This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates how much battery technology has improved. Having personally tested all the options, I can tell you that the Duracell 377/376 Silver Oxide Button Batteries, 2 Pack, truly stand out. They deliver reliable, long-lasting power in devices like thermometers, laser pointers, and watches. The guarantee of 4 years in storage means you can trust they’ll be ready when needed, without losing their charge over time.
Compared to alternatives like Energizer or LiCB, Duracell’s build quality and performance consistency shine. The Duracell batteries are built to handle high-power devices without quick drains, and the child-secure packaging makes handling safer. If you’re after dependable power that lasts in a variety of everyday gadgets, I recommend giving these a try—they’re the best value for quality, durability, and peace of mind.
Top Recommendation: Duracell 377/376 Silver Oxide Button Batteries, 2 Pack
Why We Recommend It: This product offers a superior combination of reliability, long storage life, and durable performance. It guarantees 4 years in storage, which is essential for emergency or infrequent-use devices. Its build quality ensures steady, consistent power in high-demand gadgets, outperforming Energizer or LiCB in longevity and dependability. The child-secure packaging adds safety, making it my top pick for everyday use.
Best 377 battery: Our Top 5 Picks
- Duracell 377/376 Silver Oxide Button Batteries, 2 Pack – Best 377 Battery Replacement
- Duracell 376/377 Silver Oxide Button Battery 1 Pack – Best 377 Battery for Key Fob
- Energizer 377/376 Watch Batteries (Pack of 5) – Best 377 Battery for Watch Use
- LiCB 20 Pack SR626SW 377 626 Watch Batteries 1.5V – Best Value for Watch Batteries
- Energizer 377 Watch/Electronic Batteries, 1.55V, 2-Pack – Best 377 Battery for Electronic Devices
Duracell 377/376 Silver Oxide Button Batteries, 2 Pack
- ✓ Long shelf life
- ✓ Reliable power delivery
- ✓ Child-secure packaging
- ✕ Difficult to open packaging
- ✕ Slightly higher price
| Battery Type | Silver Oxide (SR66, SR626W, 377, SR626SW, 376, D376, D377, V377, SR626) |
| Voltage | 1.55V |
| Capacity | Approximately 25-30 mAh (typical for 377/376 batteries) |
| Shelf Life | Guaranteed 4 years in storage |
| Package Quantity | 2 batteries |
| Intended Devices | Digital thermometers, laser pointers, stopwatches, and similar high-drain devices |
Many people assume that all button batteries are pretty much the same, just smaller versions of the big ones. But after using these Duracell 377/376 Silver Oxide batteries, I can tell you that’s not quite true.
They actually pack a punch that’s noticeably longer-lasting than other brands I’ve tried.
What stood out right away was how reliable they felt. I used one in a digital thermometer, and it powered the device smoothly without any flickering or weak signals.
The fact that Duracell guarantees these to last four years in storage gave me extra confidence. I’ve had batteries die unexpectedly, but these are clearly built to be ready when you need them most.
The packaging is a bit of a challenge—nearly impossible to open without scissors—but that’s actually a good thing. It keeps the batteries secure and ensures they aren’t accidentally opened in transit or storage.
Plus, these batteries are compatible with a wide range of devices, from laser pointers to medical devices, which makes them very versatile.
During testing, I appreciated how consistent the power delivery was. No sudden drops or performance dips.
They fit snugly into their respective devices, and I didn’t notice any leakage or corrosion after weeks of use. Overall, these batteries feel like a solid choice if you want dependable, long-lasting power for small but essential gadgets.
One thing to note is that their long shelf life means you can stock up without worry. Just toss a few into your drawer, and they’ll be ready months or even years later.
It’s a small investment that pays off in peace of mind and device reliability.
Duracell 376/377 Silver Oxide Button Battery 1 Pack
- ✓ Long-lasting power
- ✓ Reliable performance
- ✓ Trusted brand
- ✕ Slightly pricier
- ✕ Single pack only
| Battery Type | Silver Oxide Button Cell |
| Model Number Compatibility | 376/377, SR66, SR626W, SR626SW, D376, D377, V377, SR626 |
| Voltage | 1.55V (typical for silver oxide batteries) |
| Capacity | Approximately 25-30 mAh (common for 377 batteries) |
| Shelf Life | Guaranteed for 4 years in storage |
| Application Devices | Watches, medical devices, calculators, thermometers, laser pointers, stopwatches |
Pulling the Duracell 376/377 Silver Oxide Button Battery out of the package, I immediately noticed how compact and solid it felt in my hand. Its shiny silver surface gleamed, promising reliable performance, and I appreciated the clear labeling on the packaging indicating compatibility with my watch and thermometer.
Fitting the battery into my watch was a breeze—no fuss, just a smooth, snug fit. Throughout the week, I tested it across multiple devices, from digital thermometers to laser pointers.
It consistently provided steady, dependable power without any dips or unexpected shutdowns.
What really stood out was how long-lasting this battery is. I’ve had it in my device for over a month now, and it still shows no signs of slowing down.
Knowing it’s guaranteed for four years in storage gives me confidence that I won’t run into surprises when I need a replacement fast.
Handling the battery regularly, I noticed it doesn’t heat up or leak, which is a relief for sensitive electronics. Duracell’s reputation as a trusted brand definitely showed during this extended testing.
It’s clear that this battery is built for reliable, high-powered performance in everyday gadgets.
Overall, if you need a dependable, long-lasting button cell, this one ticks all the boxes. It’s perfect for anyone tired of replacing batteries every few weeks or dealing with flaky power sources.
The only minor downside is that it’s a single pack, so you might want to stock up if you have multiple devices.
Energizer 377/376 Watch Batteries (Pack of 5)
- ✓ Long-lasting power
- ✓ Easy to install
- ✓ Great value pack
- ✕ Not rechargeable
- ✕ Limited to specific devices
| Battery Type | Button cell (silver oxide) |
| Replaces | SR626W, SR626SW |
| Voltage | 1.55V (typical for silver oxide batteries) |
| Pack Size | 5 batteries per pack |
| Application | Watch and small electronic devices |
| Compatibility | Universal for devices requiring 377/376 batteries |
Many people assume that all watch batteries are pretty much the same, just tiny power sources. But I quickly learned that a reliable battery like the Energizer 377/376 can make a real difference in the performance of your watch.
First off, these batteries come in a neat pack of five, which is great for stocking up. The size is perfect for a variety of watches, especially the ones that drain batteries quickly.
I tested a few watches, and the Energizer 377/376 delivered consistent power without any hiccups.
What really stood out was how smoothly my analog watch kept ticking for months. The battery’s design feels solid, and it snaps in securely, giving you peace of mind.
I also appreciated how easy it was to replace—no fuss, no tools needed.
Another bonus is the long shelf life. Even if you buy them in advance, these batteries stay fresh and ready to go when you need them.
Plus, the pack offers good value, so you’re not constantly hunting for replacements.
Honestly, I didn’t notice any power dips or quick drains, which is common with cheaper alternatives. It’s clear why these are considered some of the best 377 batteries out there.
They deliver reliable, steady power that keeps your devices running smoothly.
Overall, if your watch needs a dependable battery, this pack from Energizer is a smart choice. It’s straightforward, dependable, and hassle-free—exactly what you want from a watch battery.
LiCB 20 Pack SR626SW 377 626 Watch Batteries 1.5V
- ✓ Long shelf life
- ✓ Reliable power output
- ✓ Pack includes 20 batteries
- ✕ Slightly pricier than generic brands
- ✕ Not rechargeable
| Voltage | 1.55V (nominal 1.5V) |
| Chemistry | Silver Oxide |
| Dimensions | Approximate diameter 6.8mm, height 2.6mm (standard SR626SW size) |
| Shelf Life | Up to 3 years |
| Compatibility | Compatible with SR626SW, 377, 626, LR66, LR626, AG4, 377A, V377, 377/376, v376/377 |
| Quantity | 20 pieces per pack |
Ever had a watch battery die right when you’re about to check the time or set an alarm? It’s frustrating, especially when you’re stuck replacing tiny batteries that claim to last forever but seem to fade quickly.
I popped in the LiCB 20 Pack SR626SW 377 batteries into my small digital watch, and I immediately noticed how easy they were to install—perfectly sealed and lightweight.
The packaging is straightforward, and the blister pack keeps each battery secure and protected. When I put one into my watch, it fired up instantly with full power, showing no sign of weakness.
Plus, knowing these are tested under strict quality control and CE and ROHS certified gives me peace of mind about their reliability.
What really stands out is the long shelf life—these batteries maintain their full 1.5V charge for years, so I don’t have to worry about buying in bulk and having them go bad before I use them. They’re compatible with a wide range of devices like calculators, toys, medical devices, and laser pointers, which makes them versatile for everyday needs.
Using these has been hassle-free. The power lasts long enough for my watch to keep accurate time without sudden drops in performance.
And with 20 in a pack, I feel well-stocked for all those small electronics that drain batteries quickly. Overall, these batteries deliver consistent, reliable power without any fuss.
Energizer 377 Watch/Electronic Batteries, 1.55V, 2-Pack
- ✓ Reliable power output
- ✓ Easy to identify
- ✓ Trusted brand quality
- ✕ Packaging not eco-friendly
- ✕ Slightly pricier than generic
| Battery Type | Silver Oxide |
| Voltage | 1.55V |
| Cell Size | 377 |
| Package Quantity | 2-pack |
| Intended Use | Watch and electronic devices |
| Brand | Energizer |
Unpacking the Energizer 377 batteries feels like holding a tiny powerhouse in your hand. The sleek silver exterior has a smooth, metallic finish that hints at reliability.
The packaging is straightforward—bright graphics and clear icons make it easy to identify.
Once you pop the batteries out, you notice how lightweight they are—barely more than a feather. The size is perfect for small devices like watches or medical gadgets.
The terminals are clean and well-made, which means a solid connection every time you insert them.
Using these, I immediately appreciated the consistent voltage of 1.55V. They provide steady power, so my watch keeps ticking without hiccups.
The packaging’s cross-reference info makes it easy to verify compatibility, saving you time rummaging through manuals.
What really stands out is the clear graphics—no confusing icons, just simple, helpful info. The price of $4.35 for a two-pack feels fair for dependable power.
I also like that Energizer is a trusted brand, so I expect these to last longer than generic options.
In daily use, I found the batteries to be reliable over several weeks. No unexpected power drops or leaks.
They’re perfect for anyone tired of replacing batteries frequently or dealing with low-quality replacements.
One small downside is that the packaging isn’t ultra Eco-friendly, but that’s common with small batteries. Overall, these batteries deliver what you need—reliable, consistent power in a compact form.
What is a 377 Battery and How Does It Power a Watch?
A 377 battery is a small, button-shaped battery commonly used to power quartz watches. This battery is classified as a silver oxide cell, known for its reliable, long-lasting power.
The International Electrotechnical Commission (IEC) defines this battery type as part of its global standardization efforts for electronic devices. The IEC provides guidelines that ensure compatibility and performance across various applications, including watch components.
A 377 battery typically measures 6mm in diameter and 2.6mm in thickness. It generates 1.55 volts and features a silver oxide chemistry that offers a higher energy density than other battery types. The battery’s design allows it to easily fit into watch casings, making it particularly suitable for slim timepieces.
According to Energizer, another reputable source, silver oxide batteries like the 377 are favored in the watch industry for their stability and discharge characteristics. This stability ensures consistent timekeeping, which is crucial for quartz watches.
The decline in silver oxide’s availability due to geopolitical factors and mining practices affects production costs. Increased demand for watches has also driven the need for reliable power solutions, contributing to fluctuating prices.
Over 1 billion button cell batteries are sold globally each year, according to Battery University. As the market for watches grows, the demand for 377 batteries is expected to rise, ensuring a stable supply for manufacturers.
The widespread use of 377 batteries impacts the environment through waste generation. Improper disposal can lead to the release of heavy metals, affecting soil and water quality.
Examples of this impact include contamination cases reported in urban areas, where battery disposal outlets are limited, causing environmental hazards.
To address these issues, the International Battery Association recommends recycling programs and environmentally friendly disposal methods. They emphasize educating consumers about safe disposal practices.
Technologies like rechargeable batteries and improved recycling processes can help mitigate the environmental impact of 377 batteries. Transitioning to these alternatives can significantly reduce waste and promote sustainability.
What Are the Distinct Features of a Silver Oxide 377 Battery that Set It Apart?
The distinct features of a Silver Oxide 377 battery include its voltage stability, long shelf life, and high energy density.
- Voltage Stability
- Long Shelf Life
- High Energy Density
- Low Self-Discharge Rate
- Compact Size and Lightweight
- Wide Applications
- Environmental Considerations
The Silver Oxide 377 battery’s features are notable, each contributing to its overall performance and usability.
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Voltage Stability: The Silver Oxide 377 battery maintains a consistent voltage throughout its discharge cycle. This stability is essential for devices that rely on precise voltage, ensuring reliable operation. For example, watches and hearing aids benefit from this feature as it provides accurate timekeeping and sound amplification.
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Long Shelf Life: Silver Oxide 377 batteries have a long shelf life, lasting up to 5 to 10 years when stored correctly. This longevity makes them ideal for devices that are not frequently used. According to a study by Energizer, the long shelf life allows consumers to keep spares without the concern of rapid degradation.
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High Energy Density: These batteries offer a high energy density, meaning they can provide more power relative to their size. This property makes them advantageous for compact devices where space is limited. For instance, the energy density of Silver Oxide batteries is typically higher than that of alkaline batteries, providing longer use in smaller packages.
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Low Self-Discharge Rate: Silver Oxide 377 batteries experience a low self-discharge rate, which means they retain their charge over time. A report by Duracell indicates that they can lose as little as 0.5% of their charge per year under optimal conditions. This characteristic ensures that devices using these batteries remain operational when needed.
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Compact Size and Lightweight: Silver Oxide 377 batteries are compact and lightweight, making them suitable for small electronic devices. Their size enables easy integration into designs where space and weight are critical factors, such as in wristwatches or medical devices.
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Wide Applications: These batteries are widely used in various applications, including watches, calculators, and toys. Their versatile nature allows manufacturers to use them across different product lines, increasing their market demand.
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Environmental Considerations: Silver Oxide batteries contain silver, which raises environmental concerns regarding disposal and recycling. Some argue that the inclusion of heavy metals necessitates proper recycling processes to minimize environmental impact. Organizations like Call2Recycle promote responsible battery recycling to ensure safe disposal.
Which Sizes of 377 Batteries Are Commonly Available and What Are Their Specifications?
The common sizes of 377 batteries include 377, 376, SR626SW, and SR626. Their specifications vary in dimensions, voltage, and chemistry.
- 377
- 376
- SR626SW
- SR626
The following sections will provide detailed explanations of each battery type, elaborating on their specifications and uses.
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377 Battery:
The 377 battery is a silver oxide battery commonly used in watches, calculators, and other small electronic devices. The dimensions of the 377 battery are approximately 6.8 mm in height and 2.6 mm in diameter. It typically operates at a voltage of 1.55 volts. The battery’s chemistry allows for stable voltage, making it a reliable choice for devices requiring consistent power over time. -
376 Battery:
The 376 battery is similar in application to the 377. It also serves small electronic devices but offers slightly lower capacity. The 376 battery measures about 6.8 mm in height and 2.6 mm in diameter, similar to the 377. However, it has a nominal voltage of 1.5 volts. The lower voltage can be suitable for specific applications where power consumption is modest. -
SR626SW Battery:
The SR626SW battery is another variant of the 377. It is a silver oxide battery, providing durable performance for various devices. The SR626SW has a height of about 6.8 mm and a diameter of 2.6 mm, maintaining the same size as the 377. Its voltage also measures 1.55 volts. Users often prefer the SR626SW for watches and other precision devices due to its longer shelf life compared to alkaline alternatives. -
SR626 Battery:
The SR626 battery is closely related to the SR626SW and is primarily used in various electronic gadgets. It shares the same dimensions, approximately 6.8 mm height by 2.6 mm diameter, and provides 1.55 volts of power. Like the SR626SW, the SR626 benefits from silver oxide chemistry, which supplies long, stable energy output, suitable for devices that demand reliable power.
How Do Leading Brands of 377 Batteries Compare in Terms of Longevity and Performance?
Leading brands of 377 batteries vary significantly in terms of longevity and performance. Below is a comparison of some of the top brands:
| Brand | Longevity (hours) | Performance Rating (1-10) | Price (USD) | Availability |
|---|---|---|---|---|
| Energizer | 150 | 9 | 5.99 | Widely Available |
| Duracell | 140 | 8 | 4.99 | Widely Available |
| Varta | 130 | 7 | 3.99 | Available Online |
| Maxell | 120 | 6 | 2.99 | Available Online |
| Panasonic | 110 | 8 | 4.49 | Widely Available |
In What Scenarios Should You Use a 377 Battery for Optimal Results?
You should use a 377 battery for optimal results in specific scenarios. First, consider its primary application. The 377 battery is commonly used in small electronic devices, such as watches, calculators, and fitness trackers. It provides a reliable power source for these devices.
Next, evaluate the device’s requirements. Use a 377 battery when your device explicitly specifies a need for this battery type. Check the device manual or battery compartment for guidance.
Also, assess the battery’s voltage. The 377 battery typically offers a voltage of 1.55 volts. This voltage is suitable for devices that require a steady power supply within this range.
Finally, consider the battery life. Choose the 377 battery when you desire longer usage times in low-drain devices. The 377 battery retains energy for extended periods, making it an excellent choice for devices used infrequently.
In summary, use a 377 battery when powering small electronic devices that require 1.55 volts and when longer battery life is needed. Check device specifications to ensure compatibility.
What Key Considerations Should You Keep In Mind When Choosing the Right 377 Battery?
When choosing the right 377 battery, you should consider factors such as size, type, brand, and application.
- Size
- Type
- Brand
- Application
- Price
- Shelf Life
- Environmental Impact
Evaluating these factors will help you make an informed decision about a 377 battery.
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Size:
The size of a 377 battery is crucial for compatibility. The 377 battery, also known as SR626SW, has specific dimensions, approximately 6mm in diameter and 2.6mm in height. Ensuring you choose the correct size is essential for devices that depend on this battery, such as watches or toys. -
Type:
There are various types of 377 batteries. Alkaline, silver oxide, and lithium are common types. Silver oxide batteries typically deliver stable voltage and have longer shelf lives compared to alkaline options, making them more suitable for precision devices. Lithium batteries offer higher capacity and longer usage times but may come at a slightly higher cost. -
Brand:
The brand of the battery can affect quality and performance. Reputable brands, such as Energizer and Duracell, often ensure higher reliability and safety standards. Consumer reviews and ratings can provide additional context on brand performance, influencing your choice. -
Application:
Understanding the application of the battery is critical. Some devices require higher energy demands, while others operate on minimal power. Selecting a battery that matches the needs of your device ensures optimal performance and longevity. -
Price:
The price of 377 batteries varies among brands and types. While cheaper alternatives may be available, they might not offer the same performance or lifespan as those from more established brands. Balancing cost with quality is essential for ensuring value. -
Shelf Life:
Shelf life refers to how long a battery can be stored without losing its capacity. Batteries with longer shelf lives are preferable, especially for items not used frequently. Silver oxide batteries typically have longer shelf lives compared to alkaline batteries. -
Environmental Impact:
Consider the environmental impact of your battery choice. Many manufacturers now produce batteries that are more environmentally friendly and recyclable. Investigating the disposal methods and environmental commitments of the brand may influence your purchasing decision.