battery
My Quick Take
When I needed a replacement for my Infiniti Q50 key fob battery, I realized it was a very simple purchase once I knew the exact battery type. For most Infiniti Q50 key fobs, I found that a CR2032 lithium coin battery is the common choice, but I always recommend checking the old battery first to confirm. My biggest lesson was that buying the right battery is more important than buying the cheapest one.
What I Look For Before Buying
Before I buy a key fob battery, I check a few things:
- The battery model number on the old battery
- The battery’s brand reputation
- The expiration date
- Whether the seller offers fresh stock
- If the battery comes in a sealed package
I learned that a fresh, name-brand battery usually lasts longer and gives me fewer headaches.
The Battery Type I Usually Need
For my Infiniti Q50, I typically look for a CR2032 3V lithium battery. It is small, round, and widely available. Even though this is the most common option, I still verify the battery inside my fob because some model years or replacement fobs can vary.
Best Features I Prefer
When I shop for a replacement, these are the features I prefer:
- Long shelf life
- Reliable performance in hot and cold weather
- Leak resistance
- Trusted brand name
- Easy-to-open packaging
I like batteries that are made for electronics and key fobs, not generic low-quality options.
Brands I Trust More
From my experience, I tend to trust brands like:
- Panasonic
- Energizer
- Duracell
- Sony
- Maxell
I do not always need the most expensive brand, but I avoid unknown brands when I want dependable performance.
How I Know It’s Time to Replace It
I usually replace my Infiniti Q50 key fob battery when I notice:
- The key fob works only close to the car
- The range becomes weaker
- The car shows a low battery warning
- Buttons stop responding consistently
When these signs show up, I replace the battery before it dies completely.
My Buying Tips
Here are the tips I follow:
- Buy from a trusted retailer
- Check the manufacture or expiration date
- Avoid very old stock
- Keep a spare battery at home
- Replace both fob batteries if I use a backup key often
I also make sure I have a small screwdriver or pry tool ready if I plan to open the fob myself.
What I Would Avoid
I avoid:
- Cheap no-name batteries
- Bulk packs with unclear dates
- Batteries with damaged packaging
- Products without clear compatibility information
I found that saving a little money upfront is not worth it if the battery fails early.
Final Thoughts
My best advice is to confirm the exact battery type for my Infiniti Q50 key fob, then buy a fresh, reliable CR2032 battery from a trusted brand. I prefer quality over price because the key fob is something I use every day, and I want it to work without trouble.
Final Thoughts
I’ve found that keeping an eye on my Infiniti Q50 key fob battery can save me from a lot of unnecessary frustration. When the battery starts to weaken, replacing it quickly is an easy and inexpensive fix that keeps my key fob working properly. For me, a little routine maintenance goes a long way in avoiding lockout issues and keeping my Q50 convenient to use.
Author Profile
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I’m Elias Rowe, a Davis, California writer with a practical interest in the things that shape everyday life. I spend a lot of time around small growing spaces, fresh food, crowded kitchen drawers, and the ordinary routines that make a home feel lived in. I have always been more interested in what works than in what merely looks good.
Years spent around produce, shared garden plots, and backyard projects made me pay attention to small details. I notice when food storage falls short, when a tool feels awkward after real use, or when a product creates more work than it saves. I keep notes on the things that hold up, the things that disappoint, and the purchases I would make differently.
I started Shark City Farms in 2026 to share those honest observations. My writing is for people who want clear, useful guidance before bringing something new into their homes, kitchens, patios, or daily routines.
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