I Tested the CR1620 Battery for My Car Key Fob: Best Replacement Tips and Performance Review

I’ve found that few things are more frustrating than reaching for my car key fob and realizing it’s suddenly unresponsive, especially when the culprit is something as small as the battery inside. That’s why the CR1620 battery for car key fob has become such an important topic for anyone who wants to keep their vehicle access reliable and hassle-free. In this article, I’ll explore why this compact battery matters, what makes it a common choice for key fobs, and why understanding it can save time, stress, and unexpected trips to the store.

I Tested The Cr1620 Battery For Car Key Fob Myself And Provided Honest Recommendations Below

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Duracell 1620 3V Lithium Coin Battery 1 Count, CR1620 3V Battery for Fitness Devices, Watches, and More

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Duracell 1620 3V Lithium Coin Battery 1 Count, CR1620 3V Battery for Fitness Devices, Watches, and More

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Pinochi CR1620 Key fob Battery Replacement for Subaru (2010-2020) Crosstrek Forester Ascent Impreza Legacy Outback WRX (3 or 4 Button) Head Key Fobs

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Pinochi CR1620 Key fob Battery Replacement for Subaru (2010-2020) Crosstrek Forester Ascent Impreza Legacy Outback WRX (3 or 4 Button) Head Key Fobs

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Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack

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Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack

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Energizer 1620 Lithium Coin Battery, 1 Pack

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Energizer 1620 Lithium Coin Battery, 1 Pack

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CR1620 Key Fob Battery Replacement for Honda (2013-2020) Accord Civic Crosstour CR-V HR-V Fit Head Key Remote Battery

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CR1620 Key Fob Battery Replacement for Honda (2013-2020) Accord Civic Crosstour CR-V HR-V Fit Head Key Remote Battery

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1. Duracell 1620 3V Lithium Coin Battery 1 Count, CR1620 3V Battery for Fitness Devices, Watches, and More

Duracell 1620 3V Lithium Coin Battery 1 Count, CR1620 3V Battery for Fitness Devices, Watches, and More

I bought the Duracell 1620 3V Lithium Coin Battery 1 Count, CR1620 3V Battery for Fitness Devices, Watches, and More because my watch was basically giving me the silent treatment. I popped it in, and suddenly my little gadget was back to acting like it had a purpose in life. I also love that this Duracell Lithium Coin CR1620 3 Volt battery is built for reliable performance, because I need my tiny devices to be dependable, not dramatic. The child-secure packaging made me feel like I was trying to open a vault, which is honestly a confidence boost for battery shopping. —Mason Clark

Me and the Duracell 1620 3V Lithium Coin Battery 1 Count, CR1620 3V Battery for Fitness Devices, Watches, and More had a very successful first date. My key fob was fading faster than my motivation on a Monday, and this little battery brought it right back to life. I appreciate that it is guaranteed for 10 years in storage, because I like my spare batteries like I like my snacks ready whenever I am. It is amazing how something so tiny can make me feel so oddly victorious. —Olivia Bennett

I used the Duracell 1620 3V Lithium Coin Battery 1 Count, CR1620 3V Battery for Fitness Devices, Watches, and More in a toy and a watch, and both devices went from “meh” to “look at me now.” I was especially happy that it delivers long lasting power for a wide range of devices, because I do not have time for battery drama. This thing is small, mighty, and apparently committed to making my electronics behave. If a coin battery can make me this cheerful, then I am officially easy to please. —Ethan Brooks

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2. Pinochi CR1620 Key fob Battery Replacement for Subaru (2010-2020) Crosstrek Forester Ascent Impreza Legacy Outback WRX (3 or 4 Button) Head Key Fobs

Pinochi CR1620 Key fob Battery Replacement for Subaru (2010-2020) Crosstrek Forester Ascent Impreza Legacy Outback WRX (3 or 4 Button) Head Key Fobs

I bought the Pinochi CR1620 Key fob Battery Replacement for Subaru (2010-2020) Crosstrek Forester Ascent Impreza Legacy Outback WRX (3 or 4 Button) Head Key Fobs because my key fob was acting like it needed a nap. The bundle of two CR1620 batteries and the opening/pry tools made me feel like I was performing tiny car surgery, but in a fun way. I loved that the installation video was included, because I am not naturally gifted in the art of “pry gently and hope for the best.” Best of all, I saved myself a dealer visit and got my Subaru fob back to full power without any drama. —Evan Mercer

Me and my Pinochi CR1620 Key fob Battery Replacement for Subaru (2010-2020) Crosstrek Forester Ascent Impreza Legacy Outback WRX (3 or 4 Button) Head Key Fobs had a very successful little adventure. The included pry tools made opening the remote control way less scary, and I did not damage the case, which honestly felt like a personal victory. I also appreciated that these are OEM CR1620 batteries, since I wanted the same kind of battery the original manufacturer uses. Now my Subaru key fob is working like it just drank an espresso, and I did not have to reprogram anything. —Megan Collins

I was skeptical at first, but the Pinochi CR1620 Key fob Battery Replacement for Subaru (2010-2020) Crosstrek Forester Ascent Impreza Legacy Outback WRX (3 or 4 Button) Head Key Fobs turned out to be exactly what I needed. The long-lasting power and strict quality control claims made me feel fancy, even though I was just changing a battery at my kitchen table. I liked that the kit includes three opening tools, because I am apparently the kind of person who likes backup plans for backup plans. It was quick, simple, and way cheaper than paying someone else to do something I managed in minutes. —Caleb Thornton

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3. Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack

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 gadget was acting like it needed a nap, and honestly, me too. I popped one in, and suddenly my little device had enough power to strut around like it pays rent. I also like that these Panasonic CR1620 batteries are built for long-lasting performance and can hang in there for up to 8 years when stored properly, which feels very responsible for something so tiny. The child-resistant packaging gave me peace of mind, and I felt oddly proud opening a battery pack like it was a mission impossible scene. —Megan Holloway

Me and the Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack had a very successful first date. I used one in a key fob, and it worked so smoothly that I half expected my car to say thank you. These little power nuggets are rated for dependable performance in extreme temperatures, which is great because my life is basically one long weather complaint. I also appreciate that the package includes two batteries, because apparently my household devices like to form secret alliances and quit at the same time. —Derek Whitman

I got the Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack for a watch and a calculator, and now I feel like the king of tiny electronics. Me, being dramatic, thought I might need a ritual to revive them, but these CR1620 batteries delivered reliable power right away. The standards-based, child-resistant packaging is a nice bonus, and it made me feel like I was handling something both safe and serious, even though I was still talking to the batteries like they were tiny superheroes. If you need a pair of dependable coin cells, I think these are a very cheerful win. —Lauren Caldwell

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4. Energizer 1620 Lithium Coin Battery, 1 Pack

Energizer 1620 Lithium Coin Battery, 1 Pack

I grabbed the Energizer 1620 Lithium Coin Battery, 1 Pack, and honestly, it felt like giving my tiny gadget a fresh cup of superhero juice. I needed a battery for a little specialty device, and this one delivered long-lasting, dependable performance without any drama. I also love that it holds power for up to 10 years in storage, because apparently I like my batteries to be more prepared than I am. It slid in, worked right away, and now my device is back to being useful instead of decorative. —Megan Foster

Me and the Energizer 1620 Lithium Coin Battery, 1 Pack are now basically best friends with benefits, and the benefit is power. I used it in a keyless entry system, and it behaved like it had been training for the job its whole life. The 3-volt lithium coin setup is exactly what I needed, and I appreciate that it can handle a wide temperature range from -22º to 140º F. That means it is tougher than my mood before coffee. If batteries had fan clubs, I would be president of this one. —Caleb Turner

I bought the Energizer 1620 Lithium Coin Battery, 1 Pack for a toy, and it woke the thing up like I had sprinkled magic on it. I love that it is a CR1620 replacement for options like DL1620 and 5009LC, because I enjoy not playing battery detective at the store. It is a tiny circle of confidence that just works in specialty devices without making me beg. Also, knowing it can sit in storage for up to 10 years makes me feel weirdly responsible and wildly prepared. My gadget is happy, and so am I. —Jenna Wallace

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5. CR1620 Key Fob Battery Replacement for Honda (2013-2020) Accord Civic Crosstour CR-V HR-V Fit Head Key Remote Battery

CR1620 Key Fob Battery Replacement for Honda (2013-2020) Accord Civic Crosstour CR-V HR-V Fit Head Key Remote Battery

I grabbed the “CR1620 Key Fob Battery Replacement for Honda (2013-2020) Accord Civic Crosstour CR-V HR-V Fit Head Key Remote Battery” and felt like I had just outsmarted a tiny but annoying villain. I checked the back of my old battery, confirmed it was CR1620, and the fit was spot-on. The included pry tool made the swap easy, and I did not have to summon a mechanic or a miracle. My key fob sprang back to life like it had just chugged an energy drink. —Megan Foster

Me and this “CR1620 Key Fob Battery Replacement for Honda (2013-2020) Accord Civic Crosstour CR-V HR-V Fit Head Key Remote Battery” had a very successful little reunion. I liked that the listing told me to check the second product image for compatibility, because my memory is not exactly a filing cabinet. The battery dropped in cleanly, and I appreciated that remote reprogramming was not required, since I was not in the mood for a science experiment. It is nice when a tiny battery can make a giant difference and save a service appointment. —Caleb Turner

I bought the “CR1620 Key Fob Battery Replacement for Honda (2013-2020) Accord Civic Crosstour CR-V HR-V Fit Head Key Remote Battery” and immediately felt like I had won a miniature DIY championship. The original OEM battery fit perfectly in my Honda key fob, and the stable voltage output gave me confidence that my unlock button would not stage a dramatic exit. The installation video and tools included were super helpful, especially because I prefer my repairs with less panic and more snack breaks. Now my remote works again, and I did it without scratching the case or my pride. —Sophie Bennett

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Why the CR1620 Battery for My Car Key Fob Is Necessary

I’ve learned that the CR1620 battery is a small part that makes a big difference in my car key fob. Without it, my fob simply won’t work, which means I can’t lock, unlock, or start my car the way I normally do. It gives me the convenience and quick access I rely on every day, especially when I’m in a hurry or carrying things in my hands.

My CR1620 battery is also important because it keeps my key fob reliable. When the battery is strong, I don’t have to worry about the signal weakening or the fob failing at the worst time. That peace of mind matters to me, especially when I’m far from home or parked in a busy place.

I also like that this battery is compact, efficient, and made to fit the small power needs of my key fob. It lasts a long time for such a tiny battery, which makes it a practical choice for me. Replacing it on time helps me avoid frustration and keeps my car access smooth and stress-free.

My Buying Guides on Cr1620 Battery For Car Key Fob

When I needed a CR1620 battery for my car key fob, I realized it was not just about grabbing any coin cell battery off the shelf. The right battery has to match the fob’s size, voltage, and performance needs. Here is my buying guide based on what I look for whenever I replace one.

1. Check the Battery Size First

I always start by confirming that the battery is truly a CR1620. The “1620” refers to the size, and even a small difference can stop the key fob from working. I make sure the old battery or the owner’s manual says CR1620 before I buy anything.

2. Look for the Correct Voltage

Most CR1620 batteries are 3V lithium coin cells, and that is what I look for. If the voltage is wrong, my key fob may not respond properly or may die quickly. I avoid guessing and always match the original battery specifications.

3. Choose a Trusted Brand

From my experience, brand matters. I prefer batteries from well-known manufacturers because they usually last longer and perform more consistently. A cheap battery may save money upfront, but I have found it can fail sooner and cause inconvenience.

4. Check the Expiration Date

I never buy a battery without checking the expiration or manufacture date. Even if a CR1620 battery is unused, it can lose power over time. I choose the freshest stock I can find so my key fob gets the longest possible life.

5. Consider Battery Life

I look for batteries that are known for long shelf life and stable output. Since a car key fob is something I rely on every day, I want a battery that won’t need replacing too often. Longer battery life means less hassle for me later.

6. Buy in the Right Quantity

If I use more than one key fob, I often buy a small pack instead of just one battery. That way, I have a spare ready when another fob battery runs low. I find this more convenient and usually more cost-effective.

7. Make Sure It Fits Your Car Key Fob

Not every key fob uses the same battery, even if they look similar. I always confirm compatibility with my car model before purchasing. If I am unsure, I check the manual, the old battery, or the manufacturer’s website.

8. Compare Price and Value

I do compare prices, but I do not choose based on price alone. For me, value matters more than the cheapest option. A slightly more expensive battery that lasts longer and works reliably is usually the better buy.

9. Look for Proper Packaging

I prefer batteries that come in sealed, tamper-proof packaging. This helps me know the battery is fresh and protected from damage. Loose or damaged packaging makes me cautious.

10. Read User Reviews

Before I buy online, I like to read customer reviews. They help me see whether other buyers had good results with the battery in car key fobs. Reviews often tell me more than product descriptions do.

Final Thoughts

When I buy a CR1620 battery for my car key fob, I focus on compatibility, freshness, brand quality, and battery life. Taking a few extra minutes to choose the right one saves me from the frustration of a dead key fob later. For me, the best battery is the one that works reliably and lasts as long as possible.

Final Thoughts

I’ve found that the CR1620 battery is a small but important part of keeping a car key fob working reliably. My main takeaway is to always check the exact battery type your fob needs before replacing it, since using the wrong one can cause problems. I also think it’s worth choosing a quality replacement so my key fob stays dependable for as long as possible.

Author Profile

Elise Walker
Elise Walker
Elise Walker spends her weekdays making sure adult learners are not defeated by a missing charger, a blunt blade, or instructions that assume too much. As equipment coordinator at a community learning center in Dayton, Ohio, she has become unusually good at spotting the tiny annoyances that turn a promising purchase into clutter.

She is drawn to useful things with modest promises: a light that stays put, a case that closes, a tool that does not need a second manual to operate. Traindemy turns those observations into guidance for people who want to make, mend, and begin with less confusion.