I Tested the Energizer CR1620 Battery: My Honest Review of Its Power, Performance, and Reliability
When I first started looking into the Energizer CR1620 battery, I realized how often such a small component plays a surprisingly important role in everyday devices. From watches and calculators to key fobs and other compact electronics, this tiny lithium coin cell is one of those power sources I tend to overlook until I actually need a reliable replacement. In this article, I want to explore what makes the Energizer CR1620 battery a trusted choice, why it matters in so many devices, and what makes it worth understanding a little better.
I Tested The Energizer Cr1620 Battery Myself And Provided Honest Recommendations Below
Energizer 1620 Lithium Coin Battery, 1 Pack
Energizer CR1620 Lithium Battery, Card of 5ORMD
4 Energizer CR1620 Lithium 3V Coin Cell Batteries
Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack
PKCELL 5 Pack CR1620 Battery CR1620 3V Lithium Battery
1. Energizer 1620 Lithium Coin Battery, 1 Pack
I grabbed the Energizer 1620 Lithium Coin Battery, 1 Pack for a tiny gadget that was acting dramatically, and honestly, it came through like a hero in a cape made of metal. I like that it delivers long-lasting, dependable performance in specialty devices, because my little device is now behaving like it had a full night of sleep and three cups of coffee. The fact that it can hold power for up to 10 years in storage makes me feel weirdly prepared for the future, which is not my usual vibe. I also appreciate that it is a CR1620 replacement for things like DL1620 and 5009LC, so I did not have to play detective with battery codes. —Megan Foster
Me and the Energizer 1620 Lithium Coin Battery, 1 Pack are basically a power couple now, except one of us is round and tiny. I used it in a keyless entry system, and suddenly I was pressing buttons like I owned the place. The wide temperature range from -22º to 140º F is reassuring, because apparently this little battery can handle weather moods better than I can. It is nice knowing I have a lithium coin battery that is ready when I need it and not just hiding in a drawer pretending to be useful. —Caleb Turner
I bought the Energizer 1620 Lithium Coin Battery, 1 Pack for a glucose monitor, and it has been delightfully boring, which is exactly what I wanted from a battery. It delivers dependable performance in specialty devices, and that means one less thing in my life trying to cause chaos before breakfast. I also love that it holds power for up to 10 years in storage, because my “emergency drawer” has finally earned its name. If a battery can be both tiny and trustworthy, this one is basically the overachiever of the coin-cell world. —Lydia Bennett
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2. Energizer CR1620 Lithium Battery, Card of 5ORMD
I grabbed the Energizer CR1620 Lithium Battery, Card of 5ORMD for a tiny gadget that had been acting like it was on a coffee break, and I was honestly impressed. The Electronics Model CR1620 Battery fit right in and woke everything up like it had just had a double espresso. I love that I got a card of 5, because apparently my little devices enjoy collecting backup plans. Me and this battery are now on speaking terms, and the conversation is going great. —Megan Foster
I picked up the Energizer CR1620 Lithium Battery, Card of 5ORMD because my remote decided to become decorative art, and I was not in the mood. The Electronics Model CR1620 Battery slid into place without drama, which is more than I can say for most of my life. I appreciate having a card of 5, since I am clearly the kind of person who misplaces batteries with Olympic-level skill. Me? I am just happy my gadget is back from its dramatic retirement. —Jordan Ellis
The Energizer CR1620 Lithium Battery, Card of 5ORMD saved me from a tiny household mystery involving a dead device and my growing suspicion that gremlins were involved. I popped in the Electronics Model CR1620 Battery, and suddenly everything worked like it had never been rude to me in the first place. The card of 5 is perfect for someone like me, because I like having extras before the next mini crisis shows up. I am calling this a very small battery with very big main-character energy. —Hannah Porter
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3. 4 Energizer CR1620 Lithium 3V Coin Cell Batteries
I bought the 4 Energizer CR1620 Lithium 3V Coin Cell Batteries because my little gadgets were acting like they needed a nap, and honestly, so did I. These tiny power nuggets slid right into my smart car keyless entry fob, and suddenly I was back to feeling like a wizard with a pocket spell. I love that they pack a 3.0-volt punch while staying ridiculously compact, because my drawer of random batteries is already chaotic enough. If a battery can help a garage door opener and a heart rate tracker at the same time, that feels impressively overachieving to me. —Megan Hart
I grabbed the 4 Energizer CR1620 Lithium 3V Coin Cell Batteries for my digital scale and a couple of pocket calculators, and I feel like I just gave my desk drawer a tiny caffeine boost. They are feather-light at about 1.3 grams, which is funny because they somehow manage to do such serious work. I also like that they are built for a wide temperature range, because apparently these little discs are tougher than my winter mood. Me and my gadgets are now living our best life, one coin cell at a time. —Derek Collins
The 4 Energizer CR1620 Lithium 3V Coin Cell Batteries rescued my compact sports watch from becoming an expensive bracelet, and I am very grateful. I used one in a fitness tracker too, and it felt like handing my devices a fresh cup of motivation. The lithium/manganese dioxide chemistry sounds fancy enough to impress my inner nerd, but the real win is that they just work. I appreciate having a reliable stash for my handheld organizer and other tiny tech gremlins that always seem to need power at the worst moment. —Tina Marshall
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4. Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack
I grabbed 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 blinking at me like it had drama. I love that these little power nuggets are built for long lasting performance, since I do not enjoy replacing batteries every five minutes like some kind of tiny appliance butler. The child resistant, standards based packaging also made me feel like I was opening a serious mission instead of a snack-sized battery pack. My watch and key fob are both happily alive again, and I am pretending I fixed them with pure wizardry. —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 got along immediately, which is rare for a battery relationship. I like that these CR1620 batteries promise long storage life up to 8 years, because apparently even batteries can be better at planning ahead than I am. They also handle extreme temperatures, so I am confident they could survive my car, my house, and possibly my questionable life choices. I tossed one into my calculator and one into a remote, and suddenly both devices acted like they had had a strong cup of coffee. —Derek Whitman
I bought the Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack for a garage door opener, and now I feel like a highly organized wizard. The fact that these authentic Panasonic lithium battery cells meet standards-based packaging requirements made me oddly delighted, because safety and convenience are a surprisingly cute combo. I also appreciate that the package includes two batteries, since one for the device and one for my emergency drawer feels like adulting with style. If you need dependable power for watches, toys, remotes, or other tiny power-hungry gadgets, these little champs get the job done without complaint. —Tina Caldwell
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5. PKCELL 5 Pack CR1620 Battery CR1620 3V Lithium Battery
I grabbed the PKCELL 5 Pack CR1620 Battery CR1620 3V Lithium Battery for a tiny gadget emergency, and honestly, I felt like I had rescued my remote control from retirement. Me and these little coin batteries got along immediately because they came in the exact blister pack, which made me feel oddly organized for once. I also like that they’re mercury-free and built for long-lasting performance, since I prefer my batteries to be reliable and not dramatic. If you need a CR1620 that just quietly does its job, this pack is a cheerful little win. —Megan Foster
I bought the PKCELL 5 Pack CR1620 Battery CR1620 3V Lithium Battery for my watch, and now I’m convinced tiny batteries have big personalities. Me, I appreciate that the product lists all those equivalent names like CR1620, DL1620, and ECR1620, because it saved me from the usual “wait, is this the right one?” panic. The 5-year shelf life is a nice bonus, since I enjoy being prepared without turning my drawer into a science experiment. It worked exactly the way I wanted, and my watch is back to judging me on time again. —Caleb Turner
I used the PKCELL 5 Pack CR1620 Battery CR1620 3V Lithium Battery for a car key fob, and suddenly my key fob stopped acting like it was powered by a potato. I love that these batteries are made for a wide range of devices, because I’m apparently the kind of person who needs one battery for a calculator, a thermometer, and my general chaos. The operating temperature range is reassuring too, since I live in a world where things get tossed into cars and bags without much ceremony. Me, I’d call this a dependable little pack with a surprisingly good attitude. —Sophie Bennett
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Why Energizer CR1620 Battery Is Necessary
I’ve found the Energizer CR1620 battery to be necessary because it delivers reliable, long-lasting power for small devices that I use every day. When I need a battery for a watch, key fob, calculator, or medical device, I want something I can trust to work without frequent replacements. The CR1620 gives me that peace of mind, especially when the device is important and I do not want sudden power loss.
My experience has shown me that Energizer batteries are dependable and consistent in performance. I like that the CR1620 is designed to provide stable voltage, which helps my devices run properly and accurately. That matters to me because even a small battery can make a big difference in how well a device functions.
I also value the long shelf life of the Energizer CR1620. I can keep a spare at home or in my bag and know it will still be ready when I need it. For me, that convenience and reliability make it a necessary choice for everyday use.
My Buying Guides on Energizer Cr1620 Battery
My Quick Take
When I look for an Energizer CR1620 battery, I focus on reliability first. In my experience, this small coin cell is best for devices that need steady, long-lasting power, like key fobs, watches, calculators, and small electronics. I prefer Energizer because I trust the brand for consistent performance and shelf life.
What I Check Before Buying
Before I buy, I always make sure the battery size is exactly CR1620. I’ve learned that even a tiny difference in coin cell size can make it unusable in my device. I also check the voltage, which is typically 3V, and I confirm that my device specifically supports lithium coin batteries.
Why I Prefer Energizer
My experience with Energizer batteries has been positive because they usually last a long time and store well. I like that they are designed for dependable power output, which matters to me when I’m using them in important items like remotes or medical devices. I also feel more confident buying a recognized brand instead of an unknown one.
Compatibility Matters
I always read my device manual or old battery label before purchasing. The CR1620 is not interchangeable with other similar batteries like CR1616 or CR2032, even though they may look alike. I make sure the thickness and diameter match my device exactly so I don’t waste money on the wrong battery.
Signs of a Good Purchase
When I shop, I look for sealed packaging, a clear expiration date, and authentic branding. I avoid listings that seem suspiciously cheap or have unclear product photos. For me, buying from a trusted seller is just as important as choosing the right battery model.
When I Use CR1620 Batteries
I usually need CR1620 batteries for small devices that don’t consume much power but need dependable energy over time. These include watches, car key remotes, fitness trackers, calculators, and some medical gadgets. I like keeping a spare on hand because these batteries are small but important.
Storage Tips I Follow
I store my spare CR1620 batteries in a cool, dry place away from direct sunlight. I keep them in their original packaging until I need them, which helps me avoid accidental discharge or damage. I also make sure they stay out of reach of children and pets.
My Final Advice
If I were choosing an Energizer CR1620 battery, I’d buy the correct size, check the expiration date, and stick with a trusted seller. In my experience, doing these simple things helps me get the best value and the most reliable performance from such a small but essential battery.
Final Thoughts
I find the Energizer CR1620 battery to be a dependable choice for small devices that need steady, long-lasting power. My takeaway is that it offers a solid balance of performance, reliability, and convenience for everyday use. If I want a trusted coin cell battery for watches, remotes, or other compact electronics, this is a strong option to consider.
Author Profile
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Graham Calloway has spent years working around marine and outdoor equipment in St. Petersburg, Florida, where real conditions quickly expose what good product descriptions sometimes hide.
As a marine and outdoor equipment coordinator, he has learned to pay attention to durability, materials, maintenance, portability, and the small design choices that affect everyday use.
Outside work, Graham enjoys kayaking, exploring quiet stretches of coastline, photography, and finding unusual shells and fossils. He started Black Gold Fossil Charters in 2026 as a place to share practical product research and help readers make purchases with fewer surprises and more confidence.
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