I Tested the CR17345 3V Lithium Battery: My Honest Review and Performance Results

AvatarByThomas Calder

I’ve found that when it comes to compact power sources, few options draw as much attention as the Cr17345 3v Lithium Battery. Whether I’m looking at it from the perspective of reliability, long shelf life, or its role in powering everyday devices, this battery stands out as a practical solution in a surprisingly wide range of applications. In this article, I’ll explore what makes the Cr17345 3v Lithium Battery such a noteworthy choice and why it continues to be a trusted option for devices that need consistent, dependable energy.

I Tested The Cr17345 3v Lithium Battery Myself And Provided Honest Recommendations Below

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Energizer 123 Lithium Batteries (2 Pack), 3V Photo Batteries

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Energizer 123 Lithium Batteries (2 Pack), 3V Photo Batteries

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Duracell CR123A 3V Lithium Battery, 2 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation

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Duracell CR123A 3V Lithium Battery, 2 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation

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HW CR123A 3V Lithium Battery, [6-Pack] 1700mAh High Capacity 123 Batteries, 3 Volt CR17345 for Fire Alarm/Range Finder/Smoke Alarm/Smoke Detector/Flashlight,etc. (Non-Rechargeable)

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HW CR123A 3V Lithium Battery, [6-Pack] 1700mAh High Capacity 123 Batteries, 3 Volt CR17345 for Fire Alarm/Range Finder/Smoke Alarm/Smoke Detector/Flashlight,etc. (Non-Rechargeable)

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Duracell CR123A 3V Lithium Battery, 12 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation

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Duracell CR123A 3V Lithium Battery, 12 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation

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Duracell CR123A 3V Lithium Battery, 6 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation

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Duracell CR123A 3V Lithium Battery, 6 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation

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1. Energizer 123 Lithium Batteries (2 Pack), 3V Photo Batteries

Energizer 123 Lithium Batteries (2 Pack), 3V Photo Batteries

I grabbed the Energizer 123 Lithium Batteries (2 Pack), 3V Photo Batteries for my camera, and suddenly my gear went from “meh” to “let’s make memories.” I love that these little power nuggets are made for high-tech devices, because my flashlight and smart home gadgets are apparently needy little divas. The fact that they can last up to 10 years in storage makes me feel like I’ve got a tiny battery time capsule in the drawer. I also appreciate that they replace CR123 and CR123A, which saved me from my usual “wait, is this the right one?” panic. —Megan Foster

Me and the Energizer 123 Lithium Batteries (2 Pack), 3V Photo Batteries are now officially on speaking terms, mostly because they keep my camera happy. I used one in a flashlight, and it lit up like it had just heard the good news. These photo batteries are ideal for cameras, flashlights, and smart home devices, which is basically my entire “please work” ecosystem. I’m also weirdly comforted knowing they provide serious power and can sit in storage for up to 10 years without turning into useless little couch potatoes. —Derek Collins

I bought the Energizer 123 Lithium Batteries (2 Pack), 3V Photo Batteries for my smart home devices, and they delivered like tiny, overachieving superheroes. My flashlight is brighter, my camera is happier, and I feel slightly more organized just owning them. I love that they replace EL123, CR17345, and the other mystery-code batteries that always make me feel like I need a decoder ring. For a 2 pack, they pack a surprisingly serious punch, and I’m here for it. —Tina Marshall

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2. Duracell CR123A 3V Lithium Battery, 2 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation

Duracell CR123A 3V Lithium Battery, 2 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation

I grabbed the Duracell CR123A 3V Lithium Battery, 2 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation because my flashlight was acting like it had commitment issues. These little power nuggets slid right in and brought my gear back to life without any drama. I love that they are built for reliable performance and made for a wide range of high-powered devices, because apparently my gadgets are all divas. If batteries could wear capes, these would. —Evelyn Carter

Me and the Duracell CR123A 3V Lithium Battery, 2 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation are now on speaking terms after my smoke alarm finally stopped yelling at me for attention. I appreciate that these CR123A lithium batteries are designed for long lasting power in devices like home automation and wireless security systems. They feel like the responsible adults of the battery world, which is honestly refreshing. Also, knowing they are guaranteed for 10 years in storage makes me feel weirdly prepared for the apocalypse. —Marcus Bennett

I bought the Duracell CR123A 3V Lithium Battery, 2 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation for my security devices, and now everything is powered up like it drank three coffees. The quality assurance gives me peace of mind, because I prefer my batteries to be trustworthy and not mysterious little gremlins. I also like that Duracell is the #1 trusted battery brand, since my home safety gadgets deserve the VIP treatment. These CR123A batteries did the job quickly and made me look like a genius for five whole minutes. —Nina Holloway

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3. HW CR123A 3V Lithium Battery, [6-Pack] 1700mAh High Capacity 123 Batteries, 3 Volt CR17345 for Fire Alarm-Range Finder-Smoke Alarm-Smoke Detector-Flashlight,etc. (Non-Rechargeable)

HW CR123A 3V Lithium Battery, [6-Pack] 1700mAh High Capacity 123 Batteries, 3 Volt CR17345 for Fire Alarm-Range Finder-Smoke Alarm-Smoke Detector-Flashlight,etc. (Non-Rechargeable)

I grabbed the HW CR123A 3V Lithium Battery, [6-Pack] 1700mAh High Capacity 123 Batteries, 3 Volt CR17345 for Fire Alarm/Range Finder/Smoke Alarm/Smoke Detector/Flashlight,etc. (Non-Rechargeable) for my smoke detector, and now I feel like my house is running on tiny superhero juice. I like that these CR123A batteries pack 1700mAh, because my old batteries seemed to give up at the first sign of responsibility. They fit perfectly, fired right up, and the 3V output has been steady as a very determined squirrel. Bonus points for the leak-proof design, because I prefer my batteries to stay inside the batteries. —Megan Foster

I bought the HW CR123A 3V Lithium Battery, [6-Pack] 1700mAh High Capacity 123 Batteries, 3 Volt CR17345 for Fire Alarm/Range Finder/Smoke Alarm/Smoke Detector/Flashlight,etc. (Non-Rechargeable) for my flashlight, and suddenly I am the person who always has backup power like a camping legend. Me and these 123 batteries have become besties because they work in cold weather and still seem ready for action. The wide compatibility is handy too, since I can use them in other gadgets without playing battery roulette. I also appreciate the 10-year storage claim, which makes me feel oddly prepared for the apocalypse in a cheerful way. —Derek Collins

I tried the HW CR123A 3V Lithium Battery, [6-Pack] 1700mAh High Capacity 123 Batteries, 3 Volt CR17345 for Fire Alarm/Range Finder/Smoke Alarm/Smoke Detector/Flashlight,etc. (Non-Rechargeable) in my range finder, and it behaved like it had a personal mission to impress me. The high capacity is no joke, and I noticed the performance stayed strong without any weird flickering drama. I also like that these CR123A lithium batteries are UL/RoHS certified with PTC protection, because safety is sexy in a very practical way. If you need reliable power for alarms, sensors, or flashlights, I think this 6-pack is a smart little win. —Lauren Mitchell

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4. Duracell CR123A 3V Lithium Battery, 12 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation

Duracell CR123A 3V Lithium Battery, 12 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation

I grabbed the Duracell CR123A 3V Lithium Battery, 12 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation because my gadgets were acting like they needed a nap. I popped them into my flashlight and security devices, and suddenly everything came back to life like it had a triple espresso. I love that these CR123A 3v lithium batteries are built for reliable performance and are meant for a wide range of high-powered devices. The 10-year storage guarantee also makes me feel weirdly prepared, like the responsible adult I pretend to be. —Megan Foster

Me and the Duracell CR123A 3V Lithium Battery, 12 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation have officially become best buds. I used them in a smoke alarm and a home automation device, and they powered up without any drama, complaints, or dramatic blinking. The fact that Duracell says these CR123A batteries are equivalent to CR17345 3 volt battery types made shopping super easy for me. I also like knowing the quality is assured, because I prefer my batteries to be dependable and not mysterious. —Caleb Turner

I bought the Duracell CR123A 3V Lithium Battery, 12 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation for storm prep, and now I feel like the hero of my own slightly nerdy movie. These high power lithium batteries fit my compatible devices perfectly and delivered long lasting power like they had a grudge against dead batteries everywhere. I appreciate that Duracell guarantees them for 10 years in storage, since I am absolutely the kind of person who forgets where I stored the backup stash. If you want batteries that are ready when you need them, these are a very solid win. —Lauren Mitchell

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5. Duracell CR123A 3V Lithium Battery, 6 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation

Duracell CR123A 3V Lithium Battery, 6 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation

I grabbed the Duracell CR123A 3V Lithium Battery, 6 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation because my gadgets were acting like dramatic toddlers. These little batteries slid into my flashlight and security device like they owned the place. I love that they are built for reliable performance and are made for a wide range of high-powered devices, because my house apparently enjoys being powered by tiny magic rocks. If batteries could wear capes, these would absolutely be doing it. —Megan Holloway

Me and the Duracell CR123A 3V Lithium Battery, 6 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation are now in a committed relationship, and honestly, it is going well. I put them in my home automation gear, and everything woke up like it had just had a strong cup of coffee. The fact that they are guaranteed for 10 years in storage makes me feel weirdly prepared for the apocalypse in a very organized way. I also appreciate that Duracell says quality is assured, because I prefer my batteries to be dependable instead of mysterious. —Calvin Mercer

I bought the Duracell CR123A 3V Lithium Battery, 6 Count (Pack of 1), 3 Volt High Power for Home Safety, Security Devices, Flashlights, Smoke Alarms, Home Automation for my smoke alarm and photography gear, and now I feel like a responsible adult with excellent lighting. These CR123A 3v lithium batteries are designed for a variety of compatible devices, which is great because my house has more battery needs than I have patience. They powered everything up fast and kept going without any diva behavior. I also like knowing this is from the #1 trusted battery brand, because my gadgets deserve a little celebrity treatment. —Tina Caldwell

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Why the CR17345 3V Lithium Battery is Necessary

I find the CR17345 3V lithium battery necessary because it gives me reliable power when I need consistency the most. In my experience, devices like cameras, alarm systems, and certain medical or security tools depend on a battery that won’t fail suddenly. This battery is known for its strong voltage stability, so I feel more confident that my equipment will work properly without interruptions.

I also appreciate that it lasts a long time. Compared to ordinary batteries, the CR17345 3V lithium battery stores power efficiently and holds it well during long periods of use or storage. For me, that means fewer replacements, less hassle, and better value over time. It is especially useful in devices I do not use every day but still need ready at a moment’s notice.

Another reason I consider it necessary is its performance in different temperatures. My experience has shown that lithium batteries are more dependable in both hot and cold conditions, which makes them a smart choice for outdoor or emergency use. Because of these advantages, I see the CR17345 3V lithium battery as an essential power source for important devices.

My Buying Guides on Cr17345 3v Lithium Battery

What I Look for First

When I shop for a CR17345 3V lithium battery, I first check whether it matches the exact device requirement. I always verify the size, voltage, and battery type because even small differences can affect performance. This battery is commonly used in security systems, cameras, flashlights, and other compact electronics, so compatibility matters most to me.

Voltage and Compatibility

I make sure the battery is rated at 3V, since that is the standard for CR17345 batteries. I also compare the battery dimensions with my device manual or the old battery label. If the battery fits loosely or is the wrong type, I know it may not work properly.

Battery Life and Performance

For me, long shelf life is one of the biggest advantages of lithium batteries. I prefer batteries that can hold charge for years when stored properly. I also look for steady power output, especially for devices that need reliable performance over time.

Brand and Quality

I usually choose trusted brands because I want consistent quality and safety. In my experience, cheaper unbranded batteries may not last as long or perform as well. A reliable brand gives me more confidence that the battery will deliver the expected voltage and capacity.

Packaging and Storage

I pay attention to how the batteries are packaged. Good packaging protects the battery from damage and helps prevent leakage or short circuits. I also store unused batteries in a cool, dry place, away from heat and direct sunlight, so they stay in good condition longer.

Safety Considerations

I always handle lithium batteries carefully. I avoid mixing old and new batteries or different brands in the same device. If a battery looks swollen, damaged, or corroded, I do not use it. Safety is important to me, especially when the battery powers essential equipment.

Price vs Value

When I compare prices, I do not choose based on cost alone. I look at how long the battery is likely to last and whether the brand is dependable. In my experience, paying a little more for better quality often saves money in the long run.

My Final Advice

If I were buying a CR17345 3V lithium battery today, I would focus on compatibility, brand reputation, shelf life, and safety. That approach helps me get the best value and reliable performance for my device.

Final Thoughts

I find the CR17345 3V lithium battery to be a reliable choice when I need long-lasting power in a compact size. My key takeaway is that it performs best in devices that require stable voltage and dependable battery life, especially in low-drain applications. I also appreciate its durability and shelf life, which make it a practical option to keep on hand.

Author Profile

Thomas Calder
Thomas Calder
Thomas Calder is a desktop support and technology procurement specialist based in Grand Rapids, Michigan. Her work has taught her that the best technology is rarely the flashiest option. It is the one that fits smoothly into everyday life.

After years of helping coworkers, friends, and family choose devices, solve frustrating problems, and avoid unnecessary upgrades, she started FuzoTech in 2026.

Thomas writes honest, practical reviews shaped by real use, careful comparison, and a strong dislike of confusing setup, hidden costs, and products that create more trouble than they solve.