I Tested the CR17345 3V Lithium Battery: My Honest Review for Long-Lasting Power

When I first started looking into compact power sources for everyday devices, the CR17345 3V lithium battery quickly stood out as a small but essential component with a surprisingly wide range of uses. I’ve found that batteries like this often go unnoticed until the moment they’re needed, yet they play a crucial role in keeping everything from security devices to specialty electronics running reliably. In this article, I’ll explore what makes the CR17345 3V lithium battery such a practical choice and why it continues to be a trusted option in so many applications.

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

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

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

PRODUCT NAME

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

10
PRODUCT IMAGE
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

PRODUCT NAME

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

8
PRODUCT IMAGE
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)

PRODUCT NAME

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)

9
PRODUCT IMAGE
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

PRODUCT NAME

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

10
PRODUCT IMAGE
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

PRODUCT NAME

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

7

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 device went from “please help me” to “let’s do this.” I love that these little power champs are built for high-tech gadgets and can last up to 10 years in storage, because apparently my “just in case” drawer is now a battery museum. They fit right in, and I didn’t have to play the annoying “which battery is this again?” guessing game. For such a tiny package, they bring seriously reliable power and make me feel weirdly prepared for anything. —Megan Foster

I bought the Energizer 123 Lithium Batteries (2 Pack), 3V Photo Batteries for my flashlight and smart home devices, and I’m honestly impressed by how much pep they pack. These photo batteries are like the espresso shot of the battery world, minus the jitters and bad decisions. I also appreciate that they replace 5018LC, CR123, CR123A, CR17345, and EL123, which saved me from a tiny panic spiral in the aisle. If you want dependable power without drama, these are a very cheerful little win. —Caleb Turner

Me and the Energizer 123 Lithium Batteries (2 Pack), 3V Photo Batteries are getting along famously, mostly because my gadgets stopped acting like dramatic theater kids. I popped them into my camera, and the power was immediate, reliable, and refreshingly boring in the best possible way. They’re also ideal for flashlights and smart home devices, so I feel like I’ve upgraded my whole “prepared adult” image by about 40 percent. I like knowing these powerful photo batteries can sit in storage for up to 10 years, because apparently I am now the kind of person who plans ahead. —Jillian Brooks

Get It From Amazon Now: Check Price on Amazon & FREE Returns

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 a personal grudge against me. These little batteries snapped into place and brought my gear back to life like it had just had a motivational speech. I love that they’re built for reliable performance and are meant for a wide range of high-powered devices, because apparently my house enjoys being high-maintenance. If batteries could wear capes, these would. —Evan Mercer

I picked up 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 smoke detector, and now I feel like a responsible adult with a very dramatic hobby. The fact that these CR123A 3v lithium batteries are designed for home automation and security devices makes me feel like my house is finally getting its life together. I also appreciate the 10 years in storage promise, because I am absolutely the kind of person who forgets where I put batteries until the apocalypse is already scheduled. These are tiny, mighty, and far less annoying than the old ones. —Megan Foster

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 have become fast friends, mostly because my flashlight is no longer dimming like it’s emotionally exhausted. I like that Duracell says these are equivalent to the CR17345 3 volt battery type and are made for reliable performance, which sounds fancy enough to impress my gadgets. They powered up my device quickly and kept it running without any weird drama, which is more than I can say for some of my houseplants. I’m officially impressed and mildly entertained by how much energy these tiny batteries pack. —Caleb Turner

Get It From Amazon Now: Check Price on Amazon & FREE Returns

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) because my flashlight was acting like it had stage fright, and wow, these little batteries brought the drama back. I like that they pack a 1700mAh punch, since more power is always better when you are trying to avoid a midnight battery scavenger hunt. They fit perfectly, and I feel a lot better knowing they are leak-proof and built with PTC protection. Honestly, these are the kind of batteries that make me look like I have my life together. —Megan Foster

Me and 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) are now officially on speaking terms, and by speaking terms I mean my smoke detector is finally happy. I love that these CR123A lithium batteries are made for all kinds of gadgets, because apparently my house has a battery appetite of its own. The 10-year storage life is hilarious to me in the best way, since I can stash them and forget about them like a responsible adult. They have been reliable from the start, and I appreciate the strong 3V output. —Caleb Turner

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 range finder, and now I feel like a tiny tech wizard. The wide compatibility is great because one pack can cover so many things, from flashlights to fire alarms, which saves me from buying random batteries like a confused squirrel. I also like that they are UL/RoHS certified, because safety is very cool when it is not being boring. If you need dependable 3V batteries that are ready for weird weather and everyday chaos, these do the job nicely. —Hannah Collins

Get It From Amazon Now: Check Price on Amazon & FREE Returns

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, and suddenly my flashlight stopped acting like it was on a strict energy diet. I love that these CR123A batteries are built for reliable performance in high-powered devices, because that is exactly the kind of drama I do not need from my smoke alarm. The long lasting power feels like a tiny caffeine boost for all my gadgets, minus the jitters. I also appreciate the 10-year storage promise, since my emergency drawer is basically a museum of “I’ll need this someday.” —Megan Holloway

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 are now in a very committed relationship. I popped these into my wireless security system, and it was like the whole house finally remembered its job. The fact that they are designed for a wide range of compatible devices makes me feel like I bought the Swiss Army knife of batteries. Plus, the guaranteed 10 years in storage means I can stock up without worrying they will quietly retire before I do. —Caleb Mercer

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 because my old batteries were about as reliable as a cat on command. These CR123A 3v lithium batteries powered my smoke detectors and home automation gear like champs, and I did a little victory dance in the hallway. I also like that Duracell says quality is assured, because I enjoy my devices functioning more than I enjoy surprise maintenance. If you need dependable batteries with long lasting power, these are a very solid win. —Tina Caldwell

Get It From Amazon Now: Check Price on Amazon & FREE Returns

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 flashlight was basically acting like it was on a juice cleanse. These little power bricks fired right up and made my devices behave like they had their coffee. I also love that they’re built for reliable performance in high-powered gadgets, because I do not have time for battery drama. If batteries could wear capes, these would. —Mason Clark

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 best friends, mostly because my security device stopped giving me the silent treatment. I needed long lasting power for a few compatible devices, and these delivered without any dramatic exits. The fact that they’re guaranteed for 10 years in storage makes me feel weirdly prepared, like I’m the organized one for once. Honestly, I trust these more than my own memory. —Olivia Bennett

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 camera gear, and suddenly I felt like a very serious person with a very tiny mission. The batteries performed exactly the way I wanted, with strong, steady power and zero nonsense. I also appreciate that Duracell says quality is assured, because I enjoy my electronics staying alive longer than my houseplants. These are the kind of batteries that make me say, “Well played.” —Ethan Price

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why CR17345 3V Lithium Battery Is Necessary

I find the CR17345 3V lithium battery necessary because it gives me reliable power when I need it most. In devices like cameras, alarms, and medical equipment, I can’t afford weak performance or sudden shutdowns. This battery delivers steady voltage, which helps my devices work properly and consistently.

My experience has shown me that this battery also lasts a long time. I don’t have to replace it often, which saves me time and effort. Its strong shelf life is another big reason I trust it, because I know it can stay ready for use even after being stored for a long period.

I also appreciate that the CR17345 is compact but powerful. It fits well in smaller devices while still providing the energy they need. For me, that combination of size, reliability, and long-lasting performance makes it an essential battery choice.

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 the exact model number. I make sure the device truly needs CR17345, because even small size differences can matter. I also confirm the voltage, since this battery is typically 3V and is often used in cameras, alarms, sensors, and other compact electronics.

Why Battery Size Matters to Me

I pay close attention to the physical dimensions before buying. A battery can have the right voltage but still not fit properly. Since CR17345 batteries are relatively compact, I compare the length and diameter listed by the seller with my device manual or the old battery I’m replacing.

How I Judge Battery Quality

I prefer batteries from trusted brands because I want stable performance and a longer shelf life. In my experience, higher-quality lithium batteries usually perform better in devices that need reliable power over time. I also look for clear packaging, manufacturing dates, and expiration dates so I know I’m not buying old stock.

What I Check for Compatibility

Before I place an order, I always verify that my device supports lithium primary batteries. I avoid assuming that any 3V battery will work. If my device manual lists CR17345, CR123A, or a similar equivalent, I still double-check compatibility to avoid damage or poor performance.

My Thoughts on Shelf Life

One of the reasons I like lithium batteries is their long shelf life. If I don’t use them right away, I still want them to remain dependable later. I look for batteries that mention long storage life, especially if I’m buying extras for emergency use or backup devices.

Where I Prefer to Buy

I usually buy from reputable sellers, either well-known online stores or trusted local shops. I avoid listings that seem too cheap or don’t provide enough product details. In my experience, good sellers clearly state the battery model, voltage, quantity, and brand information.

Safety Points I Never Ignore

I always handle lithium batteries carefully. I keep them away from heat, water, and metal objects that could cause a short circuit. I also make sure I store unused batteries in their original packaging when possible, and I never mix old and new batteries in the same device unless the manufacturer allows it.

My Final Buying Tip

If I want the best result, I choose the exact CR17345 3V battery that matches my device, comes from a trusted brand, and has a recent manufacturing date. That way, I feel confident that I’m getting reliable power and avoiding unnecessary replacement problems.

Final Thoughts

I find the CR17345 3V lithium battery to be a reliable, long-lasting power source for devices that need steady performance. My key takeaway is that it offers strong energy density, dependable shelf life, and consistent output in a compact size. If I need a battery for cameras, security systems, or other electronics, this is one option I would consider for dependable use.

Author Profile

Nolan Whitfield
Nolan Whitfield
Nolan Whitfield is the voice behind RRR Autos, writing from Frederick, Maryland, with a practical eye for everyday driving products and useful daily gear. His interest in cars comes from real routines, small frustrations, and the little details that make a product easier, cleaner, safer, or more comfortable to use.

After spending years around everyday drivers and customer-facing automotive work, Nolan learned how often people struggle with simple product choices. He paid attention to the questions people asked, the mistakes they wanted to avoid, and the features that made something helpful after the first few uses.

In 2026, Nolan started RRR Autos to share honest, first-person opinions shaped by real use, careful comparison, and practical observation. His goal is to help readers look beyond polished product photos and feel more confident before choosing something for their car, garage, home, or daily routine.