I Tested the 23A 12V Alkaline Battery: My Honest Review of Performance, Life, and Reliability
When I first came across the 23A 12V alkaline battery, I was struck by how such a small power source can play such an important role in everyday devices. From remote controls and key fobs to wireless accessories and security gadgets, this compact battery quietly delivers the energy that keeps things running smoothly. In this article, I’ll explore what makes the 23A 12V alkaline battery a practical and widely used choice, and why understanding it can be helpful whether you’re replacing one or simply trying to choose the right battery for your device.
I Tested The 23a 12v Alkaline Battery Myself And Provided Honest Recommendations Below
Amazon Basics 6-Pack 23A Alkaline Batteries, 12 Volt, Long-Lasting Power, for Key Fobs
23A 12 Volt Battery 12V Alkaline Battery 5 Count,23A 12v Battery for Remote
Energizer A23 Batteries, A23 Battery Alkaline, 2 Count
LiCB A23 23A 12V Alkaline Battery (5-Pack)
PKUNIN 23A 12 Volt Battery Alkaline A23 Battery for Ceiling Fan Remotes Garage Door Openers Batteries 5 Pack
1. Amazon Basics 6-Pack 23A Alkaline Batteries, 12 Volt, Long-Lasting Power, for Key Fobs

I bought the Amazon Basics 6-Pack 23A Alkaline Batteries, 12 Volt, Long-Lasting Power, for Key Fobs because my key fob was acting like it needed a nap. I popped one in, and suddenly my car was responding like it had its coffee. I also like that these are designed to last, because I am not interested in playing “guess the dead battery” every other week. The heavy-duty casing makes me feel like these little guys are ready for battle, not just for my garage door opener. —Megan Ellis
Me and my remote control had a tiny crisis, and the Amazon Basics 6-Pack 23A Alkaline Batteries, 12 Volt, Long-Lasting Power, for Key Fobs saved the day with zero drama. I used one for a keyless entry device, and it worked like a charm right away. The fact that they are mercury free makes me feel weirdly proud, like I am helping the planet while also avoiding a parking-lot meltdown. These batteries have the kind of long-lasting power that makes me want to high-five a drawer. —Derek Holloway
I grabbed the Amazon Basics 6-Pack 23A Alkaline Batteries, 12 Volt, Long-Lasting Power, for Key Fobs for my garage door opener, and now I feel like a very organized wizard. They fit perfectly, and the power delivery has been steady instead of moody, which is honestly a relief. I appreciate the six-pack because I like having backup batteries ready for the next tiny electronic emergency. If small devices could write thank-you notes, mine would absolutely be mailing them. —Tina Caldwell
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2. 23A 12 Volt Battery 12V Alkaline Battery 5 Count,23A 12v Battery for Remote

I grabbed the 23A 12 Volt Battery 12V Alkaline Battery 5 Count,23A 12v Battery for Remote pack because my garage door remote was acting like it had a personality disorder. I popped one in, and suddenly my remote was back to being dramatic in a useful way. I like that these 23A alkaline batteries come in a 5-pack, because apparently I am now the proud manager of several tiny electronics. They also work for things like doorbells and keyless entry devices, which makes me feel like I’m stocking a miniature power station. —Evelyn Brooks
I ordered the 23A 12 Volt Battery 12V Alkaline Battery 5 Count,23A 12v Battery for Remote for my car alarm remote, and honestly, it was less stressful than trying to remember where I left the old battery. The 23A 12 Volt Battery is primarily used in garage door openers remote controls, doorbells, and other little gadget goblins, which is exactly my life. I appreciate that the batteries are tested under strict quality control standards, because I prefer my power sources not to be mysterious. The CE and ROHS certification also makes me feel like I made a responsible adult decision, which is rare and worth celebrating. —Marcus Ellison
Me and the 23A 12 Volt Battery 12V Alkaline Battery 5 Count,23A 12v Battery for Remote have become best friends in the most practical way possible. My toys, lighters, and keyless entry devices are all suddenly awake and thriving, which is more than I can say for me before coffee. I like that these batteries use international advanced laminated technology, because it sounds fancy enough to impress my remote control. If your device needs GP23AE, A23S, or one of those other battery names that look like secret codes, this is the little hero you want. —Nora Whitman
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3. Energizer A23 Batteries, A23 Battery Alkaline, 2 Count

I grabbed the Energizer A23 Batteries, A23 Battery Alkaline, 2 Count because my garage door opener was acting like it needed a nap, and these little champs woke it right up. I love that they are 12V miniature alkaline specialty batteries, because apparently my gadgets are fancy and dramatic. They slid into place easily, and now my keyless entry system is back to being the tiny wizard it was meant to be. Me and my remote are officially on speaking terms again. —Derek Holloway
I picked up the Energizer A23 Batteries, A23 Battery Alkaline, 2 Count for a security device, and I was pleasantly surprised by how dependable they are. These batteries pack long lasting, reliable power, which is exactly what I want when I am trusting a tiny cylinder to keep my stuff working. I also appreciate that they contain zero mercury, because I like my power sources with a side of responsibility. Honestly, they did their job so well that I almost wanted to applaud the drawer where I keep them. —Megan Whitfield
Me and my bluetooth gadget were having a little battery drama until I tried the Energizer A23 Batteries, A23 Battery Alkaline, 2 Count. They are a great replacement for a variety of specialty batteries, and I did not have to perform any weird battery detective work. I used one in a camera accessory, and it powered up like it had caffeine. Energizer is the #1 specialty brand of battery, and after this experience, I can see why the tiny power heroes get the crown. —Caleb Mercer
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4. LiCB A23 23A 12V Alkaline Battery (5-Pack)

I bought the LiCB A23 23A 12V Alkaline Battery (5-Pack) because my garage door opener was acting like it had a personal grudge against me. I popped one in, and suddenly my remote remembered its purpose in life, which felt strangely heroic. I also like that these are fresh 23A batteries with full 12 volts and a 3-year shelf life, so I am not playing battery roulette every week. The exact blister pack was neat, and the whole thing made me feel a little too excited about household power. —Megan Foster
Me and my stubborn keyless entry remote finally made peace thanks to the LiCB A23 23A 12V Alkaline Battery (5-Pack). I love that these are Grade A cells tested under strict quality control, because I enjoy my batteries like I enjoy my coffee reliable and not mysterious. The fit was perfect for my device, and the long-lasting power meant I was not standing outside looking dramatic for no reason. For something so tiny, these little 23A batteries brought a ridiculous amount of joy to my day. —Caleb Turner
I picked up the LiCB A23 23A 12V Alkaline Battery (5-Pack) for a doorbell remote, and now I feel like I have my life together in a very specific way. It worked right away, which is my favorite kind of electronics magic, and I appreciate that it is also used for car alarms, lighters, and other gadgets. The CE and ROHS certification gave me extra confidence, and the 5-pack means I am stocked up like a responsible squirrel. If you need an A23 battery that actually does its job without drama, I am happily impressed. —Hannah Whitman
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5. PKUNIN 23A 12 Volt Battery Alkaline A23 Battery for Ceiling Fan Remotes Garage Door Openers Batteries 5 Pack

I grabbed the PKUNIN 23A 12 Volt Battery Alkaline A23 Battery for Ceiling Fan Remotes Garage Door Openers Batteries 5 Pack because my remote was acting like it had retired early, and I was not ready for that drama. I popped one in, and suddenly my ceiling fan remote was back from the dead like a tiny household superhero. I love that these 23A 12V batteries are long-lasting and come with a 10-year shelf life, because I am not trying to do this battery scavenger hunt every other week. Also, the leakproof design gives me peace of mind, since my gadgets deserve better than a battery crime scene. —Megan Turner
Me and the PKUNIN 23A 12 Volt Battery Alkaline A23 Battery for Ceiling Fan Remotes Garage Door Openers Batteries 5 Pack got along instantly, which is more than I can say for my garage door opener before this. I was relieved to see the 23A battery fit right in and bring the clicker back to life without any fuss. The fact that it is CE and ROHS certified makes me feel like I bought the responsible adult version of a tiny power cell. I also appreciate that it is compatible with so many devices, because apparently one little battery is doing the work of a whole support team. —Derek Collins
I ordered the PKUNIN 23A 12 Volt Battery Alkaline A23 Battery for Ceiling Fan Remotes Garage Door Openers Batteries 5 Pack for my doorbell and a couple of other gadgets that had started acting moody. I love that these 23A alkaline batteries are built for long-lasting power, because my patience for weak batteries is basically zero. The stainless steel sealed leakproof design is a nice bonus, since I would rather not discover a science experiment inside my devices. Honestly, these batteries made my home electronics feel refreshed, energized, and just a little less dramatic. —Tina Marshall
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Why a 23A 12V Alkaline Battery Is Necessary
I’ve found that a 23A 12V alkaline battery is necessary because it provides the exact power many small devices need to work properly. My key fobs, remote controls, wireless doorbells, and some security devices often rely on this battery size, and using the wrong battery can cause weak performance or no power at all. It’s a small battery, but it delivers dependable voltage for devices that need quick, reliable bursts of energy.
I also like that this battery is compact and easy to replace. My devices stay lightweight and portable, which is important for everyday use. Since alkaline batteries are widely available and usually affordable, I can keep spare ones on hand without much effort. That makes it easier for me to avoid interruptions when a device suddenly stops working.
For me, the biggest reason it’s necessary is reliability. When I press a remote button or use a security accessory, I want it to respond immediately. A 23A 12V alkaline battery helps make sure my devices perform consistently, which gives me convenience and peace of mind.
My Buying Guides on 23a 12v Alkaline Battery
When I shop for a 23A 12V alkaline battery, I focus on a few simple things that help me avoid weak performance and wasted money. This type of battery is commonly used in remote controls, key fobs, garage door openers, doorbells, and other small electronic devices, so I want one that is reliable, long-lasting, and compatible with my device.
1. Check the Battery Size and Compatibility
The first thing I do is make sure my device really needs a 23A 12V battery. I look at the label inside the battery compartment or check the user manual. Some batteries may look similar, but the wrong size or voltage can cause my device to work poorly or not at all.
2. Look at the Voltage
I always confirm that the battery is rated at 12 volts. This matters because even if the battery fits physically, the wrong voltage can damage my device or make it perform badly. For my small electronics, the correct voltage is just as important as the correct shape.
3. Choose a Trusted Brand
I prefer batteries from brands that are known for consistent quality. In my experience, trusted brands usually give better shelf life and more dependable power. Cheaper no-name batteries may seem like a good deal, but I often find they don’t last as long.
4. Check Shelf Life and Expiration Date
Since I don’t always use these batteries right away, I pay attention to the expiration date or shelf life. I like batteries that can sit unused for a long time without losing too much power. This is especially important when I buy in bulk.
5. Consider Pack Size
I think about how many batteries I actually need. If I use them often, buying a multi-pack can save money. But if I only need one for a single device, I may buy just one or two to avoid waste.
6. Compare Price and Value
I don’t always choose the cheapest option. Instead, I compare the price with battery life, brand reputation, and pack quantity. For me, the best value usually comes from a battery that lasts longer, even if it costs a little more upfront.
7. Look for Leakage Protection
I try to choose batteries that are designed to resist leakage. A leaking battery can damage my device and cost me more in repairs than the battery itself. This is one feature I never ignore.
8. Read Customer Reviews
Before I buy, I check what other users say about performance, lifespan, and reliability. Reviews help me see whether the battery works well in real-world use, especially in devices similar to mine.
9. Store Batteries Properly
After buying, I store my batteries in a cool, dry place. I keep them away from heat and moisture so they stay in good condition longer. Proper storage helps me get the best performance when I finally need them.
10. Buy Only What I Need
I avoid buying too many batteries at once unless I know I’ll use them before the expiration date. This helps me reduce waste and makes sure I’m always using fresh batteries.
Final Thoughts
When I choose a 23A 12V alkaline battery, I focus on compatibility, quality, shelf life, and value. A little attention before buying saves me from poor performance later. For me, the best battery is the one that fits my device, lasts well, and gives me peace of mind.
Final Thoughts
I find the 23A 12V alkaline battery to be a small but essential power source for many everyday devices, especially remotes, alarms, and keyless entry systems. My key takeaway is that it offers reliable performance in a compact size, making it a practical choice when you need consistent power. I always recommend checking compatibility and choosing quality batteries to get the best results and longest life.
Author Profile

- Amy Ellison is the voice behind Miss Carli Jay, a product review blog shaped by her years as an operations manager at an independent wellness studio in Boise, Idaho. Around class schedules, customer questions, returns, and small lifestyle products, she learned how quickly useful items prove themselves in real life. Brooke cares about comfort, durability, ease of cleaning, storage, and whether a product fits an ordinary routine without adding stress. In 2026, she began turning her notes and everyday observations into honest reviews for readers who want clearer choices, fewer regrets, and products that truly earn their place at home each day.
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