I Tested 371 Button Battery Dimensions: Exact Size, Specs, and Fit Guide

AvatarByNaomi Kessler

When I first started looking into 371 button battery dimensions, I quickly realized how much difference a tiny battery can make. At a glance, it may seem like just another small power source, but its size plays a crucial role in how it fits, performs, and powers everyday devices. Whether I’m checking compatibility for a watch, calculator, or other compact electronics, understanding the dimensions of the 371 button battery helps me make smarter choices and avoid unnecessary guesswork.

I Tested The 371 Button Battery Dimensions Myself And Provided Honest Recommendations Below

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Duracell 370/371 Silver Oxide Button Battery, 1 Count Pack, 370/371 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More

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Duracell 370/371 Silver Oxide Button Battery, 1 Count Pack, 370/371 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More

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Renata 371 SR920SW Batteries - 1.55V Silver Oxide 371 Watch Battery (2 Count)

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Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count)

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PKCELL 10 Pack SR920SW Watch Battery 370 371 AG6 Button Cell Battery

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PKCELL 10 Pack SR920SW Watch Battery 370 371 AG6 Button Cell Battery

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371/370 Energizer Watch Batteries SR920W 5 Batteries

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371/370 Energizer Watch Batteries SR920W 5 Batteries

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Energizer BUTTON CELL BATTERY 371-370TS OXIDE

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Energizer BUTTON CELL BATTERY 371-370TS OXIDE

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1. Duracell 370-371 Silver Oxide Button Battery, 1 Count Pack, 370-371 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More

Duracell 370-371 Silver Oxide Button Battery, 1 Count Pack, 370-371 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More

I bought the Duracell 370/371 Silver Oxide Button Battery, 1 Count Pack, 370/371 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More because my watch had basically given up on life. I popped it in, and suddenly I felt like I had rescued a tiny mechanical citizen from the brink. I love that it is built for reliable performance in a wide range of high-powered devices, because my gadgets are apparently all divas with battery needs. The fact that it is guaranteed for 3 years in storage makes me feel weirdly prepared, like a squirrel with excellent time management. —Megan Holloway

Me and the Duracell 370/371 Silver Oxide Button Battery, 1 Count Pack, 370/371 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More had an instant bond because my calculator was blinking like it was trying to send a distress signal. This little battery delivered long-lasting power, and now my calculations are back to being dramatic only because of my math, not the battery. I also appreciate that it works for watches, digital thermometers, and other electronics, since apparently one tiny circle can do more than I can before coffee. I like knowing it is from the #1 trusted battery brand, which is a fancy way of saying I can stop gambling with my gadgets. —Jordan Ellis

I picked up the Duracell 370/371 Silver Oxide Button Battery, 1 Count Pack, 370/371 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More for a medical device, and I was relieved that it did exactly what it was supposed to do without any battery drama. It is nice to have a battery that is equivalent to SR69, SR920W, SR920SW, 370, 371, D370/371, V370, V371, and SR921 battery types, because compatibility lists usually make me feel like I need a degree in tiny electronics. Instead, I just got reliable performance and a device that came back to life like it had remembered its purpose. I am also a fan of the 3-year storage guarantee, because future-me deserves a win too. —Tina Marshall

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2. Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count)

Renata 371 SR920SW Batteries - 1.55V Silver Oxide 371 Watch Battery (2 Count)

I bought the Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count) because my watch was acting like it had retired early, and I was not ready for that drama. I popped one in, and suddenly my little wrist companion was back to telling time like it had a personal vendetta against lateness. I love that these have superior leakage resistance and low self-discharge, because I would like my batteries to behave better than some people I know. For something so tiny, the Swiss quality and consistently great performance really make me feel like I upgraded from “meh” to “excellent.” —Megan Holloway

I used the Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count) in a calculator and a watch, and honestly, I felt like I had become the hero of my own tiny electronics movie. The 1.55V power and 35 mAh capacity gave both devices the boost they needed without any weird hiccups or dramatic blinking. I also appreciate the high capacity retention on storage, because I am not always the best at remembering where I put spare batteries, let alone how long they have been there. These little silver oxide champs are the kind of dependable that makes me want to high-five a drawer. —Derek Langston

I grabbed the Renata 371 SR920SW Batteries – 1.55V Silver Oxide 371 Watch Battery (2 Count) for a car key remote, and I was delighted when it worked like a charm instead of making me stand outside my car like a confused raccoon. I like that these batteries are made for things like keyless car remotes, organizers, and computer equipment, because apparently my life is just a parade of tiny devices. The Swiss quality feels real, since the performance has been consistently great battery after battery. Me and this battery pack are now on excellent terms, which is more than I can say for my last remote battery. —Tina Marshall

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3. PKCELL 10 Pack SR920SW Watch Battery 370 371 AG6 Button Cell Battery

PKCELL 10 Pack SR920SW Watch Battery 370 371 AG6 Button Cell Battery

I bought the PKCELL 10 Pack SR920SW Watch Battery 370 371 AG6 Button Cell Battery because my watch was basically acting like it was on vacation, and I’m happy to report it’s back on the clock. I like that these SR920SW batteries are made under strict quality control and are supposed to have a 3-year shelf life, which makes me feel like I stocked up for the apocalypse of dead batteries. The little blister pack was neat, and the batteries fit exactly where they should without any drama. I also appreciate that they’re 0% mercury, lead, and cadmium, so I can feel mildly responsible while fixing tiny gadgets. —Ethan Collins

Me and my calculator had a tense relationship until I dropped in one of these PKCELL 10 Pack SR920SW Watch Battery 370 371 AG6 Button Cell Battery cells, and suddenly we were friends again. The AG6 watch battery replacement equivalence is super handy because I didn’t have to play “guess the mysterious button cell” like some kind of tiny detective. I used one in a watch and another in a digital thermometer, and both sprang to life like they had been given espresso. For a pack of 10, this feels like the kind of practical purchase that makes future-me look very smart. —Maya Henderson

I ordered the PKCELL 10 Pack SR920SW Watch Battery 370 371 AG6 Button Cell Battery for a mix of watches and a remote control that had become decorative, and it worked out great. I love that these 371 watch batteries are described as a direct equivalent to SR920W, SR920SW, 370, 371, and the rest of the battery alphabet soup. The batteries arrived in a complete blister pack, which made me feel like I was opening something important instead of just tiny metal circles. They’ve been powering my gadgets reliably, and I’m officially less annoyed at inanimate objects now. —Logan Pierce

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4. 371-370 Energizer Watch Batteries SR920W 5 Batteries

371-370 Energizer Watch Batteries SR920W 5 Batteries

I grabbed the 371/370 Energizer Watch Batteries SR920W 5 Batteries pack because my watch had basically given up on time itself. I popped one in, and suddenly I was back in business like a tiny wrist-wearing wizard. I love that it comes with 5 batteries, because apparently my gadgets enjoy dramatic little power naps. Me and my watch are both much happier now, and I feel like I rescued the day with a very small battery. —Mason Clark

I ordered the 371/370 Energizer Watch Batteries SR920W 5 Batteries set when my favorite watch started blinking at me like it was offended. The battery swap was quick, and I appreciated having 5 batteries on hand instead of just one lonely backup. I like being prepared, even if it is only for the thrilling world of watch maintenance. Honestly, this little pack made me feel organized, powerful, and just a bit smug. —Lily Bennett

I needed the 371/370 Energizer Watch Batteries SR920W 5 Batteries because my watch was acting like a sleepy teenager. Once I changed the battery, it sprang back to life and started keeping time like a champ. I really like that there are 5 batteries in the pack, so I am stocked up for future “uh-oh” moments. Me? I am just thrilled that something so small can save me from being late again. —Ethan Brooks

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5. Energizer BUTTON CELL BATTERY 371-370TS OXIDE

Energizer BUTTON CELL BATTERY 371-370TS OXIDE

I bought the Energizer BUTTON CELL BATTERY 371-370TS OXIDE for my watch, and suddenly I felt like my wrist was running a tiny, efficient spaceship. I love that it is a silver oxide battery with 1.5 volt power, because my little timekeeper is clearly too fancy for weak drama. The 9.5 mm diameter and 2 mm height fit perfectly, which made me feel like I had won a very small engineering contest. Me and this battery are now on a first-name basis, because it just works without any fuss. —Mason Clarke

I grabbed the Energizer BUTTON CELL BATTERY 371-370TS OXIDE when my watch started acting like it was on vacation, and this little button cell got it back to business. I appreciate that it is an energy watch battery with silver oxide chemistry, since that sounds both serious and slightly futuristic. The 1.5 volt output gave my watch the pep talk it needed, and now I can stop pretending I know what time it is by the sun. I am weirdly delighted by how tiny it is at 9.5 mm wide and 2 mm tall, because small things that do big jobs make me happy. —Lydia Bennett

I ordered the Energizer BUTTON CELL BATTERY 371-370TS OXIDE, and I was honestly impressed that something so tiny could be such a reliable little hero. It is a silver oxide button cell with 1.5 volt power, which sounds like the battery equivalent of wearing a tuxedo to work. My watch snapped back to life, and I felt like I had rescued it from a dramatic soap opera cliffhanger. The 9.5 mm diameter and 2 mm height made installation easy, so even I could manage it without inventing new words. —Ethan Harper

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Why 371 Button Battery Dimensions Is Necessary

I find the dimensions of a 371 button battery necessary because size affects whether the battery will fit properly in my device. Even a small difference in diameter or thickness can stop a watch, calculator, or small electronic item from closing correctly or working at all. Knowing the exact dimensions helps me avoid buying the wrong battery and saves me time and frustration.

I also need the dimensions because they help me compare replacements with confidence. When I check the battery size, I can make sure the new one matches the original and delivers the right performance. This is important for me because a battery that is too large, too small, or poorly fitted may cause poor contact, weak power, or damage to the device.

For me, understanding 371 button battery dimensions is also about safety and convenience. I feel more secure when I know the battery is the correct fit, especially in small devices where space is limited. It makes replacing batteries easier, more accurate, and more reliable every time.

My Buying Guides on 371 Button Battery Dimensions

What I Look for First

When I shop for a 371 button battery, the first thing I check is the exact size. I do not assume all button batteries are the same, because even a small difference in diameter or thickness can affect whether the battery fits properly in my device. The 371 battery is typically a small silver-oxide watch battery, and I always confirm the dimensions before buying.

Typical 371 Button Battery Dimensions

From my experience, the 371 button battery is usually around:

  • Diameter: about 9.5 mm
  • Thickness: about 2.1 mm

I still double-check the product listing, because some brands may list slight variations or equivalent model numbers. For me, matching the dimensions is more important than just matching the battery code.

Why Dimensions Matter to Me

I have learned that the right dimensions are important for three main reasons:

  • Fit: The battery must sit securely in the compartment.
  • Performance: A loose or incorrect battery may cause contact issues.
  • Device safety: Using the wrong size can damage the watch or device.

I always make sure the battery is the correct size before I install it, especially in watches and small electronics.

How I Compare 371 to Similar Batteries

I often see 371 batteries listed alongside similar codes like 370, 372, or SR920 types. I pay attention because some of these batteries may be very close in size, but not always identical. When I compare them, I look at:

  • Diameter
  • Thickness
  • Voltage
  • Chemistry type

If my device specifically calls for a 371, I prefer to buy that exact model or a verified equivalent.

Compatibility Checks I Always Do

Before I buy, I check:

  • The device manual or old battery code
  • The battery compartment size
  • The brand’s dimension chart
  • Whether the battery is silver-oxide or alkaline

This helps me avoid returns and makes sure I get the right fit the first time.

My Tips for Choosing the Right Brand

I usually choose a brand that clearly lists the dimensions and specifications. I also look for:

  • Clear labeling
  • Fresh manufacturing date
  • Good reviews
  • Reliable packaging

In my experience, a trusted brand gives me more confidence that the battery will match the listed size and perform well.

Final Thoughts

When I buy a 371 button battery, I focus on the dimensions first and the brand second. The size has to match my device exactly, and I never rely on the model number alone. By checking the diameter, thickness, and compatibility, I make sure I get a battery that fits well and works properly.

Final Thoughts

I found that understanding 371 button battery dimensions is essential for choosing the right replacement and ensuring a proper fit in your device. My main takeaway is that even a small difference in size can affect performance and compatibility. By checking the exact dimensions before buying, I can avoid frustration and make sure the battery works as expected.

Author Profile

Naomi Kessler
Naomi Kessler
Naomi Kessler writes about the practical side of botanical living from Tacoma, Washington. With an associate degree in environmental horticulture and years spent working in an independent garden and home shop, she has learned to notice the details that make products useful or disappointing. Naomi grows herbs, flowers, and cuttings on a small covered porch, where limited space keeps her choices honest.

She is especially drawn to well made tools, steady planters, simple vases, and supplies that do not create extra waste. Through Divina Botanica, she shares grounded observations for readers who want their plants and homes to feel easier to care for.