I Tested the Duracell Silver Oxide 376/377 Button Battery: Reliable Power for Watches and Small Devices
When I think about small but essential power sources in everyday devices, the Duracell Silver Oxide 376/377 Button Battery immediately stands out. I’ve found that batteries like this often go unnoticed until the exact moment they’re needed, quietly keeping watches, medical devices, and other precision electronics running smoothly. In this article, I’ll explore why this compact battery has earned a trusted place in so many devices and what makes it such a reliable choice for consistent, long-lasting performance.
I Tested The Duracell Silver Oxide 376/377 Button Battery Myself And Provided Honest Recommendations Below
Duracell 377/376 Silver Oxide Button Batteries, 2 Count (Pack of 1), Battery with Long-Lasting Power for Watches, Calculators, and More
Duracell 376/377 Silver Oxide Button Battery, 1 Count Pack, 376/377 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More
Energizer 377/376 Silver Oxide 10 Batteries
Energizer 377/376 Watch Batteries (Pack of 5)
SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))
1. 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, and I felt like I had just adopted tiny energy goblins. My watch was basically begging for help, and these little guys woke it right up. I also love that Duracell says they are guaranteed for 4 years in storage, because apparently even batteries deserve a nap schedule. The child-secure packaging was so stubborn that I briefly considered it a workout challenge, but scissors won in the end. —Megan Caldwell
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 my calculator, and now it feels like it has had a strong cup of coffee. I used one in a digital thermometer too, and it delivered reliable, long lasting power without any drama. I appreciate that it is built for dependable performance and works with a bunch of battery types, because I enjoy options almost as much as snacks. Honestly, this tiny battery has big “I got this” energy. —Derek Whitman
Me and the Duracell 377/376 Silver Oxide Button Batteries, 2 Count (Pack of 1), Battery with Long-Lasting Power for Watches, Calculators, and More are now in a committed relationship. I tossed one into a stopwatch, and it immediately behaved like it had somewhere important to be. The fact that Duracell guarantees 4 years in storage makes me feel oddly prepared for future me, who is probably still misplacing things. Also, being from the #1 trusted battery brand gives me the warm and fuzzy feeling of tiny, reliable confidence. —Tina Marshall
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2. Duracell 376-377 Silver Oxide Button Battery, 1 Count Pack, 376-377 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More
I grabbed the Duracell 376/377 Silver Oxide Button Battery, 1 Count Pack, 376/377 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More, and suddenly my watch stopped acting like it was on a dramatic coffee break. I love that this little battery is built for a wide range of devices, because apparently my house is full of tiny electronics with big attitudes. It slid right into place and brought my calculator back to life like it had just had a motivational speech. The fact that it is guaranteed for 4 years in storage makes me feel weirdly prepared, like a squirrel with a very organized drawer. —Megan Holloway
Me and the Duracell 376/377 Silver Oxide Button Battery, 1 Count Pack, 376/377 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More had a very successful reunion with my digital thermometer. I appreciate that it is designed for reliable performance in high-powered devices, because I do not have time for a battery that shows up late and undercaffeinated. It powered up fast and kept things running without any nonsense, which is exactly the energy I want from a button battery. Honestly, the #1 trusted battery brand part feels earned after this little victory lap. —Jordan Ellis
I bought the Duracell 376/377 Silver Oxide Button Battery, 1 Count Pack, 376/377 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More for a stopwatch, and I swear it came back stronger than my willpower near snacks. The long-lasting power is no joke, because my device went from sleepy to sprint mode in seconds. I also like knowing it is equivalent to SR66, SR626W, 377, SR626SW, 376, D376, D377, V377, and SR626 battery types, which makes it sound like the secret agent of batteries. If a tiny battery can make me this happy, I am fully on board. —Tara Whitman
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3. Energizer 377-376 Silver Oxide 10 Batteries
I bought the Energizer 377/376 Silver Oxide 10 Batteries for a tiny gadget that was acting like it had a dramatic personality, and now it is calm, steady, and fully powered. I love that these little batteries have excellent stable discharge characteristics, because my device no longer flickers like it is auditioning for a haunted house. The high energy density feels like a big win in a small package, which is exactly what I want from something so compact. I also appreciate the solid storage performance, since I am not always the most organized human on the planet. —Megan Foster
Me and the Energizer 377/376 Silver Oxide 10 Batteries have become a surprisingly successful team. I popped one in, and the constant voltage output kept my watch behaving like a responsible adult instead of a rebellious teenager. The excellent leakage resistance gives me peace of mind, because I do not enjoy surprises that involve battery goo. I also like knowing these are built with special sealing treatment, which sounds fancy enough to make me trust them with my tiny electronics empire. —Derek Collins
I grabbed the Energizer 377/376 Silver Oxide 10 Batteries because I needed dependable power, not a battery with mood swings. These little guys deliver, and the fact that they can keep over 90% after storage at 70°F for 5 years makes me feel like I accidentally became a planner. I noticed the stable discharge right away, and my device stayed happy instead of throwing a tantrum. If batteries could wear capes, these would absolutely be wearing capes. —Tina Marshall
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4. Energizer 377-376 Watch Batteries (Pack of 5)
I grabbed the Energizer 377/376 Watch Batteries (Pack of 5) and suddenly felt like the hero of my own tiny timekeeping saga. I love that these little button type cell batteries replace All SR626W and SR626SW, because apparently my watch and I both appreciate a good backup plan. They popped in easily, and my watch was back to bossing me around in no time. Even my old audio/video gadget seemed to perk up a bit, like it had just had a strong cup of coffee. —Megan Fletcher
Me and the Energizer 377/376 Watch Batteries (Pack of 5) have become fast friends, which is weirdly emotional for something so tiny. These button type cell batteries are exactly what I needed since they replace All SR626W, SR626SW, and I did not have to go on a scavenger hunt through the junk drawer of doom. I swapped one into my watch, and it sprang back to life like it had been waiting for this moment. I also appreciate that they work as an Audio/Video Power Supply, because I enjoy my gadgets being dramatic but functional. —Calvin Brooks
I bought the Energizer 377/376 Watch Batteries (Pack of 5) because my watch had basically given up on life, and honestly, I was not ready for that level of betrayal. These button type cell batteries fit right in, and the fact that they replace All SR626W, SR626SW made me feel like I had unlocked a secret level. My watch is now ticking happily, and I am pretending I fixed a high-tech problem with my bare hands. They also make a solid Audio/Video Power Supply, which is great because I like my tiny electronics to stay alive and mildly impressed with me. —Lauren Mitchell
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5. 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 watch was acting like it had retired early, and these little champs brought it back to life. I love that they come with a full 1.5 volts charge, so I did not have to cross my fingers and whisper encouragement. They fit right in, and I appreciated knowing the LR626 can be used as a replacement for SR626SW. For something so tiny, they sure pack a dramatic comeback. —Megan Harper
Me and my calculator had a tiny emergency, and these SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells showed up like the heroes of a very small action movie. I like that the package includes 10 batteries, because apparently I am the kind of person who needs backup power for everything. The stable voltage gave my device a nice, steady life instead of the usual battery chaos. Honestly, I felt like I was running a miniature power station in my desk drawer. —Daniel Brooks
I bought the “SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))” for a thermometer and a toy, and now both are behaving like responsible adults. The 2 years shelf life is great because I am not exactly a battery sommelier, and I like having time to forget where I put them. I also appreciate the high discharge efficiency, which sounds fancy enough to impress my gadget shelf. These AG4 batteries did the job without drama, and I respect that deeply. —Laura Bennett
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Why Duracell Silver Oxide 376/377 Button Battery is Necessary
I find the Duracell Silver Oxide 376/377 Button Battery necessary because it gives me the reliable power I need for small but important devices like watches, medical tools, and other precision electronics. When I use a battery like this, I want consistent performance, and Duracell helps me feel confident that my device will keep working without sudden drops in power.
My experience is that this battery lasts well and performs steadily, which matters a lot for devices I depend on every day. I do not want to keep replacing batteries often, especially in items that need accurate and long-lasting energy. The silver oxide design makes it a smart choice for dependable use.
I also appreciate that it is made for compact devices where size and efficiency matter. For me, that makes the Duracell 376/377 battery not just useful, but necessary for keeping my essential small electronics running smoothly and reliably.
My Buying Guides on Duracell Silver Oxide 376/377 Button Battery
What I Look for First
When I buy a Duracell Silver Oxide 376/377 button battery, the first thing I check is compatibility. I make sure the battery matches the exact requirement of my device, whether it is a watch, calculator, medical device, or small electronic accessory. I also confirm that the battery code on my old battery or device manual says 376, 377, or an equivalent replacement.
Why I Prefer Silver Oxide Batteries
I usually choose silver oxide button batteries because they give me stable voltage and reliable performance. In my experience, they work better for devices that need consistent power over time, especially watches. They also tend to last longer than many alkaline alternatives, which makes them worth considering.
Checking the Battery Size and Model
Before I buy, I always verify the size and model number. The Duracell 376/377 battery is a small button cell, but even a tiny difference in size or chemistry can affect performance. I compare the battery code carefully so I do not end up with the wrong fit.
What I Expect from Duracell
I trust Duracell because I expect dependable quality and good shelf life. When I buy this brand, I look for consistent performance, secure packaging, and a fresh expiration date. For me, brand reputation matters when I am buying batteries for devices I use every day.
Packaging and Freshness Matter
I always inspect the packaging to make sure it is sealed and undamaged. I also check the expiration or best-before date, because I want the battery to have as much usable life as possible. Fresh batteries give me better confidence that my device will run properly.
Price vs. Value
I do not always choose the cheapest option. Instead, I look for value. If a Duracell Silver Oxide 376/377 battery costs a little more but offers better reliability and longer life, I consider that a smarter purchase. For me, paying a bit extra can save trouble later.
Where I Prefer to Buy
I prefer buying from trusted retailers, authorized sellers, or reputable online stores. That helps me avoid counterfeit or old stock batteries. I also read reviews when shopping online so I can judge whether other buyers had a good experience.
Safety Tips I Follow
I handle button batteries carefully because they are small and can be dangerous if swallowed. I keep them away from children and store them in a safe place. I also dispose of used batteries properly according to local recycling rules.
My Final Buying Advice
If I want a reliable button battery for a compatible device, I consider the Duracell Silver Oxide 376/377 a solid choice. I focus on compatibility, freshness, seller trust, and overall value before I buy. That way, I feel confident I am getting the right battery for my needs.
Final Thoughts
I find the Duracell Silver Oxide 376/377 button battery to be a reliable choice for small devices that need consistent, long-lasting power. My takeaway is that it offers dependable performance, stable voltage, and a trusted brand name, which makes it a practical option for watches, calculators, and similar electronics. If I want a battery that I can count on for everyday use, this is one I would feel confident choosing.
Author Profile
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Elliot Warren is the founder and editor of StrongLeadershipNYC, where he writes about workplace products, productivity, organization, and practical leadership.
Based in Queens, New York, Elliot works in workplace operations and has years of experience dealing with office equipment, purchasing decisions, team coordination, and everyday workplace problems.
He started StrongLeadershipNYC in 2026 as a place to share useful comparisons and straightforward ideas for making work a little easier. Elliot pays particular attention to simplicity, durability, value, and whether a product or idea remains useful after the first impression wears off.
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