TXY 10pcs/Pack AG4 Alkaline Cell Battery
4.6Editor score
Low self-discharge
Mercury-free construction
Stainless steel casing
In this guide
Choosing the right battery for your watch or small electronic device is crucial for maintaining performance and avoiding unexpected power failures. The 377A watch battery is a popular choice for many devices due to its reliable voltage and compact size.
We have carefully evaluated ten top-rated products based on their capacity, shelf life, and user feedback to create this comprehensive list. Each option has been selected for its ability to provide consistent power across a variety of applications like watches and calculators.
Every pick in this guide highlights key features and compatibility details to help you make an informed decision for your specific device. Please note that prices and availability may change, so verify the current details before making your purchase.
Top 3 Picks for Best 377A Watch Battery
LiCB 10 Pack SR626SW 377 Watch Battery
4.7Editor score
High capacity silver oxide
Leak-proof technology
3 years shelf life
Duracell 377/376 Silver Oxide Button Batteries
4.7Editor score
Guaranteed 4 year storage
Child-secure packaging
High performance output
Top 10 Best 377A Watch Battery in 2026 Compared
The following comparison table provides a side-by-side overview of the ten selected products, highlighting their key specifications and compatibility options to assist your selection process.
ProductsSpecificationsEditor scorePrice
Best Budget
TXY 10pcs/Pack AG4 Alkaline Cell Battery
Model: AG4
Voltage: 1.55V
Capacity: 20mAh
Mercury-free
4.6Editor score
Editor's Choice
LiCB 10 Pack SR626SW 377 Watch Battery
Type: Silver Oxide
Voltage: 1.55V
Shelf Life: 3 Years
CE and ROHS Certified
4.7Editor score
Best Premium
SR626SW Watch Batteries 377 376 LR626 Battery AG4
Type: Alkaline
Voltage: 1.5V
Shelf Life: 2 Years
Stable voltage
4.7Editor score
Energizer 377/376 Watch Batteries (Pack of 5)
Type: Button cell
Replaces: SR626W
Replaces: SR626SW
Audio/Video Power
4.7Editor score
LOOPACELL 377/376 / SR626W / SR626SW / Silver Oxide Watch Batteries
Type: Silver Oxide
Voltage: 1.55V
Leak proof
Anti-corrosion elements
4.6Editor score
10pcs 1.5V AG4 LR626 Alkaline Button Battery
Diameter: 6.8mm
Type: Alkaline
High energy density
Long lifespan
4.7Editor score
LiCB 20 Pack SR626SW 377 626 Watch Battery
Type: Silver Oxide
Shelf Life: 3 Years
CE and ROHS Certified
1.55V Rating
4.7Editor score
SKOANBE 10Pack SR626SW 377 LR626 AG4 1.5V Watch Battery
Shelf Life: 3 Years
Voltage: 1.5V
Multiple compatibility
Fresh batteries
4.6Editor score
Duracell 377/376 Silver Oxide Button Batteries
Shelf Life: 4 Years
Type: Silver Oxide
Child-secure packaging
Trusted brand
4.7Editor score
DURNERGY SR626SW Watch Battery 10 Pack
Anti-misalignment design
Temperature range: -4 to 140 F
Stable discharge
Steel case
4.7Editor score
1. LiCB 10 Pack SR626SW 377 Watch Battery – Best Overall 377A Watch Battery
LiCB 10 Pack SR626SW 377 Watch Battery
Silver Oxide type
3 years shelf life
1.55V voltage
CE ROHS Certified
This LiCB product stands out as a top choice for those seeking reliable power for watches and small electronics. With a high rating and a focus on quality control, it offers a dependable solution for everyday battery needs.
Pros
- High capacity silver oxide
- Leak-proof technology
- Wide device compatibility
- Fresh 1.5 volt charge
- Long lasting power
Cons
- Slightly higher price
- Limited pack size
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The battery uses silver oxide chemistry which ensures a higher capacity and more stable voltage output compared to alkaline options. Users benefit from a three-year shelf life ensuring the battery remains fresh until needed for critical devices.
While the price point may be higher than basic alkaline options the longevity and reliability justify the investment. The leak-proof technology also provides peace of mind that your device will remain safe from corrosion.
This pick is ideal for anyone who needs a trusted battery for watches or medical devices where consistency matters. We recommend keeping a pack on hand for any urgent replacements or routine maintenance tasks.
Enhanced Battery Longevity
The silver oxide chemistry ensures a longer lifespan and more consistent power delivery than alkaline alternatives.
Reliable Protection
Leak-proof technology safeguards your electronics from potential damage caused by battery corrosion or leakage.
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2. TXY 10pcs/Pack AG4 Alkaline Cell Battery – Best Budget 377A Watch Battery
TXY 10pcs/Pack AG4 Alkaline Cell Battery
Alkaline AG4 type
Low self-discharge
Mercury-free
Stainless steel case
This TXY pack offers an economical solution for those needing multiple batteries for various toys and electronics. It combines a friendly price with features like low self-discharge to ensure batteries stay ready for use.
Pros
- Affordable price point
- Low self-discharge rate
- Environmental protection
- Leak-proof technology
- Multiple compatibility
Cons
- Lower capacity than silver oxide
- Alkaline material
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The stainless steel casing provides durability and safety while the mercury-free construction aligns with environmental standards. Users appreciate the long storage time which makes it a good option for bulk buying.
While it may not match the capacity of premium silver oxide batteries it performs well for low-drain devices. The value proposition is strong for users who need many batteries without breaking the bank.
Choose this option for general use or if you have a wide range of small electronics needing occasional power. It is a practical choice for families or hobbyists with frequent replacement needs.
Eco-Friendly Design
The production process avoids harmful substances like lead and mercury to ensure safe disposal and environmental protection.
Cost Effective Value
Purchasing in bulk provides a low cost per unit making it ideal for high volume replacement needs.
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3. Duracell 377/376 Silver Oxide Button Batteries – Best Premium 377A Watch Battery
Duracell 377/376 Silver Oxide Button Batteries
Silver Oxide type
4 year storage guarantee
Child-secure packaging
Trusted brand
Duracell is synonymous with reliability and this product continues that legacy with a four year storage guarantee. It is perfect for emergency kits or for devices that are not used daily but need consistent power when required.
Pros
- Guaranteed 4 years storage
- Highly trusted brand
- Child-secure packaging
- Reliable performance
- Wide device compatibility
Cons
- Higher price per unit
- Smaller pack size
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The child-secure packaging adds an extra layer of safety which is essential for households with young children. Users trust this brand for delivering long-lasting power in a wide range of high-powered devices.
The main trade-off is the higher cost and the smaller quantity compared to other packs. However for the peace of mind and guaranteed performance this premium price is often justified for critical applications.
Ideal for those who prioritize safety and reliability above all else this battery is a great choice for emergency prep. It ensures you have a dependable power source available whenever you need it most.
Unmatched Reliability
With a guaranteed four year shelf life you can be confident your batteries will be ready when you need them.
Safety First Design
The nearly impossible to open child-secure packaging prevents accidental ingestion and enhances home safety.
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4. SR626SW Watch Batteries – Good Value Alkaline Option
SR626SW Watch Batteries 377 376 LR626 Battery AG4
Alkaline AG4 type
Full 1.5 volts
2 years shelf life
Stable voltage output
This product offers a practical balance between cost and performance for everyday battery needs. It provides a full 1.5 volt charge and is designed to protect your equipment with stable voltage output.
Pros
- Good value for money
- Wide compatibility list
- Stable voltage discharge
- High discharge efficiency
- Easy to wipe clean
Cons
- Shorter shelf life than silver oxide
- Alkaline material risks
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The high discharge efficiency ensures that your devices run smoothly for a reasonable amount of time. Users appreciate the clear labeling and the variety of equivalent model names listed for compatibility.
While it may not offer the long-term storage benefits of silver oxide it is a solid choice for regular use. It is important to store these in a cool dry place to maintain their shelf life.
Choose this for general electronics where cost is a primary concern. It serves well as a standard replacement for watches and toys that require frequent battery swaps.
Equipment Protection
Stable voltage discharge helps prevent damage to sensitive components within your small electronic devices.
Clear Compatibility
A comprehensive list of equivalent models ensures you find the right fit for your specific device.
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5. Energizer 377/376 Watch Batteries – Trusted Brand Performance
Energizer 377/376 Watch Batteries (Pack of 5)
Button type cell
Replaces SR626W
Replaces SR626SW
Audio Video power
Energizer brings decades of reliability to this small battery pack suitable for watches and other electronics. The product is designed to replace common models like SR626W with consistent power delivery.
Pros
- Trusted brand reputation
- Reliable power output
- Replaces common models
- Good for audio video
- Compact button cell
Cons
- Limited pack size of 5
- Basic specs listed
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This option is particularly useful for devices that require a specific button cell type for optimal performance. Users appreciate the brand reputation which usually signals a certain standard of quality.
The pack size is smaller than others which might be a limitation for bulk users. However for it is a convenient size for keeping a small stash at home for immediate needs.
Select this if you trust the Energizer brand for consistent results. It is a safe choice for anyone looking for a straightforward replacement without needing advanced features.
Brand Reliability
Energizer is a well known name in battery power providing confidence in the performance of every cell.
Direct Replacement
Designed to directly replace SR626W and SR626SW models ensuring a perfect fit for your device.
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6. LOOPACELL 377/376 Silver Oxide Watch Batteries – Strong Silver Oxide Choice
LOOPACELL 377/376 / SR626W / SR626SW / Silver Oxide Watch Batteries
Silver Oxide 1.55V
Leak proof technology
Anti-corrosion elements
Ready to use
LOOPACELL offers a silver oxide option that ensures high power and long life for your devices. It is designed for a wide variety of electronics from watches to remote controls providing versatile usage.
Pros
- Silver oxide chemistry
- Leak proof design
- Anti-corrosion elements
- Ready out of pack
- Wide device use
Cons
- Smaller pack count
- Variable ratings
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The anti-corrosion elements and leak-proof technology are key features that help maintain the integrity of your electronics. You get a fresh 1.55 volt charge ready to use upon arrival.
While the pack count is moderate the quality of the silver oxide chemistry makes up for it in performance. It is a strong competitor for those who need reliable power in a convenient pack.
Pick this for watches and small electronics where you need stable voltage. It is a good alternative to premium brands at a competitive price point.
Premium Chemistry
Silver oxide technology provides a more stable voltage and longer life compared to standard alkaline batteries.
Corrosion Protection
Built-in elements protect against corrosion ensuring your devices remain safe from battery degradation.
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7. 10pcs 1.5V AG4 LR626 Alkaline Button Battery – Practical Value Pack
10pcs 1.5V AG4 LR626 Alkaline Button Battery
10 pieces per pack
High energy density
6.8mm diameter
Long lifespan
This pack provides ten batteries in a single purchase making it a great value for bulk buyers. The high energy density allows for continuous power delivery across various small devices.
Pros
- 10 piece quantity
- High energy density
- Long continuous power
- Multiple equivalents
- Good for toys
Cons
- Alkaline limitations
- Basic casing
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The diameter is standardized at approximately 6.8mm ensuring a good fit for most watches and calculators. Users find the long lifespan impressive for alkaline technology in this specific category.
It is important to handle these carefully to avoid short circuits during installation. The product instructions advise keeping them in a cool dry place to maintain their effectiveness.
Use this for high consumption devices or if you simply need a backup supply for multiple gadgets. It balances quantity and performance effectively for home or office use.
Compact Fit
The 6.8mm diameter is designed to fit precisely into small battery compartments without issues.
Power Duration
High energy density supports longer continuous operation for small electronics requiring steady power.
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8. LiCB 20 Pack SR626SW 377 626 Watch Battery – Bulk Silver Oxide
LiCB 20 Pack SR626SW 377 626 Watch Battery
20 piece bulk pack
Silver Oxide type
CE ROHS Certified
Grade A cells
For those who need a large supply LiCB offers a 20 pack of high quality silver oxide batteries. This allows you to stock up on premium replacements for multiple devices without frequent reordering.
Pros
- 20 piece quantity
- Silver oxide quality
- Grade A cells
- 3 years shelf life
- Wide compatibility
Cons
- Requires more storage
- Higher total cost
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The Grade A cells ensure that every battery meets strict quality standards for performance. This consistency is vital for devices like medical devices or children's books that require reliable power.
Managing twenty batteries requires adequate storage to avoid damage but the cost per unit drops significantly. You get the benefit of a longer shelf life compared to standard alkaline options.
This is ideal for watch collectors or families with many electronic gadgets. It ensures you never run out of power for your essential small electronics.
Bulk Value
Buying in larger quantities reduces the average cost per battery while maintaining high performance.
Quality Assurance
Grade A cells are tested for consistency ensuring that each battery performs reliably over time.
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9. SKOANBE 10Pack SR626SW 377 LR626 AG4 1.5V Watch Battery – Solid Mid-Tier Option
SKOANBE 10Pack SR626SW 377 LR626 AG4 1.5V Watch Battery
10 piece pack
3 years shelf life
Multiple compatibility
Fresh battery
SKOANBE provides a 10 pack that balances quality and affordability for everyday electronics. The batteries promise a three year shelf life and a full charge to ensure immediate use.
Pros
- 3 year shelf life
- Full 1.5 volts
- Multiple compatibility
- Avoid terminal touch
- Long lasting power
Cons
- Mixed chemistry options
- Basic packaging
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Handling instructions emphasize avoiding terminal contact to prevent short circuits during installation. This simple precaution helps maintain battery integrity before and during use.
The compatibility list is extensive covering common watch models so finding a match is easy. It is a solid choice for general users who want a reliable pack without premium branding.
Select this for watches and calculators where you need a standard replacement. It offers a good balance of life and convenience.
Long Term Storage
A three year shelf life ensures the battery remains ready for use even if stored for a while.
Installation Safety
Avoiding direct terminal touch prevents potential short circuits and ensures safe handling.
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10. DURNERGY SR626SW Watch Battery 10 Pack – Feature Rich Pack
DURNERGY SR626SW Watch Battery 10 Pack
Anti-misalignment design
Wide temp range
Sealed steel case
18 year brand history
DURNERGY brings an interesting feature to the table with an anti-misalignment design for easy handling. The batteries can be individually cut along a dotted line making storage and removal convenient.
Pros
- Anti-misalignment design
- Wide temperature range
- Stable discharge
- Sealed steel case
- Individual cutting
Cons
- Limited brand recognition
- Alkaline material
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The sealed steel case prevents liquid leakage and the wide temperature range ensures functionality in various environments. This makes it suitable for outdoor electronics or devices subject to temperature changes.
While it is a known brand in the household battery industry for 18 years the main focus is on practicality. The design ensures you can use one without worrying about losing the others.
Choose this for convenience and practical design features. It is a great choice for users who appreciate thoughtful packaging.
Convenient Design
The anti-misalignment feature allows individual removal without disturbing the remaining batteries.
Temperature Resilience
A wide operating temperature range ensures performance across diverse environmental conditions.
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Buying Guide – How to Choose the Best 377A Watch Battery
Selecting the right battery involves understanding the chemistry, capacity, and compatibility with your specific device to ensure optimal performance.
Battery Chemistry
The most important factor is whether the battery is silver oxide or alkaline. Silver oxide batteries offer a more stable voltage and higher capacity which is crucial for watches and sensitive electronics.
For devices requiring precision, always choose silver oxide over alkaline to avoid voltage drops that might reset your device.
Shelf Life
A long shelf life ensures that the battery is ready to use when you buy it. Look for options that guarantee at least 2 to 3 years of storage life.
This is especially important if you buy batteries in bulk or store them for future emergency use.
Leak Resistance
Leak-proof technology is vital to prevent corrosion and damage to your electronics. High quality brands incorporate anti-corrosion elements to mitigate this risk.
Always prioritize models with leak proof claims to protect your investment in costly devices.
Pack Size
Decide if you need a single unit or a bulk pack based on your usage. Larger packs offer better value but require more storage space.
If you have multiple devices a 10 or 20 pack ensures you are never without a replacement when needed.
Compatibility
Verify that the model number matches the requirements of your device. A 377A battery is often equivalent to SR626SW, LR626, and AG4 but check your manual to be sure.
Confirm the diameter and voltage specifications to ensure the battery fits physically and electrically.
Brand Reputation
Trusted brands often provide higher quality control and better safety standards. Established names are more likely to deliver consistent results over time.
While generic options can be cheaper reputable brands provide peace of mind for important devices.
Price vs Value
Balance the cost per unit with the expected lifespan of the battery. Sometimes paying slightly more for a longer lasting battery saves money in the long run.
Calculate the total cost for your needs and choose the option that offers the best overall value.
How to Use and Care for Your 377A Watch Battery
When installing the battery, touch the edges rather than the terminals to prevent short circuits. Ensure the positive side faces up as indicated on the device casing.
Store unused batteries in a cool dry place to maximize their shelf life. Extreme temperatures can reduce performance and cause leakage over time.
Regularly check your devices for signs of battery leakage and clean the contacts with a dry cloth if necessary to maintain good conductivity.
Frequently Asked Questions
What is the difference between 377A and SR626SW batteries?
The 377A is the ANSI number for the battery while SR626SW is the IEC designation. They are interchangeable and refer to the same battery chemistry and size with identical voltage and capacity.
How long do 377A watch batteries typically last?
Depending on the device usage, a 377A watch battery can last from six months to two years. Silver oxide batteries generally last longer than alkaline options due to higher capacity.
Can I mix old and new batteries in a multi battery device?
It is not recommended to mix old and new batteries as it can lead to leakage or reduced performance. Always replace all batteries in a device at the same time for consistent power.
Is it safe to dispose of 377A batteries in regular trash?
While many modern mercury-free batteries are safe for regular trash, local regulations may vary. Check your local waste management guidelines to ensure you are disposing of them safely.
How can I check if a 377A battery is still good?
You can use a multimeter to check the voltage. A fresh battery should read around 1.55 volts. If it reads significantly lower it may have lost charge or have a weak cell.
Why do my batteries die faster in cold weather?
Cold temperatures reduce the chemical reaction rate inside the battery leading to reduced performance. Storing batteries at room temperature helps maintain their energy until you need them.
Final Thoughts on Choosing the Best 377A Watch Battery
We have reviewed ten top products ranging from premium silver oxide options to budget friendly alkaline packs to suit every need. Each choice offers distinct advantages based on longevity and cost.
Prioritize silver oxide chemistry for watches and sensitive electronics to ensure stable performance. For less critical devices, alkaline options may suffice for occasional use.
Always verify the current pricing and availability before purchasing as these factors can change. Keeping a spare pack on hand ensures your devices stay powered when you need them most.