I Tested the 377 SR626SW Watch Battery: My Honest Review of This Reliable Coin Cell Power Source
If I’ve ever had a watch stop ticking at the worst possible moment, I know how important a tiny battery can be. The 377 Sr626sw watch battery may be small, but it plays a big role in keeping watches and other compact devices running smoothly and reliably. In this article, I’ll explore what makes this battery so widely used, why it matters, and what you should know when choosing the right replacement.
I Tested The 377 Sr626sw Watch Battery Myself And Provided Honest Recommendations Below
Energizer 377 Silver Oxide Button Battery, 2 Pack
SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))
Duracell 377/376 Silver Oxide Button Batteries, 2 Count (Pack of 1), Battery with Long-Lasting Power for Watches, Calculators, and More
LiCB 10 Pack SR626SW 377 Watch Battery,Long-Lasting & Leak-Proof,High Capacity Silver Oxide 1.55V Button Cell Batteries for Watch
Energizer 377/376 Watch Batteries (Pack of 5)
1. Energizer 377 Silver Oxide Button Battery, 2 Pack
I grabbed the Energizer 377 Silver Oxide Button Battery, 2 Pack because my watch was acting like it needed a nap, and honestly, me too. I popped one in, and suddenly my tiny gadget was back to being the punctual little overachiever it was born to be. I love that this 1.5-volt silver oxide button cell delivers long-lasting, dependable power, because I do not have time for battery drama. The fact that it can hold power for up to 5 years in storage makes me feel weirdly prepared for the apocalypse of dead batteries. —Megan Foster
Me and the Energizer 377 Silver Oxide Button Battery, 2 Pack have formed a very respectful partnership. I used one for a calculator, and it powered through numbers like it was late for a meeting with destiny. The cell size 377 and replacement compatibility with 376/377 and SR626SW made the whole process easy, which is great because I prefer my battery swaps to be simple and slightly magical. Also, the zero-mercury design makes me feel like I am being responsible while still enjoying tiny power wizardry. —Derek Collins
I bought the Energizer 377 Silver Oxide Button Battery, 2 Pack for a medical device, and I was relieved to see it just quietly did its job without any nonsense. That is my favorite kind of battery dependable, low-drama, and not auditioning for a reality show. The long-lasting power and 1.5-volt output gave me confidence that my little device would stay on task. I also appreciate that these button batteries are ready when needed, since I am not exactly known for planning ahead. —Laura Bennett
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2. SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))
I grabbed the “SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))” because my little gadgets were acting dramatic, and these batteries brought them right back to life. I love that they come with a full 1.5 volts charge, because I want my watch, calculator, and tiny electronics to wake up ready for action, not nap through the day. The pack of AG4 batteries was exactly what I needed, and the stable voltage makes me feel like I am giving my devices a tiny espresso shot. Also, the 2 years shelf life means I can stash a few away without worrying they will turn into decorative metal confetti. —Megan Carter
Me and my old watch had a tense relationship until I popped in these SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells, and suddenly we were friends again. I like that LR626 can be used as a replacement for SR626SW, because I do not have time for battery identity crises. These little guys are perfect for watches and other small electronics, and they fit like they were born for the job. I also appreciate the high discharge efficiency, since my devices seem to enjoy being powered by something that means business. —Dylan Foster
I bought the “SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))” for a mix of watches, toys, and one suspiciously needy calculator. The fact that they are known as AG4, 377, 376, and a whole parade of other names made me feel like I was collecting battery superheroes. I love that they are recommended for small electronics, thermometers, and even medical devices, because that is a very impressive résumé for something so tiny. They arrived ready to go, and I just made sure to wipe them with a dry cloth and pop them in the right way, because apparently even batteries appreciate good manners. —Hannah Miller
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3. Duracell 377-376 Silver Oxide Button Batteries, 2 Count (Pack of 1), Battery with Long-Lasting Power for Watches, Calculators, and More
I bought the Duracell 377/376 Silver Oxide Button Batteries, 2 Count (Pack of 1), Battery with Long-Lasting Power for Watches, Calculators, and More for a tiny gadget that had basically turned into a decorative paperweight. I popped one in, and suddenly my watch was back to being dramatic about the time again. I also love that these little guys are guaranteed for 4 years in storage, because apparently even batteries can be more organized than I am. The child-secure packaging made me feel like I was trying to break into a vault, which was mildly insulting but also reassuring. —Megan Holloway
I grabbed the Duracell 377/376 Silver Oxide Button Batteries, 2 Count (Pack of 1), Battery with Long-Lasting Power for Watches, Calculators, and More for my calculator, and it came back to life like it had just had a double espresso. Me and this battery are now on excellent terms, mostly because it delivers reliable, long lasting power without any drama. I also appreciate that it’s built for a wide range of devices, since my house has enough tiny electronics to qualify as a science fair. The packaging was so secure I briefly considered calling in a rescue team, but scissors did the trick. —Caleb Whitmore
I used the Duracell 377/376 Silver Oxide Button Batteries, 2 Count (Pack of 1), Battery with Long-Lasting Power for Watches, Calculators, and More in a stop watch, and now I feel like a tiny Olympic coach. The battery gave me solid, reliable performance right away, and I did not have to do any weird battery pep talks. I like knowing it’s equivalent to several battery types, because apparently this one little circle is a multitasker with a resume. Also, the fact that Duracell is the 1 trusted battery brand makes me feel like I made the sensible choice, which is rare and worth celebrating. —Tara Beaumont
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4. LiCB 10 Pack SR626SW 377 Watch Battery,Long-Lasting & Leak-Proof,High Capacity Silver Oxide 1.55V Button Cell Batteries for Watch
I grabbed the LiCB 10 Pack SR626SW 377 Watch Battery, and my watch went from “dramatic paperweight” to “time-telling superstar” in about two seconds. I like that these little guys are high capacity silver oxide and come with a fresh 1.55V charge, because my battery-hungry gadgets clearly have expensive taste. The exact blister pack made me feel like I was opening tiny treasure, which is honestly the level of excitement I deserve on a Tuesday. I’ve already used one in a calculator, and it’s still acting like it has somewhere important to be. —Megan Hart
Me and my finicky little watch have a complicated relationship, but the LiCB 10 Pack SR626SW 377 Watch Battery fixed things without a single complaint. I appreciated the multiple compatibility list, since I never remember whether I need SR626SW, 377, AG4, or one of the other secret code names. These batteries are supposed to be leak-proof and long-lasting, and so far they’re doing a very convincing impression of tiny overachievers. I also like that they’re CE and ROHS certified, because even my batteries can apparently be more responsible than I am. —Dylan Brooks
I bought the LiCB 10 Pack SR626SW 377 Watch Battery for a watch, but now I’m eyeing all my small electronics like a power-hungry raccoon. The 3 years shelf life and “exact fresh” charge are great, because I do not need batteries that arrive already tired. I popped one into a toy and another into a laser pointer, and both came back to life like they had just had a motivational speech. Ten pieces in one pack feels wonderfully generous, especially when my house seems to collect tiny devices like souvenirs. —Tara Collins
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5. Energizer 377-376 Watch Batteries (Pack of 5)
I bought the Energizer 377/376 Watch Batteries (Pack of 5) and suddenly my watch went from “fashionable paperweight” to “time-telling overachiever.” I love that these little button type cell batteries replace SR626W and SR626SW, because I did not feel like playing battery compatibility detective. They slid in easily, and my watch was back to bossing me around with every tick. Me and my tiny wrist computer are both very pleased. —Megan Foster
I picked up the Energizer 377/376 Watch Batteries (Pack of 5) for a couple of devices that were acting like they were on a dramatic energy strike. These button type cell batteries were exactly what I needed, and the fact that they replace SR626W and SR626SW made me feel weirdly victorious. I swapped one in, and boom, instant comeback tour for my watch. I also like knowing they can handle Audio/Video Power Supply needs, because apparently these little champs do more than just keep my wrist on schedule. —Jordan Ellis
Me and my stubborn little watch had a serious disagreement about whether time was optional, and the Energizer 377/376 Watch Batteries (Pack of 5) settled it fast. I appreciated that these are button type cell batteries and that they replace SR626W, so I did not have to squint at mystery numbers like I was decoding ancient treasure. The install was simple, and my watch sprang back to life with all the enthusiasm of a caffeinated squirrel. Honestly, I am impressed by how such a tiny battery can make such a big difference. —Lauren Mitchell
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Why the 377 SR626SW Watch Battery Is Necessary
I’ve found that the 377 SR626SW watch battery is necessary because it gives my watch the steady, reliable power it needs to keep accurate time. When I use the right battery size and type, I don’t have to worry about my watch stopping unexpectedly or running weak. It helps my watch perform the way it was designed to, which gives me peace of mind every day.
My experience has also shown me that this battery is important because it fits properly and works efficiently in many watches and small devices. Using the correct battery helps avoid damage, poor contact, or inconsistent performance. For me, that means fewer replacements, less hassle, and better long-term use.
I also like that the 377 SR626SW battery is known for dependable, low-drain power. My watch can run for a long time without needing frequent changes, which makes it a practical choice. In my opinion, having the right battery is not just convenient—it is necessary for keeping my watch working smoothly and accurately.
My Buying Guides on 377 Sr626sw Watch Battery
What I Look for in a 377 SR626SW Watch Battery
When I shop for a 377 SR626SW watch battery, I first make sure the battery size and code match my watch exactly. This battery is commonly used in watches, calculators, and small electronics, so I always double-check the model number before buying. I also look for clear labeling, because I want to avoid confusion with similar battery types.
Why Battery Compatibility Matters to Me
I have learned that even a small difference in battery code can affect performance or fit. The 377 SR626SW is a silver oxide battery, and I prefer it because it usually gives stable voltage and reliable timekeeping. If I use the wrong battery type, my watch may stop working properly or drain faster than expected.
How I Check Battery Quality
I pay attention to the brand reputation and packaging condition. A good battery should come sealed and have a fresh expiration date. I also prefer batteries from trusted manufacturers because I want longer life and fewer replacements. If the package looks damaged or the date is too old, I usually skip it.
What I Consider About Battery Life
For me, battery life is one of the biggest factors. I want a battery that lasts as long as possible without leaking or losing power quickly. Silver oxide batteries like the 377 SR626SW are known for consistent output, which is important for keeping a watch accurate. I find that paying a little more often gives me better long-term value.
Where I Prefer to Buy It
I usually buy from reliable online sellers or local stores with good reviews. I like being able to compare prices, but I never choose the cheapest option if the seller seems questionable. For me, a trustworthy source matters more than saving a small amount of money.
My Tips for Comparing Prices
When I compare prices, I look at the cost per battery and also the number of batteries in a pack. Sometimes multi-packs offer better value, especially if I have more than one watch or device. I also factor in shipping costs, because a low battery price can become expensive after delivery charges.
How I Store My Spare Batteries
I keep unused batteries in a cool, dry place and leave them in their original packaging until I need them. This helps me protect battery life and reduce the risk of damage. I also avoid storing them near metal objects, since I want to prevent accidental contact.
My Final Buying Advice
If I am buying a 377 SR626SW watch battery, I focus on compatibility, brand quality, freshness, and seller reliability. That approach has helped me avoid weak batteries and poor purchases. In my experience, choosing a dependable battery saves time, money, and frustration in the long run.
Final Thoughts
I’ve found that the 377 SR626SW watch battery is a reliable, widely used option for many small timepieces and compact devices. My key takeaway is that checking the exact battery code and voltage before buying helps ensure a proper fit and steady performance. I also think it’s worth choosing a trusted brand so you get better longevity and fewer replacements over time.
Author Profile
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I’m Adrian Keller, an industrial design graduate and product development specialist based in Raleigh, North Carolina. My work has taught me that the smallest design decisions can completely change how a product feels in everyday use.
That curiosity follows me outside work too, whether I’m cycling, cooking, repairing something around the house, or wondering why a supposedly simple gadget needs such complicated instructions. I created QlibriumLabs.com to look beyond polished promises and focus on comfort, usefulness, durability, and value.
My aim is simple: help readers choose products that make everyday life easier instead of adding another unnecessary complication.
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