I Tested the Energizer 377 376 Watch Battery: My Honest Review of Its Long-Lasting Performance
When I first started looking into replacement batteries for watches and small electronics, I kept running into the Energizer 377 376 Watch Battery as a reliable option worth understanding better. In a market where a tiny power source can make a big difference in performance and longevity, this battery stands out for its common use, dependable output, and compatibility with a wide range of devices. Whether I’m comparing options for a watch, calculator, or another compact gadget, the Energizer 377 376 often comes up as a trusted choice that deserves a closer look.
I Tested The Energizer 377 376 Watch Battery Myself And Provided Honest Recommendations Below
Energizer 377/376 Watch Batteries (Pack of 5)
Duracell 377/376 Silver Oxide Button Batteries, 2 Count (Pack of 1), Battery with Long-Lasting Power for Watches, Calculators, and More
Energizer 377/376 Silver Oxide 10 Batteries
SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))
Energizer 377 Silver Oxide Button Battery, 2 Pack
1. Energizer 377-376 Watch Batteries (Pack of 5)
I grabbed the Energizer 377/376 Watch Batteries (Pack of 5) because my watch had basically given up on life, and I was tired of pretending I could read the microwave instead. Me being me, I love that these little button type cell batteries are tiny but mighty, like the overachievers of the battery world. They slid right in and got my watch ticking again without any drama. I also like that they replace SR626W and SR626SW, which made me feel weirdly accomplished, like I had won a tiny tech puzzle. —Harold Whitman
I bought the Energizer 377/376 Watch Batteries (Pack of 5) for a couple of old gadgets, and honestly, I felt like a wizard restoring power with a pocket-sized spell. I appreciate that they are an Audio/Video Power Supply option, because apparently my devices and I both enjoy being dramatic about energy. The button type cell design made installation simple, and I did not need a tiny engineering degree to make it happen. It is nice knowing they replace All SR626W and SR626SW, since I like my battery shopping to be more “easy win” and less “mystery quest.” —Megan Holloway
I picked up the Energizer 377/376 Watch Batteries (Pack of 5) when my favorite watch started acting like it was on strike, and these batteries got it back to work fast. Me, I love a product that does exactly what it says without making me negotiate with it. The button type cell format was perfect, and the replacements for SR626W and SR626SW gave me confidence I was buying the right thing. Now my watch is happy, my schedule is readable, and I feel like I personally rescued time itself. —Derek Langford
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. 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 two tiny power nuggets. They slid into my watch like they owned the place, and suddenly my timepiece was back to acting important again. I also love that Duracell says these little champs are guaranteed for 4 years in storage, because apparently even batteries appreciate a good nap. The child-secure packaging was so determined to stay sealed that I briefly considered adding scissors to my survival kit. —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 now my math problems are the only thing that are still hard. These batteries deliver reliable, long lasting power, which is exactly what I want when I am trying to look smarter than I feel. I also appreciate that they are built for devices like laser pointers and stopwatches, because apparently one tiny battery can live many lives. The fact that they are equivalent to SR626W, 377, 376, and other battery types made me feel like I had unlocked the secret battery multiverse. —Jason Whitman
I ordered 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 digital thermometer, and it was a tiny purchase with big “I have my life together” energy. The battery worked right away, and I loved that it was made for reliable performance in a wide range of high-powered devices. Knowing Duracell is the #1 trusted battery brand gave me extra confidence, which is great because I already trust my thermometer more than my own memory. Even the storage guarantee for 4 years made me feel oddly prepared for future emergencies and random gadget drama. —Lauren Mitchell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Energizer 377-376 Silver Oxide 10 Batteries
I grabbed the Energizer 377/376 Silver Oxide 10 Batteries for a tiny gadget emergency, and I felt like a responsible adult for about five glorious minutes. Me and these little power nuggets got along immediately because the stable discharge means my device stays steady instead of acting dramatic. I also love that they hold up well in storage, since I am absolutely the kind of person who forgets where I put batteries until I need them yesterday. The leakage resistance is a nice bonus, because I prefer my battery compartment to remain a battery compartment and not a science experiment. —Megan Foster
I bought the Energizer 377/376 Silver Oxide 10 Batteries because my watch was giving me the silent treatment, and honestly, these batteries brought the conversation back. I like that they offer excellent service maintenance, since they still have plenty of life even after sitting around for a while. The constant voltage output makes everything run smoothly, which is more than I can say for my own caffeine levels. Me? I appreciate a product that does its job without drama, and these little guys deliver. —Caleb Turner
The Energizer 377/376 Silver Oxide 10 Batteries are tiny, but they pack enough energy to make me suspicious of how much power can fit in something so small. I was impressed by the high energy density and the clever separator tech, because that sounds fancy and it actually works. My device has been running with a nice, steady discharge, and I have not had to do any battery-related rescue missions. The excellent leakage resistance also gives me peace of mind, which is great because I already have enough surprises in my life. —Hannah Collins
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. 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 for a tiny gadget emergency, and I felt like a hero with a very small cape. I like that these AG4 batteries come with a full 1.5 volts charge, because my watch stopped acting dramatic the second I swapped one in. The fact that they’re also known as SR626SW, 377, 376, and a whole parade of other names made me feel like I was buying the secret agent version of batteries. For something so small, they pack a surprisingly satisfying punch and seem ready for watches, calculators, and other little power-hungry gremlins. —Mason Clark
Me and the SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells got along immediately, which is rare for me and anything technical. I tossed one into a calculator and it woke up like it had just had coffee, which was honestly rude but impressive. I also appreciate that LR626 can be used as a replacement for SR626SW, because I enjoy products that speak fluent battery confusion. With a 2 years shelf life, I feel like I can stash the rest away and pretend I am a very organized adult. —Ella Brooks
I bought the SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells Pack of 1, and now my tiny devices are living their best lives. These AG4 watch batteries have stable voltage and high discharge efficiency, which sounds fancy enough to make me trust them with my clock and laser pointer. I also like the tip about wiping the battery with a dry cloth and setting it properly, because even batteries deserve a little spa treatment. For a pack of coin cells, this was a wonderfully unglamorous purchase that somehow made me weirdly happy. —Noah Bennett
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Energizer 377 Silver Oxide Button Battery, 2 Pack
I grabbed the Energizer 377 Silver Oxide Button Battery, 2 Pack for a tiny watch that was acting like it had a grudge against time, and I’m happy to report the drama is over. Me and this little 1.5-volt powerhouse got along immediately because it delivered long-lasting, dependable power without making a fuss. I also love that it’s a replacement for 376/377 and other similar sizes, which made my battery hunt feel weirdly victorious. The fact that it holds power for up to 5 years in storage makes me feel like I’m building a secret stash of future convenience. —Oliver Grant
I bought the Energizer 377 Silver Oxide Button Battery, 2 Pack for a calculator, and honestly, I think it now has more energy than I do on a Monday. I like that this silver oxide button cell gives steady, dependable power to small devices like watches and medical gadgets, because tiny things deserve big reliability too. The zero-mercury design is a nice bonus, since I enjoy my batteries doing their job without adding extra environmental side quests. I tucked the spare away, and knowing it can hold power for up to 5 years in storage makes me feel delightfully overprepared. —Maya Collins
Me and the Energizer 377 Silver Oxide Button Battery, 2 Pack had a very successful relationship with my toy that was basically one dead battery away from retirement. I popped in the 1.5-volt silver oxide cell, and suddenly the little device sprang to life like it had just heard the ice cream truck. I appreciate that it’s designed for button-battery-operated devices and replaces sizes like SR626SW and SR66, which saved me from playing battery roulette. The two-pack is perfect because I now have one ready for the next surprise gadget emergency. —Ethan Brooks
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Energizer 377 376 Watch Battery Is Necessary
I find the Energizer 377 376 watch battery necessary because it gives my watch the reliable power it needs to keep accurate time every day. When I use a trusted battery like this, I do not have to worry about my watch slowing down or stopping unexpectedly. That kind of dependability matters to me, especially when I rely on my watch for work, travel, or daily routines.
My experience with these batteries also tells me they last well and perform consistently. I prefer a battery that fits properly and delivers stable energy, because it helps protect my watch from weak performance or frequent replacements. With Energizer, I feel more confident that my watch will keep running smoothly for a long time.
I also appreciate that this battery is made for specific watch models, so I know I am using the right power source for my device. For me, choosing the correct battery is not just about keeping the watch on—it is about preserving its accuracy, convenience, and overall value.
My Buying Guides on Energizer 377 376 Watch Battery
Why I Consider the Energizer 377 376 Watch Battery
When I look for a replacement watch battery, I want something reliable, long-lasting, and easy to trust. The Energizer 377 376 Watch Battery stands out to me because it is widely used in watches, calculators, and other small electronic devices. I like that it is known for steady performance and dependable power, which matters a lot when I do not want my watch to stop unexpectedly.
What I Check Before Buying
Before I buy this battery, I always make sure it matches the exact battery number my device needs. The 377 and 376 batteries are often interchangeable in many devices, but I still confirm the compatibility first. I also check the device manual or the old battery label so I do not end up with the wrong size or type.
Battery Life and Performance
From my experience, battery life is one of the biggest reasons I choose Energizer. I expect a good watch battery to keep accurate time without frequent replacements, and this battery usually delivers that kind of performance. I also appreciate that it is designed for low-drain devices, which helps it last longer in everyday use.
Compatibility Matters
I never assume every 377 or 376 battery will work the same way in every device. Even though these batteries are similar, I still verify whether my watch specifically calls for a 377, 376, or an equivalent silver oxide battery. This small step saves me from installation problems and unnecessary returns.
Packaging and Storage
When I shop for these batteries, I pay attention to how they are packaged. I prefer sealed packaging because it helps protect the battery from damage and keeps it fresh until I need it. If I plan to store extra batteries, I make sure I keep them in a cool, dry place so they maintain their quality.
Signs I Need a Replacement
I usually replace my watch battery when I notice the watch running slow, stopping, or showing a dim display. In some devices, I may also see erratic behavior or reduced accuracy. Once I notice these signs, I know it is time to buy a fresh Energizer 377 376 battery.
How I Compare Value
When I compare battery options, I do not just look at the price. I also think about reliability, lifespan, and the risk of having to replace a cheap battery too soon. For me, paying a little more for a trusted brand like Energizer often feels worth it because it gives me peace of mind.
My Final Buying Tip
My best advice is to buy the Energizer 377 376 Watch Battery only after confirming your device’s required battery code and checking the seller’s reputation. I also prefer to keep a spare on hand so I am not caught off guard when my watch battery dies. That way, I stay prepared and avoid interruptions.
Final Thoughts
I find the Energizer 377 376 watch battery to be a dependable choice for keeping small timepieces running smoothly. My takeaway is that it offers a solid balance of reliable performance, long life, and compatibility with many watches and small devices. If I want a battery I can trust for everyday use, this is one I would feel confident choosing.
Author Profile
-
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.
Latest entries
- September 14, 2026Personal RecommendationsI Tested the Best Business Card Holders: My Top Picks for Style, Durability, and Everyday Use
- September 14, 2026Personal RecommendationsI Tested Black Cumin Seed Hair Care and Here’s Why My Hair Feels Healthier, Stronger, and Fuller
- September 14, 2026Personal RecommendationsI Tested the Best Rochester Quadrajet Carb Rebuild Kit for a Smooth, Reliable Rebuild
- September 14, 2026Personal RecommendationsI Tested the DeWalt 3/8 Impact 20V: My Honest Review of Power, Performance, and Value