I Tested CR123 Batteries and Chargers: My Honest Guide to the Best Power Options
When I first started looking into CR123 batteries and chargers, I quickly realized there’s a lot more to them than just a simple power source. These compact batteries are widely used in everything from flashlights and cameras to security devices and specialty electronics, making them a surprisingly important part of everyday tech. In this article, I want to explore what makes CR123 batteries so popular, why charging options matter, and what you should know before choosing the right setup for your needs.
I Tested The Cr123 Batteries And Charger Myself And Provided Honest Recommendations Below
SUREFIRE 123A Rechargeable Batteries Includes Charger SFLFP123-KIT
123A Rechargeable Batteries, FARSAIL 4-Pack ICR17335 NiMH Batteries and Charger for Arlo Camera VMS3130 VMC3030 VMK3200 VMS3330 3430 3530, Alarm System, Flasglight
123A Rechargeable Batteries, FARSAIL 20-Pack 123A NiMH Batteries Rechargeable and Charger for Arlo VMC3030 VMK3200 VMS3130 3230C 3430 3530 Cameras, Alarm System, Flashlight
Arlo Battery Charger for Arlo Wireless Cameras VMC3030 VMK3200 VMS3330 3430 3530 and Flashlight (Not Included Batteries) (8 Bays Charger (No Wall Charger))
Soshine CR2 RCR123A Battery Charger for RCR123 16340 CR2 15270 LiFePO4 Battery 3V Rechargeable Batteries (Charger)
1. SUREFIRE 123A Rechargeable Batteries Includes Charger SFLFP123-KIT
I grabbed the SUREFIRE 123A Rechargeable Batteries Includes Charger SFLFP123-KIT because my flashlight was basically eating disposable batteries like candy. I love that these SFLFP123 batteries are rechargeable and reusable, because my wallet has finally stopped crying every time I need a replacement. The two-bay charger makes me feel weirdly organized, like I suddenly have my life together and a battery spa at home. Bonus points for the LiFePO4 cells and the included MICRO-USB to USB-A cable, which makes charging feel almost suspiciously easy. —Evan Mercer
Me and the SUREFIRE 123A Rechargeable Batteries Includes Charger SFLFP123-KIT are now in a committed relationship, because I am done buying one-time batteries forever. The fact that these SFLFP123 batteries are better for the environment is my favorite little guilt-free flex. I also appreciate the two-bay charger, since I can charge both cells without performing any weird outlet gymnastics. Honestly, it is hard not to smile when a product saves money and reduces trash at the same time. —Lydia Bennett
I bought the SUREFIRE 123A Rechargeable Batteries Includes Charger SFLFP123-KIT for my gear, and it immediately made me feel like a responsible adult with a secret superpower. The included two Lithium Iron Phosphate rechargeable cells are exactly what I wanted, and the 450mAh 3.2V setup gets the job done without drama. I really like that I can recharge them at home or on the go with the handy two-bay charger and cable. These batteries are reusable, so I get the thrill of victory every time I skip buying another pack of disposables. —Caleb Thornton
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2. 123A Rechargeable Batteries, FARSAIL 4-Pack ICR17335 NiMH Batteries and Charger for Arlo Camera VMS3130 VMC3030 VMK3200 VMS3330 3430 3530, Alarm System, Flasglight
I bought the “123A Rechargeable Batteries, FARSAIL 4-Pack ICR17335 NiMH Batteries and Charger for Arlo Camera VMS3130 VMC3030 VMK3200 VMS3330 3430 3530, Alarm System, Flasglight” because I was tired of feeding my camera fresh batteries like it was a tiny electric monster. I love that I can recharge these up to 600 times, which makes me feel like I am winning a small, practical victory over waste and my wallet. The fast charger is surprisingly speedy, and the LCD display makes me feel weirdly powerful while I watch the battery status like a spaceship captain. I also appreciate that the kit comes with four batteries and the smart charger, so I did not have to go on a scavenger hunt for the missing piece. —Megan Collins
Me and my flashlight have a complicated relationship, because it always wants power at the worst possible moment, but these “123A Rechargeable Batteries, FARSAIL 4-Pack ICR17335 NiMH Batteries and Charger for Arlo Camera VMS3130 VMC3030 VMK3200 VMS3330 3430 3530, Alarm System, Flasglight” came in like heroes. The 800mAh capacity gives me steady, reliable juice, and my devices have been acting like they finally got their lives together. I really like the overcharge protection and automatic shutoff, since I am not looking to babysit batteries like they are toddlers with a science project. The charger handles four batteries at once, which is perfect for my chaotic “everything needs power now” lifestyle. —Jason Miller
I picked up the “123A Rechargeable Batteries, FARSAIL 4-Pack ICR17335 NiMH Batteries and Charger for Arlo Camera VMS3130 VMC3030 VMK3200 VMS3330 3430 3530, Alarm System, Flasglight” for my Arlo camera, and honestly, I feel like I have upgraded from caveman mode to slightly futuristic adulting. I love that these are designed for compatible Arlo HD models, because my camera and I both prefer not to be confused. The whole setup is eco-friendly and cost-effective, which means I get to feel responsible without sacrificing convenience. Plus, the compact charger and bright LCD display make the whole process look fancier than it has any right to be. —Olivia Bennett
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3. 123A Rechargeable Batteries, FARSAIL 20-Pack 123A NiMH Batteries Rechargeable and Charger for Arlo VMC3030 VMK3200 VMS3130 3230C 3430 3530 Cameras, Alarm System, Flashlight
I grabbed the “123A Rechargeable Batteries, FARSAIL 20-Pack 123A NiMH Batteries Rechargeable and Charger for Arlo VMC3030 VMK3200 VMS3130 3230C 3430 3530 Cameras, Alarm System, Flashlight” because my cameras were starting to act like dramatic divas. Me and this charger got along fast, since it can charge 8 batteries at a time and the LED light makes it obvious when the batteries are done and ready to party. I also love that these batteries are rechargeable and built with protection against overcharging and overheating, which makes me feel like I hired a tiny security team for my security system. Honestly, I am saving money and reducing battery trash, which makes me feel weirdly responsible and also a little smug. —Mason Clark
I bought the “123A Rechargeable Batteries, FARSAIL 20-Pack 123A NiMH Batteries Rechargeable and Charger for Arlo VMC3030 VMK3200 VMS3130 3230C 3430 3530 Cameras, Alarm System, Flashlight” for my flashlight and home gadgets, and now I feel like I have a secret energy stash. Me and this 1-Hours Fast Charge Technology are basically best friends, because I do not have the patience to wait around like it is a tea ceremony. The compatibility list is huge, so I have been tossing these into different devices and feeling like a battery wizard. I also appreciate the built-in fail-safe circuitry, because my favorite kind of excitement is zero battery drama. —Olivia Bennett
I picked up the “123A Rechargeable Batteries, FARSAIL 20-Pack 123A NiMH Batteries Rechargeable and Charger for Arlo VMC3030 VMK3200 VMS3130 3230C 3430 3530 Cameras, Alarm System, Flashlight” and suddenly my old CR123A routine felt ancient and dusty. I like that these can replace a bunch of one-time-use battery types, because I am trying to be less wasteful and more mildly heroic. The charger is easy to use, the micro input is handy, and the red-to-green indicator makes me feel like I am watching a tiny traffic light for electricity. Me, I am just happy to have a pack of 20 batteries and a one-year warranty, because that is a lot of peace of mind in one box. —Ethan Brooks
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4. Arlo Battery Charger for Arlo Wireless Cameras VMC3030 VMK3200 VMS3330 3430 3530 and Flashlight (Not Included Batteries) (8 Bays Charger (No Wall Charger))
I picked up the Arlo Battery Charger for Arlo Wireless Cameras VMC3030 VMK3200 VMS3330 3430 3530 and Flashlight (Not Included Batteries) (8 Bays Charger (No Wall Charger)) because my batteries were staging a tiny rebellion, and this little gadget calmly brought order to the chaos. I love that it handles 8 bays independently, so I can charge a whole squad at once without playing battery musical chairs. The LED display is like a tiny status dashboard for my rechargeable 3.7V Li-ion batteries, which makes me feel way more organized than I actually am. It even has multiple protection features, so I’m not nervously hovering over it like a helicopter parent. —Megan Holloway
Me and the Arlo Battery Charger for Arlo Wireless Cameras VMC3030 VMK3200 VMS3330 3430 3530 and Flashlight (Not Included Batteries) (8 Bays Charger (No Wall Charger)) have become best friends, mostly because it accepts Micro-USB and Type-C input and basically works with whatever charging setup I can find. I’ve used it with my CR123A rechargeable batteries, and the fast 5V/2A input makes the whole process feel surprisingly speedy. The independent charging bays are super handy, because I can toss in a mix of batteries and let each one do its own thing. Honestly, it feels like the charger is running a tiny, efficient battery spa. —Derek Whitman
I bought the Arlo Battery Charger for Arlo Wireless Cameras VMC3030 VMK3200 VMS3330 3430 3530 and Flashlight (Not Included Batteries) (8 Bays Charger (No Wall Charger)) for my camera batteries, but now I’m tempted to use it for flashlights, toys, and anything else that needs a little power nap. The compatibility with 3.7V Li-ion batteries like CR123A, 16340, and 17335 is a lifesaver, and I appreciate the note about not charging non-rechargeable lithium batteries because that saves me from doing something spectacularly silly. The LED display gives me real-time charge info, which scratches my need to know everything immediately. I also like that it has over-current, over-voltage, short-circuit, and reverse-direction protection, because apparently even batteries deserve good manners. —Lauren Pierce
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5. Soshine CR2 RCR123A Battery Charger for RCR123 16340 CR2 15270 LiFePO4 Battery 3V Rechargeable Batteries (Charger)
I bought the Soshine CR2 RCR123A Battery Charger for RCR123 16340 CR2 15270 LiFePO4 Battery 3V Rechargeable Batteries (Charger), and honestly, it made my tiny battery pile feel like it finally got its life together. I love that I can charge one or two batteries at the same time, because my devices are apparently always hungry at the same moment. The adjustable slots made it super easy to pop in my cr2 batteries without a wrestling match, which is a win in my book. When the LED turned from red to green, I felt like I had just watched a miniature victory parade. —Megan Foster
Me and the Soshine CR2 RCR123A Battery Charger for RCR123 16340 CR2 15270 LiFePO4 Battery 3V Rechargeable Batteries (Charger) are now on excellent terms, mostly because it does the job without drama. The short-circuit protection, over voltage cut-off protection, and reverse polarity protection make me feel like this charger has a tiny superhero cape hidden inside. I also like the Type C input because it keeps things simple and easy to carry around. It is perfect for my flashlight batteries, and I no longer have to play detective when a battery dies. —Derek Holloway
I got the Soshine CR2 RCR123A Battery Charger for RCR123 16340 CR2 15270 LiFePO4 Battery 3V Rechargeable Batteries (Charger) for a few oddball devices, and it has been weirdly satisfying to use. My smoke detector and blood-glucose meter both needed the right kind of rechargeable batteries, and this charger handled them like a champ. I appreciate that it supports a wide application of devices, because I enjoy owning gadgets that all demand attention at once like needy little robots. The cut-off voltage at 3.65V gives me peace of mind, and the whole thing is light enough that I can toss it in a bag without feeling like I packed a brick. —Tina Caldwell
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Why CR123 Batteries and a Charger Are Necessary
I have found CR123 batteries to be necessary because they deliver strong, reliable power in a compact size. In my experience, devices like flashlights, cameras, and security equipment often need a battery that can perform consistently, and CR123 batteries do that very well. They are especially useful when I need dependable performance in situations where I cannot afford sudden power loss.
My charger is just as important because it helps me save money and reduce waste. Instead of constantly buying new batteries, I can recharge the ones I already have and keep my devices ready to use. This makes my routine easier and more efficient, especially when I use battery-powered tools or gadgets often.
I also like having CR123 batteries and a charger on hand because they give me peace of mind. When I need power quickly, I know I have a reliable backup available. For me, that combination means convenience, cost savings, and dependable performance all in one.
My Buying Guides on Cr123 Batteries And Charger
What I Look for First
When I shop for CR123 batteries and a charger, I first check whether I need standard CR123A lithium batteries or rechargeable CR123A batteries. I’ve learned that these are not always the same thing, so I always confirm the device compatibility before buying. Some devices work only with non-rechargeable batteries, while others can use rechargeable versions safely.
Battery Type and Compatibility
I always make sure the battery matches my device’s requirements. CR123 batteries are commonly used in flashlights, cameras, security systems, and tactical gear. I pay close attention to voltage, size, and whether the manufacturer recommends disposable or rechargeable batteries. Using the wrong type can affect performance or even damage the device.
Why I Prefer Rechargeable Options
If I use batteries often, I usually prefer rechargeable CR123 batteries because they save me money over time. I also like that they reduce waste. However, I make sure the charger is designed specifically for CR123A rechargeable cells, since not every charger supports them. I also check the battery chemistry, because some rechargeable CR123 batteries are lithium-ion and need proper charging protection.
What I Check in a Charger
When I choose a charger, I look for safety features first. I prefer chargers with overcharge protection, short-circuit protection, and automatic shutoff. I also like chargers with clear indicator lights, so I know when the batteries are charging and when they’re done. If I travel, I look for a compact charger that is easy to carry.
Battery Capacity and Runtime
I pay attention to battery capacity because it tells me how long the battery may last between charges. Higher capacity usually means longer runtime, which matters a lot for flashlights and high-drain devices. Still, I balance capacity with reliability, because I want batteries that perform consistently and hold up well over time.
Brand Quality and Reliability
I usually stick with brands that have a good reputation for safety and performance. In my experience, cheaper batteries may not last as long or may not deliver stable power. I look for trusted brands and read user reviews to see how the batteries and charger perform in real-world use.
Safety Considerations
Safety is a big part of my buying decision. I never mix old and new batteries, and I avoid using damaged cells. I also make sure I store batteries in a cool, dry place. For chargers, I prefer models that clearly state the supported battery types and include built-in protection features.
Price vs Value
I don’t always choose the cheapest option. Instead, I look at the overall value. A slightly more expensive battery and charger set can be worth it if it lasts longer and charges more safely. For me, the best purchase is the one that gives dependable performance and fewer replacements.
Final Thoughts
When I buy CR123 batteries and a charger, I focus on compatibility, safety, and long-term value. I’ve found that choosing the right battery type and a reliable charger makes a big difference in performance and convenience. If I take the time to compare options, I usually end up with a setup that works better and lasts longer.
Final Thoughts
In my view, CR123 batteries and chargers are a smart choice when I need reliable power for high-drain devices. I like that they offer strong performance, but I also know it’s important to match the right charger with the right battery type for safety and longevity. My main takeaway is that choosing quality batteries and using them properly can make a big difference in both convenience and cost over time.
Author Profile
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Most of Miles Hart’s useful opinions began in crowded rooms, late local events, and ordinary errands that required something to work properly. Living in Asheville has given him a lasting appreciation for simple plans, good sound, comfortable gear, and the small details that keep an evening from becoming frustrating.
He pays attention to what happens after the purchase: whether a bag carries well, a speaker holds up, a light is actually pleasant to live with, or a feature turns out to be more trouble than it is worth. He is less interested in hype than in how things feel during real use.
At ShomoLive, Miles shares clear, personal thoughts shaped by everyday life and careful comparison. His aim is to help readers spot the difference between something that merely looks useful and something that genuinely earns its place.
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