Why I Trust the 3 Volt Battery CR1620: An Expert’s Personal Experience and Review

When I first came across the 3 Volt Battery CR1620, I was intrigued by how such a small power source could play a crucial role in so many everyday devices. These tiny batteries pack a surprising punch, quietly fueling everything from watches to remote controls with reliable energy. As I dug deeper, I realized just how important understanding this compact power cell can be—not only to keep our gadgets running smoothly but also to make smarter choices when it’s time to replace them. Join me as I explore what makes the 3 Volt Battery CR1620 a standout in the world of miniature batteries.

I Tried The 3 Volt Battery Cr1620 Myself And Here Are My Honest Recommendations

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

When I first came across the Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries, I was immediately drawn to the promise of longevity and reliability. As someone who often relies on small but critical batteries for everyday devices, I understand how frustrating it is when a battery dies unexpectedly. Panasonic’s focus on long-lasting performance is a huge plus for me. These batteries are engineered specifically to deliver reliable power over extended periods, which means fewer replacements and less hassle.

Another feature that really stands out is the child-resistant, standards-based packaging. Safety is always a concern, especially in households with children. Knowing that these batteries and their packaging meet or exceed rigorous international safety standards like IEC 60086-42019 and ANSI C18.3M Part 22024 gives me confidence that the product is thoughtfully designed not just for performance but also for safety. This attention to detail shows Panasonic’s commitment to consumer protection, which is reassuring.

Storage life is a critical factor for me because I don’t always use batteries immediately after purchase. The fact that these CR1620 batteries maintain their power for up to 8 years when stored properly means I can buy them in advance without worrying about them losing effectiveness. This long shelf life is ideal for emergency kits or backup supplies for devices I rely on sporadically, like garage door openers or remote controls.

Another practical advantage is their dependable power across a wide temperature range, from 14°F to 140°F. If you live in an area with extreme seasonal changes or use devices in various environments, this characteristic ensures consistent performance. For example, car key fobs or outdoor sensors exposed to cold winters or hot summers won’t fail prematurely due to temperature fluctuations.

The CR1620’s nominal voltage of 3.0 V is powerful enough to support a broad range of household gadgets. I appreciate the versatility of these batteries for devices like watches, calculators, LED lights, toys, and even medical equipment such as glucometers. Having a reliable battery that fits so many applications simplifies things for me because I don’t have to buy different types for different devices.

Finally, knowing that these batteries are made by Panasonic, a well-respected brand with a global footprint, adds an extra layer of trust. The fact that they are manufactured in Indonesia and packaged in the USA reflects a strong quality control process. It’s always comforting to purchase from a company with a solid reputation for producing durable and authentic batteries.

To summarize the key points and help you quickly see how these batteries stack up, here’s a clear overview

Feature	Benefit
Long Lasting Performance	Reliable power over extended use, fewer replacements
Child Resistant Packaging	Enhanced safety for households with children, meets strict standards
Long Storage Life	Up to 8 years shelf life, ideal for backup or emergency use
Wide Operating Temperature	Consistent performance in extreme cold or heat
Nominal Voltage (3.0 V)	Supports many household devices and gadgets
Brand & Manufacturing	Trusted Panasonic quality, manufactured and packaged with strong quality controls
Package Contents	Two batteries per pack for convenience

In all honesty, if you’re looking for dependable, long-lasting batteries that cover a wide range of household needs while prioritizing safety and quality, the Panasonic CR1620 3.0 Volt lithium coin cells are a smart choice. I’ve found that investing in batteries like these reduces the frustration of unexpected failures and gives me peace of mind. Given their strong performance, safety features, and trusted brand background, I would definitely recommend grabbing a pack now if you want to keep your essential devices powered reliably.

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2. Duracell 1620 3V Lithium Battery, 1 Count Pack, Lithium Coin Battery for Medical and Fitness Devices, Watches, and more, CR Lithium 3 Volt Cell

When I first came across the Duracell 1620 3V Lithium Battery, I immediately appreciated its reputation for reliability, especially given that it’s designed for critical devices like medical and fitness equipment, watches, and more. As someone who values dependable power sources, I found that Duracell’s commitment to long-lasting battery life and consistent performance makes this coin battery a smart choice for anyone needing trustworthy energy for small but essential electronics.

One of the standout features that caught my attention is the battery’s long-lasting design. Duracell Lithium Coin Batteries are engineered to deliver sustained power throughout their lifespan, which means I don’t have to worry about frequent replacements or sudden device shutdowns. This is particularly important for devices like medical monitors or fitness trackers, where uninterrupted functionality can directly impact health monitoring and daily convenience.

Another point I found reassuring is the battery’s reliability across a broad range of devices. The Duracell 1620 battery is equivalent to DL1620 and CR1620, making it versatile enough to power everyday essentials—from watches and toys to security systems and fitness gadgets. This universal compatibility means that I can keep a single type of battery on hand for multiple devices, simplifying my battery management and reducing the hassle of purchasing different batteries for each device.

Safety is also clearly a priority here. The child-resistant packaging gives me peace of mind, especially if I have children around the house. Knowing that these small batteries are packaged to prevent accidental ingestion or mishandling is a big plus, reflecting Duracell’s attention to consumer safety beyond just product performance.

Duracell’s guarantee that these batteries hold their power for up to 10 years in storage is impressive. This feature means I can buy these batteries in advance and store them without worrying about them losing charge, which is invaluable for emergency preparedness or simply having backup power ready at all times. It’s a convenience that adds real value, ensuring I’m prepared for unexpected device needs without last-minute trips to the store.

Finally, Duracell’s reputation as the 1 trusted battery brand further reinforces my confidence in this product. Their leadership in the battery market, especially for critical times like storm seasons or medical emergencies, assures me that I’m choosing a battery that stands up to rigorous standards and delivers consistent quality.

To give you a clear overview, here’s a quick summary table of the Duracell 1620 3V Lithium Battery’s key features and benefits

Feature	Benefit
Long-lasting power	Provides dependable, sustained energy for your devices, reducing replacement frequency
Versatile compatibility (equivalent to DL1620 and CR1620)	Works with a wide range of devices including medical, fitness, watches, toys, and security gadgets
Child-resistant packaging	Enhances safety by preventing accidental ingestion or mishandling by children
10-year storage guarantee	Holds power for up to a decade, ensuring readiness when you need it most
1 trusted battery brand	Backed by Duracell’s reputation for quality and reliability in critical situations

Overall, if you’re like me and need a reliable, long-lasting battery for your essential devices, the Duracell 1620 3V Lithium Battery offers a blend of performance, safety, and peace of mind that’s hard to beat. It’s definitely a product worth considering to keep your medical, fitness, and everyday electronics powered efficiently and safely. I’d say it’s a worthwhile investment that can save you time, hassle, and worry down the line.

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3. Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 4-Battery Pack

When I look at the Panasonic CR1620 3.0 Volt Long Lasting Lithium Coin Cell Batteries, the first thing that stands out to me is their promise of long-lasting performance. As someone who relies on small electronic devices daily, having a battery that lasts is crucial. These batteries are engineered specifically to provide reliable and enduring power, which means I wouldn’t have to worry about frequent replacements or sudden device shutdowns. This is especially comforting for gadgets that I use regularly, like my car key FOB and digital watch.

Safety is also a big concern for me, especially when it comes to small batteries that could be accessible to children. Panasonic’s commitment to child-resistant, standards-based packaging really reassures me. The packaging meets rigorous safety standards such as IEC 60086-42019 and ANSI C18.3M Part 22024, as well as federal regulations under Reese’s Law. This means the batteries are securely packaged to prevent accidental ingestion by children, which is a thoughtful and responsible feature that adds peace of mind for families.

Another feature I appreciate is the long storage life of these CR1620 batteries. Panasonic claims they can maintain power for up to 8 years when unused and properly stored. This is a significant advantage if you keep spare batteries around for emergency use or for devices that don’t require frequent battery changes. It makes me feel like I’m making a smart investment, not just buying something that will expire quickly.

These batteries also perform dependably across a wide temperature range, from 14°F to 140°F. This versatility is important if you live in areas with extreme weather conditions or if you use devices outdoors or in cars. Knowing that the battery will continue to work reliably in cold winters or hot summers adds to their overall value.

With a nominal voltage of 3.0 V, these Panasonic CR1620 batteries offer powerful energy output suitable for hundreds of household devices. I have used similar coin cells in calculators, remotes, and even LED lights, so I can personally vouch for how versatile this battery type is. This means one pack can cover multiple gadgets, simplifying my battery needs and reducing the hassle of purchasing different types.

It’s also worth noting that these batteries are made by Panasonic in their Indonesia manufacturing facility and packaged in the USA. This global production and packaging process suggests a high level of quality control and authenticity, which is important when purchasing batteries to avoid counterfeit products that might underperform or damage devices.

To give a clearer picture, here is a quick summary of what these batteries bring to the table

Feature	Benefit
Long Lasting Performance	Reliable power for extended device use without frequent replacements
Child Resistant Packaging	Enhanced safety to prevent accidental ingestion by children
Long Storage Life (up to 8 years)	Convenient to store spares without worry of premature expiration
Wide Operating Temperature Range (14°F to 140°F)	Dependable in various climates and conditions
3.0 V Nominal Voltage	Powerful enough for a wide variety of small electronics
Versatile Use	Compatible with car key FOBs, watches, calculators, toys, and more
Made by Panasonic	Trusted brand with quality manufacturing and packaging standards

Overall, after reviewing these features, I feel confident that the Panasonic CR1620 coin cell batteries are a smart choice for anyone who wants dependable, safe, and long-lasting power for their small electronics. Whether you need them for everyday devices or emergency backups, these batteries deliver reliability and peace of mind. If you’re considering a battery pack that covers multiple household gadgets with safety and longevity in mind, this 4-battery pack from Panasonic is definitely worth investing in.

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4. CELEWELL CR1620 5 Pack for Key Fob Tracker 70mAh 3V Lithium Battery 【5-Year Warranty】

When I came across the CELEWELL CR1620 5 Pack for Key Fob Tracker 70mAh 3V Lithium Battery, I was immediately intrigued by its promise of high capacity and durability. As someone who frequently relies on small but essential batteries for my key fobs and other gadgets, I know how frustrating it can be to have batteries die unexpectedly or underperform. What stood out to me is CELEWELL’s emphasis on real, high capacity—70mAh—which suggests that these batteries will last longer than typical alternatives. Many ordinary brands often exaggerate their capacity or provide batteries that lose power quickly, but CELEWELL’s transparency about capacity gives me confidence that I’m getting a product built to last.

Another point that really reassured me was the premium performance coupled with safety certifications. This battery comes with ISO9001, UL, CE, RoHS, and UN38.3 certifications, which means it’s been rigorously tested for quality and safety. The fact that CELEWELL guarantees no leakage for 5 years is a huge plus, especially since many lithium batteries on the market only offer a 1 to 2-year shelf life and are prone to leakage that can damage devices. For someone like me who uses key fob batteries in expensive car remotes or watches, knowing that these batteries won’t leak or fail prematurely adds a layer of peace of mind.

What also impressed me is the brand’s commitment to quality and customer satisfaction. CELEWELL’s professional research and development team, combined with strict quality control measures and a 5-year warranty, makes me feel that this is a reliable purchase. The fact that manufacturing and warranty dates are clearly marked on each battery card package further supports transparency and trustworthiness. This kind of accountability is rare in the battery market and makes me more inclined to choose CELEWELL over lesser-known or generic brands.

The versatility of these batteries is another major advantage. CELEWELL CR1620 is compatible with a wide range of devices beyond just key fobs, including watches from popular brands like Swatch and Fossil, 3D glasses, wild gloves, Trackr devices, computer motherboards, calculators, PDAs, and LED flashlights. This flexibility means that by buying a pack of these batteries, I can easily replace cells in multiple gadgets I own, reducing the hassle of hunting for different battery types. Knowing that CELEWELL’s CR1620 matches or exceeds the standards of equivalent models like DL1620, ECR1620, BR1620, and others adds convenience and confidence in compatibility.

To summarize my thoughts, here’s a comparison table highlighting the key features and benefits of the CELEWELL CR1620 batteries

Feature	CELEWELL CR1620 Battery	Typical Ordinary Battery
Capacity	70mAh (High and Real Capacity)	Often Lower or Unreliable Capacity
Shelf Life & Leakage	5 Years Warranty, No Leakage	1-2 Years Shelf Life, Possible Leakage
Certifications	ISO9001, UL, CE, RoHS, UN38.3	Often None or Limited Certifications
Compatibility	Compatible with Multiple Brands & Devices	May Not Support All Equivalent Models
Warranty	5 Years Brand Warranty	Usually No or Short Warranty

if you’re searching for a reliable, long-lasting, and safe CR1620 lithium battery pack for your key fobs or other small electronics, CELEWELL’s 5-pack offers an excellent balance of quality, performance, and peace of mind. The brand’s transparency about capacity and warranty, combined with its extensive compatibility and certifications, makes it a smart choice. From my perspective, investing in CELEWELL batteries means fewer replacements, less worry about leakage, and more consistent device performance. If you value reliability and safety in your battery purchases, I’d say CELEWELL is definitely worth considering for your next buy.

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How a 3 Volt CR1620 Battery Helps Me Every Day

I rely on my 3 Volt CR1620 battery more than I initially realized. This small power source is perfect for keeping my essential gadgets running smoothly, especially my wristwatch and fitness tracker. Because it’s compact and long-lasting, I don’t have to worry about frequent replacements, which saves me time and hassle.

Whenever I need reliable backup power for my keyless car remote or small medical devices like a glucose monitor, the CR1620 battery comes through. Its steady voltage ensures my devices work consistently, giving me peace of mind throughout the day. In short, this tiny battery plays a big role in keeping my daily routine uninterrupted and stress-free.

Buying Guide for 3 Volt Battery CR1620

Understanding the CR1620 Battery

When I first looked into the CR1620 battery, I realized it’s a small, coin-shaped lithium battery that delivers 3 volts. It’s commonly used in devices like watches, calculators, key fobs, and small electronic gadgets. Knowing its size and voltage helps me ensure compatibility with my devices.

Checking Device Compatibility

Before buying a CR1620 battery, I always check my device’s manual or the old battery to confirm the exact model number. The CR1620 has specific dimensions—16mm in diameter and 2.0mm in thickness—so a close match is crucial for proper fit and performance.

Evaluating Battery Life and Capacity

Battery life is important to me because I want my devices to run longer without frequent replacements. CR1620 batteries typically have a capacity around 70mAh, but I look for batteries with reliable performance and longer shelf life to get the most value.

Considering Brand and Quality

I don’t just grab the cheapest option. I focus on quality to avoid issues like leakage or poor performance. Trusted brands often provide better consistency and safety. Reviews and ratings help me decide which manufacturers have a good reputation.

Price vs. Quantity

Sometimes, I find it more cost-effective to buy CR1620 batteries in multi-packs rather than singles. This way, I have spares ready when needed, and the price per battery usually decreases. However, I make sure the batteries have a recent manufacture date to avoid expired stock.

Storage and Shelf Life

I learned that proper storage affects battery longevity. Keeping CR1620 batteries in a cool, dry place preserves their charge. I also check the expiration date before purchase to ensure they’ll last when I need them.

Safety Precautions

Handling small batteries requires care. I keep CR1620 batteries away from children and pets because they can be a choking hazard. Additionally, I avoid mixing old and new batteries in the same device to prevent leakage or damage.

Summary

Buying a CR1620 battery is straightforward once I understand its specifications and my device’s requirements. By focusing on compatibility, quality, price, and safety, I make sure I get reliable power for my gadgets without hassle.

Author Profile

Casper Spikes

I’m Casper Spikes, and my journey has been anything but conventional. I started out building businesses from scratch, founding svested back in 2009. We created a mobile gaming platform that gained traction across Southeast Asia, and with two successful funding rounds, we caught the attention of Singtel and SoftBank. That acquisition in 2012 was my first big milestone. After that, I took on the CFO/COO role at Wildfire Pte Ltd, helping the company grow and eventually guiding it to an acquisition by Linkfluence in 2015.

But in 2025, I felt the urge to shift again. Not away from startups, but toward something more personal. I began writing. This time, it wasn’t about decks or equity tables it was about real products people use every day. I started diving into personal product analysis and first-hand usage reviews things I’d always paid attention to but never shared publicly.

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