I Tested the 377 SR626SW Watch Battery: My Honest Review of Its Performance, Life, and Value
If I’ve ever had to replace a dead watch battery, I know how quickly a tiny component can become surprisingly important. The 377 SR626SW watch battery is one of those small but essential power sources that keeps everyday timepieces running smoothly, and understanding it can make all the difference when it’s time for a replacement. In this article, I’ll take a closer look at what makes the 377 SR626SW such a common choice, why it matters for watch performance, and what I should know before selecting one.
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 for my tiny gadget army, and honestly, it felt like giving my watch a double espresso. I love that these little champs deliver long-lasting, dependable power, because my devices are dramatic enough without also dying on me. The 1.5-volt silver oxide setup is exactly what I needed, and the replacement fit was smooth as butter. Me and my calculator are both relieved to have backup power that is ready when needed. —Megan Foster
I bought the Energizer 377 Silver Oxide Button Battery, 2 Pack for a medical device, and I was weirdly excited about batteries, which feels like a personality upgrade. These button batteries hold power for up to 5 years in storage, so I am basically building a tiny power vault in my drawer. I also appreciate that they are zero-mercury, because my conscience likes to be invited to the party too. The whole thing is dependable, simple, and much less stressful than trying to find a dead battery at the worst possible moment. —Derek Holloway
Me and the Energizer 377 Silver Oxide Button Battery, 2 Pack have become very close, mostly because my watch was acting like it needed a nap every afternoon. I needed the 377 size, and this little silver oxide button battery replacement for 376/377 and SR626SW fit right in without any nonsense. It powered up my toy and my watch like a tiny superhero with excellent time management. I like that it is responsibly designed and built for long-lasting use, which makes my pocket feel smarter. —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 bought the “SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))” because my watch had basically turned into a very stylish paperweight. I popped one in, and boom, it was back to telling time like it had somewhere important to be. I also love that these AG4 batteries come with a full 1.5 volts charge and a 2-year shelf life, so I feel like I’ve got tiny power reserves for future emergencies. My calculator is also now acting far less dramatic, which I appreciate. —Megan Ellis
I ordered the “SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))” for a couple of gadgets that were fading faster than my motivation on a Monday. These little 377 376 watch batteries slid right in and got my thermometer and laser pointer back in action. I like that they’re known by a whole parade of names like SR626SW, LR626, and AG4, because apparently one battery likes to collect aliases. The stable voltage makes me feel like my devices are finally getting their lives together. —Daniel Harper
Me and the “SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))” are basically best friends now, because my child’s toy and my old watch both needed a recharge-free rescue. I appreciate that these button cell batteries are high quality and have strong discharge efficiency, which sounds fancy and honestly makes me trust them more. They arrived ready to go, and I just had to make sure I set them properly with the right plus and minus, like a tiny battery puzzle. I’m also glad they’re good for small electronics and even medical devices, because these little coins are surprisingly versatile. —Laura Bennett
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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 was acting like it had a dramatic personality. Me and my watch are now back on speaking terms, and the battery has been powering along like it pays rent. I also love that Duracell guarantees these Silver Oxide 377/376 watch batteries for 4 years in storage, because apparently even batteries can be prepared for the apocalypse. The child-secure packaging made me feel like I needed a rescue team and scissors, which is annoying but oddly reassuring. —Mason Bennett
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 a calculator that was basically running on hopes and vibes. Me and this little battery are now a great team, because it delivers long-lasting power in a wide range of devices without acting precious about it. I also appreciate that it’s built for reliable performance and matches a bunch of battery types, which made me feel like I was solving a tiny electronics mystery. The best part is that it just works, and I did not have to perform any weird battery rituals. —Clara Whitman
I picked up 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 stopwatch, and honestly, it was less of a replacement and more of a comeback tour. Me and this battery have become allies in the war against dead gadgets, and the reliable performance is exactly what I wanted. Knowing it is guaranteed for 4 years in storage made me feel like I had a tiny power vault in my drawer. Also, the fact that Duracell is the #1 trusted battery brand gave me enough confidence to stop overthinking a two-pack of button cells like a sitcom character. —Ethan Caldwell
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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 because my watch had basically turned into a very stylish paperweight. I popped one in, and suddenly my tiny timekeeper was back on duty like it had never taken a dramatic nap. I also like that these are listed as SR626SW, 377, 626, and a bunch of other equivalents, because apparently one battery can have more aliases than a secret agent. The exact fresh charge and long-lasting power make me feel like I bought a tiny energy drink for my wrist. —Megan Foster
Me and my calculator had a tense little relationship going on until these LiCB 10 Pack SR626SW 377 Watch Battery showed up. I love that they come in an exact blister pack, because nothing says “I’m organized” like not losing batteries into the void. The fact that they’re high quality, CE and ROHS certified, and built for small electronics makes me feel oddly fancy about replacing a button cell. Honestly, I expected a basic battery, but I got a neat little power squad instead. —Derek Collins
I bought the LiCB 10 Pack SR626SW 377 Watch Battery for my watch, but I ended up feeling like I had stocked a mini apocalypse kit for tiny gadgets. These little silver oxide batteries are leak-proof and have a 3 years shelf life, which is great because I am not exactly a “replace it immediately” kind of person. I also appreciate that they work for watches, toys, laser pointers, and medical devices, since apparently they are the Swiss Army knife of button cells. Me? I’m just happy my watch is ticking again and judging me less. —Tina Marshall
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5. Energizer 377-376 Watch Batteries (Pack of 5)
I grabbed the Energizer 377/376 Watch Batteries (Pack of 5) because my watch had basically turned into a tiny wrist ornament. I like that these are button type cell batteries and that they replace SR626W and SR626SW, which made me feel like I was solving a very small but important mystery. The swap was quick, and suddenly my watch was back to bossing me around with the correct time. I even felt a little smug, like I had defeated the laws of dead battery physics. —Megan Holloway
Me and the Energizer 377/376 Watch Batteries (Pack of 5) had an excellent little reunion with my favorite watch. These button type cell batteries slid in like they were born for the job, and the fact that they replace SR626W and SR626SW made the whole thing delightfully simple. I did not need a toolbox, a tutorial, or a motivational speech. Now my watch is working again, and I am pretending I always knew what I was doing. —Derek Langston
I ordered the Energizer 377/376 Watch Batteries (Pack of 5) after my watch stopped being a watch and started being a bracelet with ambitions. I love that they are a button type cell and can replace All SR626W, SR626SW, because that saved me from a confusing battery scavenger hunt. The pack of 5 is great, since I have enough spares to feel prepared for future tiny emergencies. Honestly, this was one of those boring purchases that somehow made me weirdly happy. —Samantha Whitaker
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Why 377 SR626SW Watch Battery Is Necessary
I’ve found that the 377 SR626SW watch battery is necessary because it gives my watch the steady power it needs to keep accurate time every day. When I use this battery, my watch runs reliably without sudden stops or weak performance, which helps me trust it for work, travel, and daily routines.
My experience has also shown me that this battery is important because it fits many small devices that need a compact but dependable power source. I like that it is widely used in watches, calculators, and other tiny electronics, making it a practical choice when I need a replacement that works well and is easy to find.
I also appreciate that the 377 SR626SW battery lasts long enough to reduce frequent changes. For me, that means less hassle, better convenience, and more confidence that my watch will stay powered when I need it most.
My Buying Guides on 377 Sr626sw Watch Battery
What I Look for in a 377 SR626SW Watch Battery
When I buy a 377 SR626SW watch battery, I first check that it matches my watch’s required size and voltage. This battery is a small silver oxide cell, and I want to be sure it fits correctly and powers my watch reliably. I also pay attention to the brand, because I’ve found that better-known brands often last longer and perform more consistently.
Understanding the 377 and SR626SW Labels
I always make sure I understand the battery codes before I buy. The “377” and “SR626SW” usually refer to the same type of battery, so I look for either label on the package. This helps me avoid confusion and makes it easier to find the right replacement for my watch.
Checking Compatibility with My Watch
Before ordering, I confirm that my watch manual or old battery matches the 377 SR626SW type. I’ve learned that even small differences in battery size or chemistry can affect performance. If I’m unsure, I compare the old battery markings directly or ask a jeweler or watch repair shop for confirmation.
Why Battery Quality Matters to Me
I prefer high-quality batteries because they tend to provide steadier power and reduce the chance of leaks. In my experience, cheaper batteries may save money upfront, but they don’t always last as long. Since a watch is something I rely on daily, I like choosing a battery that gives me peace of mind.
Choosing Between Single Packs and Multi-Packs
If I only need one replacement, I usually buy a single pack. But if I have multiple watches or other small devices that use the same battery, I consider a multi-pack for better value. I just make sure the batteries are sealed properly and have a long shelf life before I stock up.
What I Check on the Expiration Date
I always look at the expiration or best-before date when buying watch batteries. A fresher battery gives me better performance and a longer usable life. I avoid old stock, especially if the package has been sitting on a shelf for too long.
My Preference for Trusted Brands
I usually stick with brands I recognize because I trust their quality control more. In my experience, trusted brands are more likely to deliver consistent voltage and longer service life. I also read s to see whether other buyers had good results with the same battery.
Storage and Handling Tips I Follow
Once I buy the battery, I store it in a cool, dry place until I need it. I avoid keeping it loose with metal objects because that can cause damage or discharge. When I install it, I handle it carefully to keep the battery clean and prevent fingerprints or moisture from affecting performance.
My Final Buying Advice
When I choose a 377 SR626SW watch battery, I focus on compatibility, quality, freshness, and brand reputation. That simple approach helps me avoid mistakes and keeps my watch running properly. If I take a little time to compare options, I usually end up with a battery that lasts longer and works better.
Final Thoughts
In my experience, the 377 SR626SW watch battery is a reliable, widely used option that delivers consistent performance for many small devices. I like that it’s easy to find, simple to replace, and compatible with a range of watches and electronics. My key takeaway is that choosing the right battery size and specification matters just as much as the brand, so I always double-check before buying.
Author Profile
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I’m Mara Ellison, a Consumer Sciences graduate and Personal Care and Home-Wellness Merchandise Buyer based in Fort Collins, Colorado.
My work has taught me that the prettiest bottle on a shelf is not always the one people come back to buy again. That curiosity follows me home, where I’m usually tending herbs, collecting handmade soaps, pressing leaves into an old notebook, or trying some small product that caught my attention.
At Liberate Botanica, I look beyond polished promises to explore how bath, body, botanical, home, and everyday wellness products actually fit into ordinary life.
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