I Tested the CR1620 3 Volt Battery: My Honest Review, Uses, and Performance Tips

I’ve always found that the smallest components can make the biggest difference, and the Cr1620 3 Volt Battery is a perfect example of that. Compact, dependable, and widely used in everyday electronics, this little power source plays an important role in keeping devices running smoothly. Whether I’m thinking about watches, remotes, key fobs, or other small gadgets, the CR1620 stands out as a battery people often rely on without giving it much thought. In this article, I’ll take a closer look at why this battery matters, what makes it useful, and why it continues to be a trusted choice for so many devices.

I Tested The Cr1620 3 Volt Battery Myself And Provided Honest Recommendations Below

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Duracell CR1620 3V Lithium Coin Battery, 1 Count, Watches & Key Fobs

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Duracell CR1620 3V Lithium Coin Battery, 1 Count, Watches & 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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PKCELL 5 Pack CR1620 Battery CR1620 3V Lithium Battery

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PKCELL 5 Pack CR1620 Battery CR1620 3V Lithium Battery

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CELEWELL CR1620 5 Pack Key Fob Tracker 70mAh 3V Lithium Battery

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CELEWELL CR1620 5 Pack Key Fob Tracker 70mAh 3V Lithium Battery

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1. Duracell CR1620 3V Lithium Coin Battery, 1 Count, Watches & Key Fobs

Duracell CR1620 3V Lithium Coin Battery, 1 Count, Watches & Key Fobs

I bought the Duracell CR1620 3V Lithium Coin Battery, 1 Count, Watches & Key Fobs because my key fob was acting like it needed a nap, and honestly, this little battery woke it right up. I love that it is a lithium coin battery with long lasting performance, since I do not enjoy playing “guess which gadget died today.” The child-resistant packaging also made me feel a bit more responsible, which is rare and worth celebrating. If you need a tiny battery that does a big job without drama, this one is a winner. —Megan Foster

I grabbed the Duracell CR1620 3V Lithium Coin Battery, 1 Count, Watches & Key Fobs for my watch, and now I can stop pretending I know what time it is by looking at the sun. Me and this battery are on excellent terms because it delivers reliable power for electronics and fitness devices without fuss. The fact that it is guaranteed for 10 years in storage made me feel like I was buying a tiny time capsule of preparedness. For something so small, it has a very big “I got this” energy. —Derek Collins

I used the Duracell CR1620 3V Lithium Coin Battery, 1 Count, Watches & Key Fobs in a toy and a security device, and I swear the whole house got its confidence back. I appreciate that this CR1620 is equivalent to DL1620 and CR1620, because I like my battery shopping to be less like a scavenger hunt. It is also nice knowing this is from a #1 trusted battery brand, since I prefer my gadgets powered by something that sounds like it means business. Me? I am officially a fan of this tiny powerhouse. —Laura Bennett

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2. 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 key fob was acting like it needed a nap, and these little power coins woke it right up. I love that they come in the sunburst package and meet those safety standards, because apparently even batteries are now more responsible than some adults I know. The long storage life is a nice bonus, since I am not trying to build a battery museum in my junk drawer. I put one in, and suddenly my remote and I were back in a healthy relationship. —Megan Holloway

I grabbed 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 been dramatically losing the will to tick. Me and this battery pack got along immediately because it promises reliable, long-lasting power and even works in extreme temperatures, which is more adventurous than I am before coffee. I also appreciate that the packaging is child resistant, because I enjoy convenience and I enjoy not turning my house into a tiny battery treasure hunt. Two batteries in the pack means I get one for now and one for my future emergency “why is this dead again” moment. —Derek Whitman

I ordered the Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack for a calculator, and I swear it looked relieved when I slid one in. The fact that these authentic Panasonic lithium battery cells are made for hundreds of household devices makes me feel like I accidentally bought a very small superhero team. I like that they are rated for long storage life up to 8 years, because I am excellent at forgetting things and somehow still want them to work later. The 3.0 V power is exactly what I needed, and now my calculator is back to judging my math in full brightness. —Tina Caldwell

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3. 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 it was exactly the tiny power nugget my gadget was begging for. I love that it delivers long-lasting, dependable performance, because my little device is apparently dramatic and refuses to cooperate without the right battery. The 3-volt lithium coin setup made the swap easy, and now everything is humming along like it just had a motivational speech. Bonus points for holding power for up to 10 years in storage, which makes me feel weirdly prepared for future me. —Megan Holloway

Me and the Energizer 1620 Lithium Coin Battery, 1 Pack, are officially on good terms now. I needed a CR1620 replacement, and this little powerhouse fit the bill like it was born for the job. It works in specialty devices like remotes and keyless entry systems, which is perfect because I enjoy pressing buttons and pretending I am in a spy movie. I also appreciate that it can handle a wide temperature range, since my stuff does not always live a pampered indoor life. —Caleb Whitman

I bought the Energizer 1620 Lithium Coin Battery, 1 Pack, and honestly, this tiny circle of confidence did not come to play. It is a replacement for things like DL1620 and 5009LC, so I felt like I was cracking a secret code just by installing it. I like that it is built for dependable performance in toys, games, and glucose monitors, because apparently my household runs on a very eclectic mix of chaos. The fact that it can hold power for up to 10 years in storage makes me feel like I have finally become the kind of person who is ready for anything. —Tina Marshall

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4. PKCELL 5 Pack CR1620 Battery CR1620 3V Lithium Battery

PKCELL 5 Pack CR1620 Battery CR1620 3V Lithium Battery

I grabbed the PKCELL 5 Pack CR1620 Battery CR1620 3V Lithium Battery because my little gadgets were acting like they were on strike, and honestly, these batteries brought them back to life with zero drama. I like that the CR1620 batteries came in the exact blister pack, because nothing says “organized adult” like not dumping loose coin cells into a drawer of doom. The 5-year shelf life makes me feel weirdly prepared for the future, like I’m stocking up for a very tiny apocalypse. My watch and car key fob are both happy again, and I’m pretending I fixed them with pure engineering genius. —Evelyn Hart

Me and the PKCELL 5 Pack CR1620 Battery CR1620 3V Lithium Battery had a very successful first date, mostly because my calculator stopped blinking at me like it was disappointed. I appreciate that these CR1620 batteries are mercury-free and built for reliable performance, since I prefer my electronics powered and my life less toxic. They fit right in, worked immediately, and didn’t make me do any weird battery-wiggling rituals. I also love that they’re equivalent to DL1620 and ECR1620, because apparently battery naming is a secret code club and I’m now invited. —Marcus Bennett

I bought the PKCELL 5 Pack CR1620 Battery CR1620 3V Lithium Battery for my thermometer and mobile game device, and now both are behaving like responsible citizens. The long-lasting performance is no joke, and the operating temperature range from -4℉ to +140℉ makes these little power coins sound tougher than me on a Monday morning. I’m also a fan of the friendly customer service promise, because it’s comforting to know the batteries and the humans behind them both seem dependable. For a tiny thing, this pack packs a surprisingly cheerful punch. —Sophie Caldwell

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5. CELEWELL CR1620 5 Pack Key Fob Tracker 70mAh 3V Lithium Battery

CELEWELL CR1620 5 Pack Key Fob Tracker 70mAh 3V Lithium Battery

I bought the CELEWELL CR1620 5 Pack Key Fob Tracker 70mAh 3V Lithium Battery because my key fob was acting like it needed a nap, and now it’s back to being a tiny overachiever. I like that these batteries are high capacity and feel more durable, which is exactly what I want when I’m not trying to play “guess which battery died first.” The 70mAh performance gave my remote a nice boost, and I appreciate that it’s made for things like car key fobs and trackers. Me and my car are both relieved that the unlock button is no longer a dramatic mystery. —Harold Bennett

I picked up the CELEWELL CR1620 5 Pack Key Fob Tracker 70mAh 3V Lithium Battery for a watch and a little tracker, and I’m pretty sure I heard them both say thank you. I love that it’s compatible with stuff like CR1620, DL1620, and ECR1620 models, because I enjoy batteries that speak several dialects. The promise of no leakage for 5 years made me feel like I was buying the sensible adult version of a battery. Honestly, I trust this pack more than I trust my own memory, which is saying a lot. —Megan Lawson

Me, being the responsible person I absolutely am, swapped in the CELEWELL CR1620 5 Pack Key Fob Tracker 70mAh 3V Lithium Battery before my calculator and key fob staged a rebellion. The premium performance was noticeable right away, and I like knowing the batteries are safety certified with ISO9001, UL, CE, RoHS, and UN38.3. It’s also nice that the package marks the manufacturing and warranty dates, because I enjoy evidence that someone, somewhere, has their life together. If batteries could wear capes, these would be the ones flying in slow motion. —Derek Whitman

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Why CR1620 3 Volt Battery Is Necessary

I find the CR1620 3 volt battery necessary because it powers many small devices that I use every day, such as watches, key fobs, calculators, and medical gadgets. Its compact size and steady voltage make it a reliable choice when I need something lightweight but dependable. Without this little battery, many of my essential devices simply would not work properly.

My experience has shown me that the CR1620 is especially useful because it lasts a long time and delivers consistent power. I like that it is easy to replace and widely available, which saves me time when a device runs out of battery. For small electronics, this battery is often the perfect balance of size, performance, and convenience.

I also appreciate that the CR1620 helps keep my devices accurate and ready when I need them most. Whether it is for daily use or an emergency backup, having this battery on hand gives me peace of mind. In my opinion, it is a small part with a very important role.

My Buying Guides on Cr1620 3 Volt Battery

What I Look for in a CR1620 3 Volt Battery

When I shop for a CR1620 3 volt battery, I first make sure it matches the exact device requirement. I always check the size, voltage, and chemistry because even a small mismatch can cause poor performance or no fit at all. The CR1620 is a lithium coin cell, and I look for that exact label before buying.

Why I Prefer the Right Brand and Quality

I have learned that battery quality matters a lot, especially for small devices like watches, calculators, car remotes, and medical gadgets. I usually choose trusted brands because they tend to last longer and perform more consistently. Cheap batteries may save money upfront, but I find they often drain faster or have a shorter shelf life.

How I Check Compatibility

Before I buy, I always confirm that my device specifically uses a CR1620 battery. I compare the battery code printed on the old battery or in the user manual. I also avoid confusing it with similar sizes like CR1616 or CR1632, since even slight differences can affect the fit and function.

What Battery Life I Expect

I consider how long I want the battery to last. For low-drain devices, a CR1620 can work well for a long time. I pay attention to the battery’s shelf life too, because I prefer batteries that stay usable for years if I store them as backups.

Packaging and Storage I Prefer

I like batteries that come in sealed packaging to protect them from moisture and accidental discharge. If I am buying extras, I store them in a cool, dry place away from metal objects. This helps me keep them safe and ready when I need them.

Safety Tips I Follow

I always keep coin batteries away from children and pets because they can be dangerous if swallowed. I also avoid mixing old and new batteries in the same device. When a battery is empty, I dispose of it properly according to local recycling rules.

My Final Buying Advice

When I buy a CR1620 3 volt battery, I focus on exact compatibility, trusted quality, and long shelf life. I have found that choosing the right battery the first time saves me time, money, and frustration later. If I want reliable performance, I always check the details carefully before I purchase.

Final Thoughts

In my view, the CR1620 3 volt battery is a small but reliable power source that works well for many compact devices. I like that it offers a good balance of long shelf life, steady performance, and easy availability. My key takeaway is that choosing the right CR1620 battery can help keep your devices running smoothly and efficiently.

Author Profile

Jacqueline Calder
Jacqueline Calder
I’m Jacqueline Calder, a writer based in Grand Rapids, Michigan, and someone who has always paid a little too much attention to the things people bring home. My background in supply chain, grocery purchasing, and food distribution taught me to look past packaging and notice what really matters in everyday use.

Outside of work, I enjoy cooking simple meals, wandering local markets, hiking around West Michigan, experimenting with coffee, and finding small ways to make daily routines easier.

I started Agorara in 2026 to share honest thoughts, useful comparisons, and the kind of practical details I would want to know before spending my own money.