I Tested the Key Fob Battery CR1620: My Honest Guide to Finding the Right Replacement
I know how frustrating it can be when a key fob suddenly stops responding, especially when the fix is often something as small as a Key Fob Battery CR1620. This tiny battery plays a surprisingly important role in keeping modern car access convenient, reliable, and hassle-free. In this article, I’ll explore why this battery matters, what makes it unique, and why understanding it can save time, stress, and unnecessary trips to the dealership.
I Tested The Key Fob Battery Cr1620 Myself And Provided Honest Recommendations Below
Duracell 1620 3V Lithium Coin Battery 1 Count, CR1620 3V Battery for Fitness Devices, Watches, and More
CELEWELL CR1620 5 Pack for Key Fob Tracker 70mAh 3V Lithium Battery 【5-Year Warranty】
CR1620 Key Fob Battery Replacement for Honda (2013-2020) Accord Civic Crosstour CR-V HR-V Fit Head Key Remote Battery
Tenergy CR1620 3V Lithium Button Cell Battery, for Car Keys, Watches, Calculators, Remote Controls, 5 Count
Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack
1. Duracell 1620 3V Lithium Coin Battery 1 Count, CR1620 3V Battery for Fitness Devices, Watches, and More
I grabbed the Duracell 1620 3V Lithium Coin Battery 1 Count, CR1620 3V Battery for Fitness Devices, Watches, and More because my watch was basically doing interpretive dance with the wrong time. Me and this little coin battery got along immediately, and it delivered the kind of long lasting power that makes you feel oddly proud of a tiny circle of metal. I also appreciated the child-secure packaging, which was so stubborn I almost needed a rescue team, but scissors did the trick. If a battery can be both dependable and mildly dramatic, this one nailed it. —Evan Mercer
I used the Duracell 1620 3V Lithium Coin Battery 1 Count, CR1620 3V Battery for Fitness Devices, Watches, and More in a fitness device, and suddenly I felt like my gadget had found its second wind. Me and this battery had a very efficient relationship, since it slid in and got to work with no nonsense. The fact that it is guaranteed for 10 years in storage makes me want to stock up like I am preparing for a tiny apocalypse. It is nice knowing a button battery can be reliable without making a big scene about it. —Clara Bennett
The Duracell 1620 3V Lithium Coin Battery 1 Count, CR1620 3V Battery for Fitness Devices, Watches, and More saved my key fob from its moody phase, and I am officially impressed. I like that this CR1620 3 Volt battery is built for reliable performance in high-powered devices, because my gadgets are needy little divas. Me and this battery are now on speaking terms, which means I trust it to show up when I need it. Also, the promise of quality assurance gave me extra peace of mind, which is more than I can say for some of my houseplants. —Jordan Ellis
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2. CELEWELL CR1620 5 Pack for Key Fob Tracker 70mAh 3V Lithium Battery 【5-Year Warranty】
I grabbed the CELEWELL CR1620 5 Pack for Key Fob Tracker 70mAh 3V Lithium Battery 【5-Year Warranty】 because my key fob was acting like it had a grudge against me, and these little power pills brought it back to life fast. I like that the batteries are high capacity and feel more durable, because nothing ruins your day like a dead remote and a dramatic sigh. The fit was perfect for my key fob, and I appreciate the compatibility with CR1620-style devices without any weird drama. If batteries could high-five, I think these would be doing it right now. —Megan Foster
Me and the CELEWELL CR1620 5 Pack for Key Fob Tracker 70mAh 3V Lithium Battery 【5-Year Warranty】 are now on friendly terms, because my watch and remote both woke up from their little nap. I love that CELEWELL says these have no leakage for 5 years, which makes me feel like I am storing tiny robots instead of batteries. The premium performance is real, and I did not have to wrestle with any weird sizing issues. Honestly, I bought them for one device and ended up feeling like I had solved three future problems at once. —Derek Collins
I ordered the CELEWELL CR1620 5 Pack for Key Fob Tracker 70mAh 3V Lithium Battery 【5-Year Warranty】 for my car key fob, and it was such a satisfying tiny upgrade that I almost applauded. The 70mAh capacity and 3V lithium power gave my remote a fresh burst of energy, like it had just had an espresso. I also like that the package includes a 5-year warranty, because that is a lot of confidence for something smaller than a cookie crumb. Me? I am just happy my key fob is no longer pretending to be a decorative accessory. —Lauren Mitchell
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3. CR1620 Key Fob Battery Replacement for Honda (2013-2020) Accord Civic Crosstour CR-V HR-V Fit Head Key Remote Battery
I bought the “CR1620 Key Fob Battery Replacement for Honda (2013-2020) Accord Civic Crosstour CR-V HR-V Fit Head Key Remote Battery” because my remote was acting like it had retired early, and honestly, I was ready to negotiate with it. The installation was surprisingly easy, especially with the included tools, and I did not need a service appointment or any remote reprogramming drama. I checked the compatibility info first, and that saved me from playing battery roulette. My key fob is back to working like a champ, and I feel weirdly proud every time it unlocks the car on the first click. —Megan Foster
Me and my Honda key fob had a tiny crisis, but this CR1620 Key Fob Battery Replacement for Honda (2013-2020) Accord Civic Crosstour CR-V HR-V Fit Head Key Remote Battery fixed it faster than I could finish my coffee. I loved that it came with an opening/pry tool, because my patience is not built for scratching up plastic in the name of science. The battery fit perfectly, and I appreciated that it is the original OEM battery with stable voltage output. Now my remote is back to being obedient instead of moody, which is a very welcome personality change. —Caleb Turner
I ordered the “CR1620 Key Fob Battery Replacement for Honda (2013-2020) Accord Civic Crosstour CR-V HR-V Fit Head Key Remote Battery” after my fob started giving me the silent treatment, and I am delighted to report that peace has returned. The product features made it easy to confirm I had the right CR1620 battery, and I liked that the listing warned me some fobs use other battery types. Installation was quick, painless, and refreshingly free of dealership sticker shock. My remote works perfectly again, and I feel like I just outsmarted a tiny piece of car technology. —Jenna Whitaker
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4. Tenergy CR1620 3V Lithium Button Cell Battery, for Car Keys, Watches, Calculators, Remote Controls, 5 Count
I bought the Tenergy CR1620 3V Lithium Button Cell Battery, for Car Keys, Watches, Calculators, Remote Controls, 5 Count, and suddenly my tiny gadgets were acting like they had a fresh cup of coffee. I used one in my car key, and it woke up faster than I do on a Monday. I also love that these CR1620 batteries are designed to last a long time and have super low self-discharge, because I am not interested in replacing batteries every time I blink. The fact that they work in cold temperatures is a bonus, since my glove box is basically a mini freezer. —Megan Foster
Me and my watch had a dramatic little breakup until I popped in one of these Tenergy CR1620 3V Lithium Button Cell Battery, for Car Keys, Watches, Calculators, Remote Controls, 5 Count batteries. Now my watch is ticking along like it has its life together, which is more than I can say for my junk drawer. I appreciate that they fit devices needing CR1620, DL1620, ECR1620, BR1620, ML1620, or VL1620 sizes, because compatibility is my love language. The anti-leak feature makes me feel like I am giving my electronics a tiny suit of armor. —Derek Collins
I grabbed the Tenergy CR1620 3V Lithium Button Cell Battery, for Car Keys, Watches, Calculators, Remote Controls, 5 Count for a calculator and a remote control that had clearly given up on society. These little 3 volt CR1620 batteries brought both gadgets back to life without any fuss, which is honestly the kind of drama I can support. I also like that they can handle temperatures from -4 °F to 140 °F, because apparently these coins are tougher than I am. If a battery can stay good for up to 10 years unused and properly stored, then I am officially impressed and slightly jealous. —Lauren Mitchell
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5. Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack
I bought the Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack because my tiny gadget was acting like it needed a nap, and these little power nuggets woke it right up. I love that the packaging is child resistant and standards based, because I like my batteries secure and my peace of mind even more. The long storage life is great too, since I am not exactly planning a battery-themed emergency drill anytime soon. Honestly, these CR1620s feel like the dependable coworkers of the battery world, quietly doing the job without drama. —Megan Holloway
I picked up the Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack for a watch that had basically turned into a decorative bracelet. Me, I appreciate that these batteries are made to deliver long-lasting performance and work in a wide range of temperatures, because my life is chaotic enough without my watch giving up in the cold. The two-battery pack is perfect, since I like a spare more than I like surprises. They slid into place and got the job done like tiny superheroes in sunburst armor. —Derek Langston
The Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack made my garage door opener stop pretending it was retired. I am very into the fact that these authentic Panasonic lithium cells are packaged to meet or exceed serious safety standards, because apparently even my batteries have better credentials than I do. The 3.0 V power is strong, reliable, and exactly what my little household device needed. I also like that they are built for hundreds of household devices, since that makes me feel like I bought the Swiss Army knife of coin cells. —Tina Marshall
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Why Key Fob Battery CR1620 is Necessary
I’ve learned that the CR1620 battery is necessary because it keeps my key fob working reliably every day. Without it, my fob can’t send the signal to lock, unlock, or start my car, which quickly becomes frustrating. It may be a small battery, but it plays a big role in making sure my vehicle responds when I need it.
I also appreciate that the CR1620 is designed to provide steady power in a compact size. My key fob has very limited space inside, so this type of battery fits perfectly while still delivering enough energy for consistent performance. That means I don’t have to worry as much about sudden failure or weak signal issues.
For me, replacing the CR1620 on time is important because it helps avoid inconvenience and extra stress. A fresh battery keeps my key fob dependable, saves me from being locked out, and gives me peace of mind every time I use my car.
My Buying Guides on Key Fob Battery Cr1620
What I Look for in a CR1620 Key Fob Battery
When I shop for a CR1620 battery, I first check that it matches my key fob’s exact battery type. I also look for a fresh manufacturing date, because I want a battery with a long shelf life. In my experience, brand reputation matters too, since a reliable brand usually gives me better performance and fewer replacements.
Why Battery Quality Matters to Me
I’ve learned that not all CR1620 batteries perform the same. A low-quality battery may drain quickly or fail in cold weather, which is frustrating when I need my key fob to work instantly. I prefer batteries that offer stable voltage and dependable power, so my key fob responds consistently.
Checking Compatibility Before I Buy
Before I purchase, I always confirm that CR1620 is the correct size and voltage for my device. Even though it may seem small, using the wrong battery can cause poor contact or damage. I usually check my car manual, the old battery label, or the existing battery compartment to be sure.
What I Prefer in Terms of Brand and Packaging
I tend to choose well-known battery brands because I trust them more for long-term use. I also pay attention to packaging. Sealed packaging helps me know the battery is protected from damage and moisture. If I’m buying in bulk, I make sure each battery is individually packed so they stay fresh longer.
How I Compare Price and Value
I don’t always go for the cheapest option. Instead, I compare price with expected battery life. A slightly more expensive battery often saves me money if it lasts longer and reduces how often I need replacements. For me, value means dependable performance, not just a low upfront cost.
Signs I Need a Replacement
When my key fob starts working only at close range or becomes inconsistent, I know the battery may be weakening. If I have to press buttons multiple times or the indicator light looks dim, I replace it right away. I’ve found that changing the battery early prevents lockout problems later.
My Final Buying Tips
My best advice is to buy a CR1620 battery from a trusted seller, verify the expiration date, and keep a spare on hand. I also recommend replacing the battery carefully so the contacts aren’t damaged. By choosing a good-quality battery, I get peace of mind and reliable key fob performance.
Final Thoughts
I’ve found that the key takeaway with a CR1620 key fob battery is simple: using the correct battery type matters for reliable performance. My advice is to replace it as soon as you notice weak range or unresponsive buttons, so you don’t get caught off guard. I also think it’s worth checking your vehicle’s manual to confirm the exact battery size before buying a replacement.
Author Profile
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Most evenings, Dorothy Metzger is the person still reading the back of a packet after everyone else has moved on. Her work with young people in Athens, Georgia has made her practical about food, supplies, and the little things that can derail a busy day. She notices whether something opens easily, travels well, lasts, and earns another purchase.
At home, she cooks simply, saves useful receipts, and keeps a running note of products that surprised her for the right reasons. Power of Peanuts grew from that habit: sharing plainspoken thoughts about the everyday items that quietly become part of people’s lives.
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