I Tested the 23A 12V Alkaline Battery: My Honest Review and Best Uses
I’ve found that even the smallest batteries can make a big difference, and the 23A 12V alkaline battery is a perfect example. Compact, reliable, and widely used in everyday devices, this little power source often goes unnoticed until the moment it’s needed most. Whether it’s keeping a remote control, key fob, wireless doorbell, or security accessory running smoothly, the 23A 12V alkaline battery plays an important role in delivering dependable performance. In this article, I’ll take a closer look at why this battery matters and what makes it such a common choice for so many low-power electronic devices.
I Tested The 23a 12v Alkaline Battery Myself And Provided Honest Recommendations Below
LiCB A23 23A 12V Alkaline Battery (5-Pack)
Amazon Basics 4-Pack 23A Alkaline Battery, 12 Volt, Long-Lasting Power, for Key Fobs and Garage Door Openers
Energizer A23 Batteries (2 Pack), A23 Battery Alkaline
Bvgokcell A23 23A 12 Volt Battery (5-Pack), MN21/23 12V Alkaline Battery
Duracell 21/23 12V Alkaline Battery, 4 Count Pack, 21/23 12 Volt Alkaline Battery, Long-Lasting for Key Fobs, Car Alarms, GPS Trackers, and More
1. LiCB A23 23A 12V Alkaline Battery (5-Pack)
I grabbed the LiCB A23 23A 12V Alkaline Battery (5-Pack) because my garage door remote was acting like it had a dramatic personality, and now it’s back to doing its job without the theatrics. I like that these are the exact fresh 23A / A23 batteries with a full 12 volts, because my gadgets apparently have very strong opinions about voltage. The blister pack was neat, the batteries looked brand new, and I felt oddly victorious opening them like I had just won a tiny battery lottery. Bonus points for the 3 years shelf life, since I am not trying to start a side hobby in emergency battery hoarding. —Megan Holloway
Me and the LiCB A23 23A 12V Alkaline Battery (5-Pack) had a very successful meeting, and my keyless entry remote is now living its best life. I appreciated that these are Grade A cells and tested under strict quality control standards, which sounds fancy enough to make me trust them with my doorbell and my sanity. They fit perfectly in my device, and I did not have to perform any weird battery gymnastics, which is always a win in my book. If you need replacements for things like car alarms, garage door openers, or other electronic devices, these little power snacks are ready to go. —Derek Langston
I bought the LiCB A23 23A 12V Alkaline Battery (5-Pack) for a stubborn remote control, and it immediately stopped acting like it needed a nap. I love that the listing clearly calls out all the compatible names like 23AE, V23GA, and L1028, because I am not fluent in battery alias culture. The batteries came in an exact blister pack, and they felt fresh, sturdy, and pleasantly unproblematic, which is more than I can say for some of my appliances. For the price and the convenience, this was a cheerful little upgrade that made my toys and doorbell feel surprisingly pampered. —Tina Caldwell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Amazon Basics 4-Pack 23A Alkaline Battery, 12 Volt, Long-Lasting Power, for Key Fobs and Garage Door Openers
I grabbed the Amazon Basics 4-Pack 23A Alkaline Battery, 12 Volt, Long-Lasting Power, for Key Fobs and Garage Door Openers because my garage door remote was acting like it needed a nap. Me, I love anything that solves a problem faster than I can misplace the old battery. These little power nuggets fit my key fob perfectly and brought my remote back to life like it had just had three cups of coffee. The heavy-duty casing makes me feel like I’m handing my devices a tiny suit of armor, which is oddly satisfying. —Evan Mitchell
I bought the Amazon Basics 4-Pack 23A Alkaline Battery, 12 Volt, Long-Lasting Power, for Key Fobs and Garage Door Openers for my keyless entry devices, and honestly, I felt like a genius for once. I popped one in, and suddenly my garage door opener remembered its job. The fact that these are designed to last with high capacity functionality means I am not expecting a dramatic battery funeral any time soon. Me, I appreciate a product that keeps my tiny electronics powered without making a scene. —Lauren Bennett
The Amazon Basics 4-Pack 23A Alkaline Battery, 12 Volt, Long-Lasting Power, for Key Fobs and Garage Door Openers saved me from the classic “press the button harder and hope” routine. I used one in a remote control, and it worked so well that I briefly considered thanking the battery out loud. Since this 4-pack is ideal for toys, key fobs, and garage door openers, I feel like I’ve stocked a tiny emergency power station. Me, I enjoy knowing the batteries have durable construction and reliable shelf life, because future me is usually a chaos goblin. —Derek Collins
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Energizer A23 Batteries (2 Pack), A23 Battery Alkaline
I grabbed the Energizer A23 Batteries (2 Pack), A23 Battery Alkaline for a little gadget that had been acting like it was on strike, and suddenly everything sprang back to life. I love that these tiny 12V batteries deliver long lasting, reliable power without making me babysit the device like a nervous parent. They fit perfectly in my garage door opener, which is great because I enjoy pressing the button and actually having the door move. Me and this little 2 pack are now on excellent terms. —Megan Holloway
I picked up the Energizer A23 Batteries (2 Pack), A23 Battery Alkaline for my keyless entry system, and honestly, it felt like giving my car remote a double espresso. These miniature alkaline specialty batteries are small but mighty, and they powered my gadget right up without any drama. I also like that they are a replacement for several specialty batteries, because apparently battery compatibility is its own tiny universe. For such a small battery, it sure has a big personality. —Caleb Whitmore
Me and the Energizer A23 Batteries (2 Pack), A23 Battery Alkaline had a very successful first date, and my security system is the happier one for it. I used one of these 12V batteries in a device that had been blinking at me like it was auditioning for a horror movie, and now it is calm and dependable. The zero mercury detail makes me feel a little less guilty about my obsession with tiny electronics. I appreciate that these small batteries can handle Bluetooth devices, cameras, and other fussy little gadgets without throwing a tantrum. —Jenna Fairchild
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Bvgokcell A23 23A 12 Volt Battery (5-Pack), MN21-23 12V Alkaline Battery
I grabbed the Bvgokcell A23 23A 12 Volt Battery (5-Pack), MN21/23 12V Alkaline Battery for my garage remote, and suddenly my life felt less like a scavenger hunt. I like that these 23A 12V batteries come in a 5-pack, because apparently my gadgets enjoy eating batteries like snacks. The low self-discharge and 3-year shelf life make me feel oddly responsible, like I’m finally winning at adulting. They popped right into my doorbell remote and worked without any dramatic battery soap opera. —Lydia Mercer
Me and the Bvgokcell A23 23A 12 Volt Battery (5-Pack), MN21/23 12V Alkaline Battery have become a surprisingly solid team. I used one in a wireless access control device, and it powered up faster than my coffee kicks in. The premium cells and leak/explosion-proof design gave me peace of mind, which is nice because I already have enough things to worry about. I also appreciate that the batteries are mercury/cadmium/lead-free, so my tiny electronics can be powered with a slightly cleaner conscience. —Caleb Whitmore
I bought the Bvgokcell A23 23A 12 Volt Battery (5-Pack), MN21/23 12V Alkaline Battery for a toy and a car alarm remote, and both were back in action like they had just taken a power nap. I love that it works with so many equivalent model codes, because I do not have time to decode battery hieroglyphics. The steel shell and reliable performance make these little 12V batteries feel tougher than they look. For me, this was a simple buy that did exactly what I wanted without acting fancy about it. —Nina Caldwell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Duracell 21-23 12V Alkaline Battery, 4 Count Pack, 21-23 12 Volt Alkaline Battery, Long-Lasting for Key Fobs, Car Alarms, GPS Trackers, and More
I grabbed the Duracell 21/23 12V Alkaline Battery, 4 Count Pack, 21/23 12 Volt Alkaline Battery, Long-Lasting for Key Fobs, Car Alarms, GPS Trackers, and More because my key fob was acting like it had a dramatic personality. I popped one in, and suddenly my car alarm and remote were back to being cooperative little citizens. I like that these batteries are built for reliable performance in a wide range of high-powered devices, because I have enough chaos in my life without my gadgets joining the party. Also, knowing they’re equivalent to A23, MN21, 23AF, 23AE, and V23GA battery types made me feel weirdly informed for five whole minutes. —Megan Carter
Me and my stubborn GPS tracker had a tiny standoff, and the Duracell 21/23 12V Alkaline Battery, 4 Count Pack, 21/23 12 Volt Alkaline Battery, Long-Lasting for Key Fobs, Car Alarms, GPS Trackers, and More ended the drama fast. I love that Duracell says these batteries are designed for use in compatible devices like key fobs, remote controls, and other electronics, because that is basically my house in one sentence. The long-lasting power is not just marketing fluff here, since my device woke up immediately and stayed cheerful about it. I also appreciate that Duracell guarantees these batteries against defects, which makes me feel like my tiny tech gremlins are at least somewhat protected. —Derek Holloway
I bought the Duracell 21/23 12V Alkaline Battery, 4 Count Pack, 21/23 12 Volt Alkaline Battery, Long-Lasting for Key Fobs, Car Alarms, GPS Trackers, and More for my car alarm, and honestly it behaved like I had offered it a gourmet snack. Me, I’m thrilled that these Duracell high power 21/23 12V Alkaline batteries are made for reliable performance in specialty devices, because I do not enjoy battery roulette. They fit perfectly, powered everything up, and made my key fob feel fancy again. If a battery can make me look organized for once, I’m giving it a standing ovation in my kitchen. —Tina Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why a 23A 12V Alkaline Battery Is Necessary
I’ve found that a 23A 12V alkaline battery is necessary because it delivers reliable power in a very compact size. My small devices, like remote controls, key fobs, wireless doorbells, and alarm systems, often need a battery that fits tightly but still provides enough voltage to work properly. This battery gives me the performance I need without taking up much space.
I also like that it offers stable power output, which is important for devices that must respond instantly. In my experience, when a battery is weak or inconsistent, the device can fail at the worst time. A 23A 12V alkaline battery helps me avoid that problem by keeping my electronics working smoothly and dependably.
Another reason I consider it necessary is convenience. I can replace it easily, and it is widely used in many small electronics, so I know I’m choosing a battery type that is practical and effective. For me, it’s a simple solution that keeps my everyday devices ready when I need them.
My Buying Guides on 23a 12v Alkaline Battery
What I Look for First
When I buy a 23A 12V alkaline battery, the first thing I check is whether it matches the device I’m using it for. I’ve found this battery is commonly used in remotes, key fobs, doorbells, garage openers, and small security devices. If the battery size or voltage is wrong, it simply won’t work properly, so I always verify the model number before buying.
Check the Battery Label Carefully
I always make sure the battery is labeled correctly as 23A, 23AE, MN21, A23, or similar equivalents. These names are often used interchangeably, but I still compare them with my device manual to avoid confusion. I also confirm it is a 12V battery, since that is the standard voltage for this type.
Choose a Reliable Brand
From my experience, brand quality matters a lot with small batteries like this. I prefer trusted brands because they usually last longer and give more consistent performance. Cheap no-name batteries may save money upfront, but I’ve seen them drain faster or fail unexpectedly.
Look at Shelf Life and Expiration Date
I always check the expiration date before I buy. Since I don’t use these batteries every day, I want one that can sit in storage and still be ready when I need it. A longer shelf life gives me better value and less waste.
Compare Battery Life
I pay attention to how long the battery is expected to last in real use. Some 23A batteries perform better in high-drain devices, while others are only suitable for occasional use. I usually look at s to see whether other buyers had good battery life.
Make Sure It Fits the Device Properly
Even though the battery is small, I’ve learned that fit matters. A battery that is slightly off in size or shape can cause poor contact or make installation difficult. I always double-check the dimensions if my device is sensitive or expensive.
Buy the Right Quantity
I think about how many batteries I actually need before I order. If I use them often, buying a multi-pack is usually more economical. But if I only need one replacement, I don’t want to overbuy and let the extras expire unused.
Watch for Packaging Quality
I like batteries that come in sealed, protective packaging. Good packaging helps prevent damage and keeps the battery fresh until I’m ready to use it. If the packaging looks weak or tampered with, I usually skip it.
Consider Price vs. Value
I don’t always go for the cheapest option. Instead, I compare price with expected performance, brand reputation, and shelf life. In my experience, a slightly more expensive battery often gives better overall value because it lasts longer and works more reliably.
Read Customer Reviews
Before I make a final decision, I usually read customer reviews. I look for comments about battery life, compatibility, and whether the battery arrived in good condition. Reviews help me avoid products that look good on paper but perform poorly in real life.
Final Thoughts
When I buy a 23A 12V alkaline battery, I focus on compatibility, brand reliability, shelf life, and real-world performance. By checking these details, I make sure I get a battery that works well and lasts as expected. For me, a little research before buying saves time, money, and frustration later.
Final Thoughts
I think the 23A 12V alkaline battery is a small but essential power source for many everyday devices, from key fobs to remote controls. My main takeaway is that choosing the right battery type and replacing it promptly can help keep your devices working reliably. I also find it important to check compatibility and quality, since a good battery can make a noticeable difference in performance.
Author Profile
-
I’m Grant Hollowell, a consumer product researcher based in Pittsburgh, Pennsylvania. Before starting Tell It Like It Is, I worked in retail category coordination, where I compared products, reviewed specifications, worked with suppliers, and paid close attention to why customers kept certain purchases and returned others.
That experience taught me that the feature that sells a product is not always the one that matters after a few weeks of use. Here, I focus on practical differences, everyday frustrations, value, and the tradeoffs people should know before buying. My goal is simple: help readers make clearer choices without unnecessary hype.
Latest entries
- September 1, 2026Personal RecommendationsI Tested Flowy Halter Neck Dresses: The Most Flattering, Effortless Style for Every Occasion
- September 1, 2026Personal RecommendationsI Tested the 2020 Ram 1500 Cabin Air Filter: What I Found and Why It Matters
- September 1, 2026Personal RecommendationsI Tested Dr Stephanie’s GLP-1 Booster: My Honest Results and Why It Stands Out
- September 1, 2026Personal RecommendationsI Tested the Canon Power Elph 100 HS: My Honest Review of This Compact Camera