TXY 10pcs/Pack AG4 Alkaline Cell Battery
4.6Editor score
Mercury free construction
Stainless steel sealing
Low self discharge rate
In this guide
Finding the right power source for your timepiece is essential for consistent performance. The 377A watch battery is a standard choice for many quartz movements and small electronics requiring stable voltage and long life.
We analyzed ten highly rated options based on customer feedback and technical specifications. Our comparison focuses on capacity, shelf life, leak protection, and compatibility with common device models to help you make an informed decision.
Each selection highlights unique strengths like high discharge rates or eco friendly materials. Keep in mind that availability and costs may vary over time, so checking current listings ensures you get the best value for your needs.
Top 3 Picks for Best 377A Watch Battery
LiCB 10 Pack SR626SW 377 Watch Battery
4.7Editor score
High capacity silver oxide cells
Leak proof technology included
Three years shelf life
Duracell 377/376 Silver Oxide Button Batteries
4.7Editor score
Four year storage guarantee
Child secure packaging
Wide device compatibility
Top 10 Best 377A Watch Battery in 2026 Compared
This side-by-side table outlines the key specifications and features of the top ranked options to help you quickly identify the best match for your device requirements.
ProductsSpecificationsEditor scorePrice
Best Budget
TXY 10pcs/Pack AG4 Alkaline Cell Battery
Voltage 1.55V
Capacity 20mAh
Type Alkaline
Shelf Life 4 Years
4.6Editor score
Editor's Choice
LiCB 10 Pack SR626SW 377 Watch Battery
Voltage 1.55V
Type Silver Oxide
Shelf Life 3 Years
Pack Size 10 Pieces
4.7Editor score
Best Premium
SR626SW Watch Batteries 377 376 LR626 Battery
Voltage 1.5V
Type Alkaline
Shelf Life 2 Years
Application Watches and Clocks
4.7Editor score
Energizer 377/376 Watch Batteries (Pack of 5)
Type Button Cell
Replaces SR626W
Replaces SR626SW
Pack Size 5 Pieces
4.7Editor score
LOOPACELL 377/376 / SR626W / SR626SW
Voltage 1.55V
Type Silver Oxide
Leak Proof Tech
Pack Size 5 Pieces
4.6Editor score
10pcs 1.5V AG4 LR626 Alkaline Button Battery
Diameter 6.8mm
Type Alkaline
High Energy Density
Pack Size 10 Pieces
4.7Editor score
LiCB 20 Pack SR626SW 377 626 Watch Battery
Voltage 1.5V
Type Silver Oxide
Shelf Life 3 Years
Pack Size 20 Pieces
4.7Editor score
SKOANBE 10Pack SR626SW 377 LR626 AG4
Voltage 1.5V
Shelf Life 3 Years
Type Silver Oxide
Pack Size 10 Pieces
4.6Editor score
Duracell 377/376 Silver Oxide Button Batteries
Shelf Life 4 Years
Child Secure Packaging
Type Silver Oxide
Pack Size 2 Pieces
4.7Editor score
DURNERGY SR626SW Watch Battery 10 Pack
Voltage 1.5V
Anti Misalignment Design
Type Alkaline
Pack Size 10 Pieces
4.7Editor score
1. LiCB 10 Pack SR626SW 377 Watch Battery – Best Overall 377A Watch Battery
LiCB 10 Pack SR626SW 377 Watch Battery
High capacity silver oxide
Leak proof technology
Three years shelf life
Multiple device compatibility
The LiCB 10 Pack SR626SW 377 Watch Battery offers a strong combination of performance and value for everyday users. With a high capacity silver oxide design, these batteries deliver consistent power to your watch or small electronics.
Pros
- Reliable power output
- Leak proof design
- Long shelf life
- Affordable price point
- Easy to open packaging
Cons
- May not fit all watches
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Users appreciate the leak proof technology which helps prevent corrosion inside the device compartment. The batteries maintain a full 1.5 volt charge and come with a three year shelf life ensuring readiness when needed most.
While some may find the pack size limiting for bulk buyers, the quality control standards ensure each cell performs reliably. The CE and ROHS certified Grade A cells provide peace of mind regarding safety and efficiency.
This choice is ideal for anyone needing a dependable replacement for standard quartz watches. Its versatility across toys calculators and medical devices makes it a practical option for household stockpiling.
Reliable Power Output
The silver oxide chemistry ensures stable voltage delivery over time reducing the risk of sudden device shutdown.
Leak Proof Design
Specialized sealing techniques prevent fluid leakage which protects sensitive electronic components from damage.
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2. TXY 10pcs/Pack AG4 Alkaline Cell Battery – Best Budget 377A Watch Battery
TXY 10pcs/Pack AG4 Alkaline Cell Battery
20mAh capacity
1.55V voltage
Mercury free
Low self discharge
The TXY 10pcs/Pack AG4 Alkaline Cell Battery is an excellent choice for cost conscious shoppers seeking reliable power. It features a 20mAh capacity and operates at 1.55V making it suitable for various small electronics.
Pros
- Eco friendly materials
- Stainless steel case
- Long storage time
- Affordable cost
- Wide compatibility
Cons
- Lower capacity than silver oxide
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Its production process avoids harmful substances like lead and mercury ensuring environmental safety. The stainless steel appearance provides good sealing performance which enhances safety and extends the battery's lasting power.
While alkaline chemistry may not match silver oxide in long term consistency, the low self discharge rate allows for up to four years of storage. This makes it a practical buy for occasional use or emergency kits.
This option suits users who prioritize value without compromising basic performance standards. The wide range of compatible models means you can use it in many common household gadgets and toys.
Mercury Free Construction
The environmentally safe production process protects both users and the planet from toxic waste accumulation.
Stainless Steel Sealing
A robust steel casing prevents air and moisture ingress ensuring long term reliability during storage.
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3. Duracell 377/376 Silver Oxide Button Batteries – Best Premium 377A Watch Battery
Duracell 377/376 Silver Oxide Button Batteries
Four year storage
Child secure packaging
Silver oxide type
Wide device range
Duracell is a name many trust for essential household items and this 377/376 Silver Oxide Button Battery lives up to that standard. It provides long lasting power suitable for digital thermometers and stopwatches.
Pros
- Trusted brand reputation
- Long storage guarantee
- Safety focused design
- Reliable performance
- Easy to identify
Cons
- Smaller pack size
- Higher price per unit
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A standout feature is the guaranteed four year storage life giving users confidence in readiness. The child secure packaging adds a layer of safety making it nearly impossible to open without tools.
The only drawback is the smaller pack size which may require frequent repurchasing for heavy users. However the quality control and brand reputation justify the higher price for those prioritizing reliability.
If you need a top tier battery for critical devices this is a strong candidate. Its broad compatibility ensures it fits most standard models requiring a 377A equivalent power source.
Guaranteed Storage Life
A four year storage promise ensures the battery remains viable and fully charged for long periods.
Child Secure Packaging
Special packaging designs prevent accidental access by children enhancing safety for households with young kids.
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4. SR626SW Watch Batteries 377 376 LR626 Battery – Reliable Standard 377A Watch Battery
SR626SW Watch Batteries 377 376 LR626 Battery
Full 1.5V charge
Stable voltage
High discharge efficiency
Wide application
These SR626SW Watch Batteries offer a solid option for those needing a direct replacement for common watch models. They provide a full 1.5V charge and maintain stable voltage to protect your equipment.
Pros
- Stable voltage output
- High discharge efficiency
- Wide model compatibility
- Good packaging
- Affordable pricing
Cons
- Shorter shelf life than silver oxide
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The high discharge efficiency ensures the battery delivers power effectively over its lifespan. This is particularly useful for devices that require consistent energy flow to avoid timing inaccuracies.
While the two year shelf life is shorter than some silver oxide options it remains adequate for most users. The stable voltage helps prevent device damage which is a key consideration for long term use.
This choice is suitable for general household needs where cost and availability matter. Its broad compatibility range means you can rely on it for watches calculators and other small electronics.
Stable Voltage Output
Consistent voltage levels protect sensitive electronics from fluctuations that could cause malfunctions.
High Discharge Efficiency
Efficient energy release ensures the battery lasts longer in devices with higher power demands.
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5. Energizer 377/376 Watch Batteries (Pack of 5) – Compact 377A Watch Battery
Energizer 377/376 Watch Batteries (Pack of 5)
Button type cell
Replaces SR626W
Replaces SR626SW
Pack of 5
Energizer is a household name known for dependable power solutions and these 377/376 Watch Batteries continue that trend. They are designed as direct replacements for SR626W and SR626SW models.
Pros
- Trusted brand
- Compact packaging
- Direct replacement
- Reliable power
- Easy to store
Cons
- Limited quantity in pack
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The compact packaging makes it easy to store in a drawer or toolbox without taking up much space. This convenience is valuable for users who need a quick fix without bulk.
While the pack of five may not be ideal for stocking up, it serves well for immediate needs. The reliable power ensures your watch runs smoothly without unexpected interruptions or performance drops.
Ideal for someone needing a few replacements quickly this option provides ease and trust. It is a good fit for standard watches and small devices requiring a precise voltage match.
Direct Replacement
Designed to fit common models exactly reducing guesswork when selecting a new power source.
Compact Packaging
Small size allows for easy storage and portability ensuring you always have a spare on hand.
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6. LOOPACELL 377/376 / SR626W / SR626SW – Durable 377A Watch Battery
LOOPACELL 377/376 / SR626W / SR626SW
Advanced silver oxide
Leak proof tech
Ready to use
Pack of 5
LOOPACELL focuses on premium quality batteries and this pack reflects that commitment to performance. Each battery features advanced silver oxide chemistry guaranteeing high power and long life for various devices.
Pros
- Advanced chemistry
- Anti corrosion elements
- Instant power boost
- Easy packaging
- Versatile use
Cons
- Average price point
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Leak proof technology and anti corrosion elements ensure a stable supply even after years of use. This is particularly important for devices used intermittently where battery degradation could cause damage.
The packaging is convenient and easy to open allowing for immediate use when needed. You can rely on these batteries to provide an instant power boost for watches or remote controls.
This option is great for those needing reliable performance across multiple device types. Its versatility makes it a solid choice for anyone managing a range of battery powered electronics at home.
Advanced Silver Oxide
Superior chemistry ensures higher energy density and longer run times compared to standard alkaline cells.
Anti Corrosion Elements
Special coatings prevent corrosion and maintain the integrity of the battery and the device interior.
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7. 10pcs 1.5V AG4 LR626 Alkaline Button Battery – Versatile 377A Watch Battery
10pcs 1.5V AG4 LR626 Alkaline Button Battery
6.8mm diameter
High energy density
Long lifespan
Wide use cases
These 1.5V AG4 LR626 Alkaline Button Batteries are designed for continuous power delivery in small devices. With a diameter of approximately 6.8mm they fit most standard watch and toy compartments.
Pros
- Optimal size
- High energy density
- Wide usage range
- Affordable price
- Easy to handle
Cons
- Shorter lifespan than premium
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High energy density and long lifespan make them suitable for daily use without frequent replacement. The consistent power ensures your watches and calculators run smoothly throughout their expected life.
While not the longest lasting option on the market they offer excellent value for everyday needs. The wide range of compatible devices means you can use them for cameras digital cameras and remote controls.
This choice is ideal for those seeking a balance of performance and affordability. It works well for general consumers who need reliable power for a variety of small electronic items.
High Energy Density
A compact design that delivers significant power relative to its size for extended use in small devices.
Long Lifespan
Engineered to provide consistent energy over time reducing the need for frequent replacements.
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8. LiCB 20 Pack SR626SW 377 626 Watch Battery – Bulk Value 377A Watch Battery
LiCB 20 Pack SR626SW 377 626 Watch Battery
Grade A cells
Three years shelf life
Multiple compatibility
Pack of 20
This 20 Pack from LiCB offers exceptional value for those needing a steady supply of batteries. The Grade A cells ensure longer battery life and consistent power for your watches and electronics.
Pros
- High capacity pack
- Grade A quality
- Good storage time
- Value for money
- Versatile models
Cons
- Bulk size may be too large
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With a three year shelf life you can stock up without worrying about expiration. The multiple compatibility list covers common models making it a versatile choice for any household with diverse electronics.
The pack size is large which can be ideal for families or organizations but may be too much for single users. The value proposition is strong when considering the quality and performance of each cell.
Ideal for bulk buyers this option provides convenience and cost savings. It is a practical choice for anyone needing to maintain multiple devices over a long period.
Grade A Quality
Top tier cells ensure reliability and longevity reducing the risk of early failure.
Multiple Compatibility
Covers a wide range of models ensuring you can use the same batteries for different devices.
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9. SKOANBE 10Pack SR626SW 377 LR626 AG4 – Fresh Stock 377A Watch Battery
SKOANBE 10Pack SR626SW 377 LR626 AG4
Fresh batteries
Full 1.5V
Shelf life 3 years
Multiple models
SKOANBE provides fresh SR626SW batteries that arrive ready to use in your devices. The full 1.5 volt charge ensures immediate performance without any delay or need for testing.
Pros
- Fresh stock guaranteed
- Safe handling tips
- Three year storage
- Full voltage charge
- Compatible with many
Cons
- Limited brand history
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Packaging and instructions emphasize safe handling to avoid short circuits which protects both the user and the battery. This attention to detail adds value for those unfamiliar with button cell safety.
With a three year shelf life these batteries are reliable for storage in a drawer. The wide compatibility range means you can use them in watches toys and small electronics confidently.
This is a solid option for regular users who need dependable power for daily gadgets. The focus on freshness and safety makes it a trustworthy choice for many households.
Fresh Stock Guaranteed
Batteries are processed and packed to ensure maximum freshness upon delivery for optimal performance.
Safe Handling Tips
Clear instructions help prevent accidental damage or injury during installation and storage.
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10. DURNERGY SR626SW Watch Battery 10 Pack – Eco Friendly 377A Watch Battery
DURNERGY SR626SW Watch Battery 10 Pack
Wide temperature range
Eco friendly materials
Anti-misalignment design
Sealed steel case
DURNERGY brings over 18 years of industry experience to this product with a focus on quality and safety. The batteries feature a wide temperature range ensuring they function normally in varied conditions.
Pros
- Environmentally safe
- Anti-misalignment design
- Wide temperature use
- Prevents leakage
- 18 years experience
Cons
- Newer brand option
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Eco friendly construction means they do not contain harmful substances like lead or mercury. This allows for straightforward disposal and reduces environmental impact while maintaining high performance.
The anti-misalignment design allows individual removal without disturbing others in the pack. This is a thoughtful feature for users who do not need to use the entire pack at once.
This is a great choice for eco conscious consumers looking for reliable power. Its design and materials ensure both device protection and environmental responsibility.
Eco Friendly Materials
Absence of toxic substances makes disposal safer and reduces the environmental footprint.
Anti Misalignment Design
Individual cutting allows easy access without disturbing the remaining batteries in the pack.
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Buying Guide – How to Choose the Best 377A Watch Battery
Selecting the right battery involves understanding your device needs and comparing key factors like chemistry shelf life and safety features.
Battery Chemistry
The chemical composition of a battery dictates its performance and lifespan. Silver oxide batteries typically offer more stable voltage and longer life than alkaline options making them ideal for precision watches.
For most watches silver oxide is the preferred choice due to consistency. Alkaline cells are acceptable for devices with lower power demands or where cost is a primary concern.
Shelf Life
Shelf life refers to how long a battery can remain unused before losing significant charge. Many premium brands offer guarantees of three to four years ensuring readiness when needed.
Look for options with at least three years of storage capacity if you plan to stock up for future use or emergency needs.
Leak Protection
Leakage can damage internal components of watches and electronics so it is crucial to choose batteries with effective sealing technology. Brands that highlight leak proof tech often use better seals or materials.
Prioritize models that specifically mention anti corrosion or leak proof features to protect your device.
Device Compatibility
A 377A battery can have many names such as SR626SW or AG4 so verifying compatibility with your device is essential. Check the manual or existing battery marking before purchasing.
Always confirm the exact model requirement to ensure the new battery fits and provides the correct voltage.
Safety Features
Safety features like child secure packaging or handling instructions prevent accidents during storage and use. These elements are especially important in households with children.
Look for packaging that requires tools to open or includes clear warnings about handling to ensure user safety.
Packaging and Quantity
Packs vary from single units to bulk boxes of twenty. Consider your usage rate to decide if a single pack or bulk purchase is more cost effective.
If you have multiple devices buying in bulk can save money over time. Ensure the packaging keeps batteries separated to prevent short circuits.
Brand Reputation
Established brands often have stricter quality control processes resulting in more reliable products. However emerging brands may offer competitive value with similar quality.
Check reviews and ratings for insights into real world performance before committing to a specific brand.
Price and Value
Cost is a major factor but the price per unit should be considered alongside lifespan. A cheaper battery might require replacement sooner reducing overall value.
Calculate the cost per month of use by dividing the price by the expected lifespan to find the best value.
How to Use and Care for Your 377A Watch Battery
When installing the battery handle it by the edges to avoid oils from your skin affecting the terminals. Align the positive and negative sides correctly with the device compartment markings.
Store unused batteries in a cool dry place away from direct sunlight to maintain their charge. Keep them in their original packaging to prevent accidental contact with metal objects.
Replace the battery as soon as you notice your device slowing down or malfunctioning. Proper disposal according to local regulations helps reduce environmental impact.
Frequently Asked Questions
What is a 377A watch battery?
A 377A watch battery is a common button cell battery used to power quartz watches and small electronics. It operates at 1.55V and is also known as SR626SW or AG4 depending on the manufacturer. This standard ensures it fits a wide range of devices.
How do I know if my watch uses a 377A battery?
Check the back of your watch for a battery code printed near the battery compartment. You can also open the case and look at the markings on the old battery. Common equivalents include SR626SW 376 and LR626.
Can I use an alkaline battery instead of silver oxide?
Yes you can use an alkaline version if your device supports it though it may not last as long. Alkaline batteries are cheaper but silver oxide provides more stable voltage which is better for precise watches.
How long does a 377A battery last in a watch?
On average a 377A battery lasts between two to three years in a standard quartz watch. The exact duration depends on the watch features like backlight or alarm usage. Higher power features may reduce lifespan.
Are these batteries safe for kids' toys?
Yes they are safe for toys but should always be stored out of reach of children. Child secure packaging helps prevent accidental ingestion which is a safety risk. Always supervise children during battery changes.
Do 377A batteries have a shelf life?
Most quality 377A batteries have a shelf life of three to four years when stored properly. This means they retain their charge during this period. Check the expiration date on the packaging before buying.
How should I dispose of old batteries?
Old batteries should be disposed of according to local regulations since they contain chemicals. Many retailers offer recycling bins for small batteries. Avoid throwing them in regular trash to prevent environmental harm.
Why does my device keep draining the battery?
If a battery drains quickly it could be due to device malfunction or high power usage. Check for water damage or short circuits inside the compartment. Replacing with a fresh high quality battery may solve the issue.
Final Thoughts on Choosing the Best 377A Watch Battery
We explored ten options ranging from budget friendly packs to premium trusted brands. The top picks offer a balance of reliability safety and performance suitable for most devices.
Prioritize batteries with leak proof technology and a long shelf life to protect your electronics. Choosing the right chemistry ensures your watch stays accurate over the long term.
Remember to verify the compatibility and check current availability before purchasing. Small variations in packaging and stock can impact your experience with the product.