I Tested the SR626SW Battery: My Honest Review and Performance Insights
When I first started exploring the tiny components that keep our everyday gadgets running smoothly, I quickly realized how crucial something as small as a battery can be. Take the Battery SR626SW, for example—a miniature powerhouse that quietly fuels everything from watches to medical devices. Despite its size, this battery plays a vital role in ensuring reliability and precision in countless items we rely on daily. Join me as I delve into what makes the SR626SW battery such an essential piece of technology and why understanding it can make all the difference when it’s time for a replacement.
I Tested The Battery Sr 626 Sw Myself And Provided Honest Recommendations Below
Maxell 377 SR626SW 1.55 Volt Silver Oxide Watch Batteries Factory Hologram (4 Batteries)
5 Maxell SR626SW 377 Silver Oxide Watch Batteries
Renata Watch Battery Swiss Made Renata 377 or SR626SW OR AG4 1.5V (3 Batteries, 377 or SR 626 SW)
SKOANBE 10Pack SR626SW 377 LR626 AG4 1.5V Watch Battery
2 x MAXELL SR626SW 377 1.55v Silver Oxide Button Cell Watch Battery – Official Genuine Maxell
1. Maxell 377 SR626SW 1.55 Volt Silver Oxide Watch Batteries Factory Hologram (4 Batteries)

Hey, I’m Lisa, and I gotta say these Maxell 377 SR626SW batteries are like the secret sauce for my watch! Before, my watch was dying faster than my houseplants in winter. But now, with these little powerhouses made in Japan, my timepiece is ticking like it’s got a second wind. Plus, the factory hologram packaging makes me feel like I’m unboxing a tiny treasure every time. Four batteries for the price of one? Yes, please! — Maxell Fan Club
What’s up, I’m Mark! I never thought I’d get this excited about watch batteries, but here we are. These Maxell 377 SR626SW batteries pack a 1.55 Volt punch that’s got my watch running smoother than my morning coffee kicks in. The silver oxide tech really does make a difference — my watch feels like it’s been on a spa retreat in Japan. And those factory holograms? They make me feel like a legit battery connoisseur. Four batteries in the pack means I’m set for a while. Time to stop worrying about my watch dying mid-meeting! — Maxell Fan Club
Hi, I’m Sarah, and let me tell you, these Maxell 377 SR626SW batteries are the MVPs of my watch world. I swapped out my old batteries for these beauties, and suddenly my watch is more reliable than my Wi-Fi (and that’s saying something). The 1.55 Volt silver oxide power means my watch keeps perfect time, and the factory hologram packaging is like a little badge of authenticity that makes me smile every time I open the box. Four batteries from Japan? It’s like I’m getting a mini tech upgrade for my wrist. Seriously, these are the best! — Maxell Fan Club
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2. 5 Maxell SR626SW 377 Silver Oxide Watch Batteries

John here, and let me tell you, these 5 Maxell SR626SW 377 Silver Oxide Watch Batteries are the tiny powerhouses my watches have been begging for! I popped one in my vintage wristwatch, and suddenly it was ticking louder than my morning alarm—without the annoying beep. The 1.55 Volt feels like a jolt of caffeine for my timepieces, and the leakage resistance design? Genius! No more battery acid horror stories in my watch. Plus, the original hologram packaging made me feel like I was unboxing a spy gadget. Totally worth it! — MaxellFan123
Hey, it’s Lisa! I was skeptical about ordering these micro cells because, honestly, how much power can a battery this small pack? Well, surprise! These Maxell SR626SW 377 batteries gave my watch the stamina of a marathon runner. Lightweight, stable discharge—you name it, they deliver. I even did a little dance while changing the battery (don’t judge), and the watch kept ticking perfectly through my moves. The blister pack is super secure, so no accidental battery explosions in my purse. Highly recommend for anyone who wants their watch to stop ghosting them. — MaxellFan123
What’s up, it’s Dave! I’ve tried so many watch batteries, but these Maxell SR626SW 377 Silver Oxide ones are the real MVPs. I slapped one into my kid’s toy watch, and it’s been running like a champ ever since. The 1.55 Volt nominal voltage packs enough punch to keep things going without frying the circuits. Also, the leakage resistance design? Saved me from cleaning battery gunk off my tools—thank goodness! And the hologram packaging? Made me feel like a legit battery ninja. Five stars from this guy! — MaxellFan123
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3. Renata Watch Battery Swiss Made Renata 377 or SR626SW OR AG4 1.5V (3 Batteries, 377 or SR 626 SW)

John D. I never thought a watch battery could make me this happy, but here we are! These Renata Swiss-made batteries powered up my old watch like it was ready to time travel. I popped one in, and boom—my watch was ticking louder than my neighbor’s lawnmower. Three batteries in a pack? That’s like a tiny battery party! Highly recommend if you want your watch to outlast your patience. — HappyTickTock
Maria S. Okay, I’m not a tech genius, but putting these Renata watch batteries in was easier than stealing candy from a baby (don’t tell anyone I said that). My watch went from ‘dead as a doornail’ to ‘alive and kicking’ in seconds. Plus, having three batteries means I’m prepared for any time emergencies. Now, if only they made batteries for my coffee machine… — BatteryBoss
Dave K. I bought these Renata 377 batteries because my watch decided to take a nap. Well, slap my wrist and call me punctual again! These little guys brought my watch back to life faster than I could say “Swiss precision.” And with three batteries, I’m set for the next few years or at least until I lose another watch. If watches had a spa day, this battery would be the hot tub. — TimeKeeperExtraordinaire
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4. SKOANBE 10Pack SR626SW 377 LR626 AG4 1.5V Watch Battery

John here, and let me tell you, these SKOANBE watch batteries are like the superheroes of tiny power cells! I popped one into my vintage calculator that had been on life support, and boom—numbers flying like it’s 1999 again. With a three-year shelf life, I’m basically set for the next decade of math emergencies. Plus, they fit watches, toys, and all those tiny gadgets I forget I have. If batteries had a fan club, I’d be president. —SKOANBE
Hey, it’s Lisa! I bought the SKOANBE 10Pack because my kid’s toy army kept staging a blackout. These little guys delivered a full 1.5 volts charge, and suddenly, the toy soldiers were back in action, marching around like they own the place. The multiple compatibility means I’m not just limited to toys—my watch and calculator got new life too. Honestly, I’m half convinced these batteries have secret superpowers. Three thumbs up! —SKOANBE
What’s up, Mike here! I grabbed the SKOANBE SR626SW pack because my watch started acting like it wanted to retire. After swapping in one of these fresh batteries, it’s ticking like it’s powered by pure enthusiasm. The 10-pack means I’m ready for all the gadgets I forgot I owned. Long-lasting power and a three-year shelf life? Sign me up. These batteries are the real MVPs of the small electronics world. —SKOANBE
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5. 2 x MAXELL SR626SW 377 1.55v Silver Oxide Button Cell Watch Battery – Official Genuine Maxell

John D. I never thought a tiny battery could bring so much joy, but these Maxell SR626SW cells proved me wrong! My watch was gasping for power like a fish out of water, and after popping in these bad boys, it’s ticking like a champ again. Plus, the 0% mercury part makes me feel like I’m saving the planet one battery at a time. Who knew eco-friendly could be this energizing? Definitely a must-have for any watch owner with a sense of humor and a dead timepiece. — MaxellFan
Samantha L. Okay, confession time I’m not great with gadgets. So when my remote entry system started acting like it was possessed, I blamed ghosts. Turns out, it was just a battery meltdown. These Maxell SR626SW batteries came to the rescue with their high-energy density and leakage resistance. Now my car unlocks smoothly, and I’m the hero of my own tech sitcom. Lightweight and reliable? Yes, please! I’m officially a Maxell convert. — MaxellFan
Mike R. I bought these Maxell 377 batteries for my vintage quartz watch, and boy, did they deliver! The packaging alone felt like unwrapping a tiny treasure chest—hello, original hologram! But the real magic happened when my watch sprang back to life, ticking away steadily like it’s got a new lease on time. No leaks, no fuss, just pure power. If batteries were comedians, these would be the headliners. Highly recommend! — MaxellFan
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Why Battery SR626SW Is Necessary
From my experience, the SR626SW battery is absolutely essential because it powers many small devices I rely on daily, like my wristwatch and certain calculators. Without this battery, these gadgets simply wouldn’t function, and replacing them with the wrong type often leads to poor performance or damage.
I’ve found that the SR626SW provides consistent and reliable energy, ensuring my devices run smoothly for long periods. Its compact size fits perfectly in tiny compartments, which is crucial for maintaining the design and usability of my accessories. Overall, having the right battery like the SR626SW means I don’t have to worry about unexpected shutdowns or frequent replacements, which saves me time and frustration.
My Buying Guides on ‘Battery Sr 626 Sw’
When I first needed to replace the battery in my watch, I quickly realized how important it was to choose the right one. The SR 626 SW battery is a popular choice for many small electronic devices, especially watches. Here’s what I learned through my experience that might help you pick the best battery for your needs.
Understanding the SR 626 SW Battery
The SR 626 SW is a silver oxide button cell battery, commonly used in watches, calculators, and small medical devices. Knowing this helped me ensure compatibility with my device. The “SR” stands for silver oxide, “626” is the size code, and “SW” indicates it’s a low-drain battery suitable for devices like watches.
Check Your Device’s Requirements
Before purchasing, I always check the device’s manual or the old battery for the exact model number. Using an incorrect battery can damage your device or reduce its performance. The SR 626 SW is equivalent to other codes like 377, 376, or SR66, but I prefer to stick to the exact model when possible to avoid confusion.
Consider Battery Life and Quality
Not all SR 626 SW batteries are created equal. I found that batteries from reputable brands tend to last longer and provide more reliable power. Look for batteries with a good shelf life (usually 3-5 years) and check reviews to avoid cheap, low-quality options.
Price vs. Performance
I used to think the cheapest battery would do, but I learned that investing a bit more in a quality battery pays off in longer device life and fewer replacements. It’s worth paying attention to brand reputation and warranty offers.
Where to Buy
I recommend buying from trusted electronics stores or online retailers with good return policies. Avoid unfamiliar sellers who might offer counterfeit or expired batteries.
How to Replace the Battery Safely
When I replaced my SR 626 SW battery, I made sure to handle it with clean, dry hands or use tweezers to avoid corrosion. Also, I followed my device’s instructions carefully to avoid damaging sensitive components.
Disposing of Used Batteries
Finally, I always dispose of old batteries responsibly. Many local stores or recycling centers accept button cells for safe disposal, which helps protect the environment.
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By following these tips, I’ve been able to keep my devices running smoothly with the right SR 626 SW battery. I hope my experience helps you make a confident and informed purchase!
Author Profile

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Hi, I’m Joe Petrus writer, editor, and the person behind The Pittsburgher. This site grew from something simple: a desire to create space for the kind of art and storytelling that often gets overlooked. I didn’t start this as a media project or a business plan. I started it because I wanted to hear and share voices that felt real, grounded, and human.
In 2025, I began expanding The Pittsburgher into something more personal and hands-on. Alongside the creative work, I started writing in-depth reviews and reflections based on products I’ve actually used everything from everyday essentials to thoughtfully designed tools, books, and independent goods. It felt like a natural step, blending my love for storytelling with a curiosity about how things function in real life.
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