TXY 10pcs/Pack AG4 Alkaline Cell Battery
4.6Editor score
Affordable multi pack value
Low self discharge rate
Mercury free construction
In this guide
Choosing the right power source for your timepiece is essential for maintaining accurate time and extending device life. A high quality 377A watch battery ensures consistent voltage and long term reliability for your small electronics needs.
We analyzed ten leading options based on user feedback chemical technical specifications and brand reputation. This list covers alkaline and silver oxide varieties suitable for watches, calculators, and various other compact devices requiring button cell power.
Each pick highlights key features such as shelf life, leakage protection, and compatibility with multiple device models. Please note that availability and costs may change over time so verify details before making your final purchase decision.
Top 3 Picks for Best 377A Watch Battery
LiCB 10 Pack SR626SW 377 Watch Battery
4.7Editor score
High capacity silver oxide chemistry
Three years shelf life guarantee
Leak proof technology included
Duracell 377/376 Silver Oxide Button Batteries
4.7Editor score
Four years storage guarantee
Child secure packaging design
Trusted brand reputation
Top 10 Best 377A Watch Battery in 2026 Compared
This side by side comparison highlights the key specifications and unique attributes of each selected battery option to help you make an informed decision based on your specific power needs and device requirements.
ProductsSpecificationsEditor scorePrice
Best Budget
TXY 10pcs/Pack AG4
Model AG4 Alkaline
Voltage 1.55V
Capacity 20mAh
Shelf Life 4 Years
4.6Editor score
Editor's Choice
LiCB 10 Pack SR626SW
Model SR626SW Silver Oxide
Voltage 1.55V
Pack Count 10 Pieces
Shelf Life 3 Years
4.7Editor score
Best Premium
SR626SW Watch Batteries 377
Model AG4 Alkaline
Voltage 1.5V
Shelf Life 2 Years
Stable Voltage Output
4.7Editor score
Energizer 377/376 Watch Batteries
Model 377 Silver Oxide
Pack Count 5 Pieces
Replaces SR626SW
Button Type Cell
4.7Editor score
LOOPACELL 377/376 Silver Oxide
Model SR626SW Silver Oxide
Pack Count 5 Pieces
Anti Corrosion Elements
Long Lasting Power
4.6Editor score
10pcs 1.5V AG4 LR626
Model AG4 Alkaline
Diameter 6.8mm
Pack Count 10 Pieces
High Energy Density
4.7Editor score
LiCB 20 Pack SR626SW
Model SR626SW Silver Oxide
Pack Count 20 Pieces
Grade A Cells
Shelf Life 3 Years
4.7Editor score
SKOANBE 10Pack SR626SW
Model SR626SW Fresh
Shelf Life 3 Years
1.5 Volts Charge
Multiple Compatibility
4.6Editor score
Duracell 377/376 Silver Oxide
Model 377 Silver Oxide
Shelf Life 4 Years
Child Secure Packaging
Trusted Brand
4.7Editor score
DURNERGY SR626SW Watch Battery
Model AG4 Alkaline
Sealed Steel Case
Anti Misalignment Design
Wide Temp Range
4.7Editor score
1. LiCB 10 Pack SR626SW 377 Watch Battery – Best Overall 377A Watch Battery
LiCB 10 Pack SR626SW 377 Watch Battery
1.55 Volts Silver Oxide
10 Pieces Per Pack
3 Year Shelf Life
Grade A Cell Quality
This LiCB pack stands out as a top choice for users needing reliable power for their watches and small electronics. With a high rating and consistent performance feedback it offers a balance of quality and value that meets most consumer needs effectively.
Pros
- Reliable silver oxide chemistry
- Consistent 1.55 volt output
- Leak proof technology included
- Extended storage stability
- Clear packaging protection
Cons
- Slightly higher cost than alkaline
- Limited availability in some regions
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The silver oxide chemistry ensures a stable voltage output which is critical for accurate timekeeping in quartz movements. Users report that these batteries maintain their charge well over time reducing the frequency of replacements needed for everyday devices.
While the price point is slightly higher than basic alkaline options the longevity and reliability justify the extra cost for many. The risk of leakage is minimized thanks to anti corrosion elements built into the design for peace of mind.
If you prioritize performance and longevity for your wristwatch or calculator this option is highly recommended. It serves as a dependable power source that keeps your devices running smoothly without unexpected failures or power drops.
Consistent Power Delivery
The silver oxide cell design maintains steady voltage throughout the battery life preventing timing errors in sensitive devices.
Secure Storage Design
Each battery is individually sealed to prevent damage during transport and storage ensuring freshness until you need to use it.
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2. TXY 10pcs/Pack AG4 Alkaline Cell Battery – Best Value 377A Watch Battery
TXY 10pcs/Pack AG4 Alkaline Cell Battery
Model AG4 Alkaline Type
20mAh High Capacity
4 Year Storage Life
Mercury Free Safe
For those seeking an economical option without sacrificing too much performance this TXY pack delivers solid value. The high capacity alkaline cells are well suited for toys and remote controls where constant high power is less critical.
Pros
- Affordable multi pack pricing
- Long shelf life up to four years
- Mercury free environmentally safe
- Leak proof stainless steel case
- Wide device compatibility
Cons
- Alkaline may drain faster than oxide
- Slightly heavier weight profile
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Users appreciate the long storage life which allows bulk buying without worrying about expiration. The packaging ensures the batteries arrive safely and remain ready for use whenever you need to replace a drained cell.
While silver oxide batteries often last longer in watches the lower cost per unit makes this an excellent choice for high drain devices or when multiple replacements are needed frequently. The mercury free design is also a plus.
This is an ideal pick for families or businesses that need many batteries over time. It balances cost and reliability making it a smart choice for general purpose power needs across a range of small electronics.
Eco Friendly Construction
Produced without harmful substances like lead or mercury this battery aligns with modern environmental standards for safe disposal.
Extended Storage Window
Low self discharge rates ensure the batteries retain their charge for up to four years when stored correctly.
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3. Duracell 377/376 Silver Oxide Button Batteries – Premium Trusted 377A Watch Battery
Duracell 377/376 Silver Oxide Button Batteries
Duracell Silver Oxide
4 Year Storage Guarantee
Child Secure Packaging
Trusted Brand Quality
Duracell remains a household name for battery quality and this silver oxide option continues that reputation. The packaging is designed with safety in mind making it difficult for children to open accidentally which is crucial for households with kids.
Pros
- Industry leading brand reliability
- Four year storage guarantee
- Child secure packaging for safety
- Stable voltage output
- Wide device compatibility
Cons
- Fewer count per pack
- Higher price per unit
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The four year storage guarantee provides peace of mind that the battery will be ready when you need it. Users report that the voltage remains stable throughout the life of the battery ensuring consistent performance in watches and medical devices.
Although the pack contains fewer units the reliability and safety features justify the cost for many buyers. The trusted brand name reduces the risk of receiving a defective product and ensures you are getting a standard quality cell.
If safety and reliability are your top priorities this pack is an excellent choice. It is particularly well suited for critical devices where power failure is not an option and brand trust matters most to the consumer.
Safety First Design
Child secure packaging ensures that batteries cannot be easily opened or accessed by young children reducing potential hazards.
Brand Trust
As a leading brand Duracell maintains strict quality control which translates to consistent performance across every batch.
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4. SR626SW Watch Batteries 377 376 LR626 Battery AG4 – Affordable Alkaline 377A Watch Battery
SR626SW Watch Batteries 377 376 LR626 Battery AG4
Model AG4 Alkaline Coin
1.5 Volts Full Charge
2 Year Shelf Life
Stable Voltage Output
This AG4 pack offers a straightforward solution for users needing reliable alkaline power for various devices. The batteries arrive with a full charge and maintain stable voltage which is important for keeping small electronics functioning correctly.
Pros
- Full 1.5 volt charge ready
- Stable voltage for devices
- High discharge efficiency
- Affordable 10 pack value
- Wide model compatibility
Cons
- Shorter shelf life than oxide
- Alkaline chemistry limitations
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Feedback indicates that the batteries perform well in watches and calculators providing consistent power until they deplete. The packaging protects them during shipping so they arrive in good condition ready to be installed immediately.
While the shelf life is shorter than silver oxide options the lower price point makes up for it in many cases. It is a practical choice for those who replace batteries regularly and do not need long term storage.
This option is best for general use where cost effectiveness is key. It provides a reliable power source for everyday devices without the premium price tag associated with specialized silver oxide cells.
Ready to Use
Every battery arrives fully charged and ready for immediate installation in your devices without any waiting period.
Protective Packaging
The blister pack ensures each cell is protected from physical damage and environmental factors during transport and storage.
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5. Energizer 377/376 Watch Batteries – Trusted Silver Oxide 377A Watch Battery
Energizer 377/376 Watch Batteries
377 Silver Oxide Type
Replaces SR626SW
5 Pack Quantity
Button Type Cell
Energizer is a well recognized brand for energy solutions and this watch battery pack reflects that quality. The silver oxide chemistry ensures a reliable power source for watches that demand consistent voltage for accurate timekeeping.
Pros
- Trusted Energizer brand
- Accurate model replacement
- Reliable silver oxide power
- Compact packaging size
- Quick installation design
Cons
- Small pack count
- Slightly higher unit cost
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Users appreciate the clear labeling which makes it easy to confirm compatibility with their specific watch model. The packaging is compact and easy to open which is convenient when you need to replace a battery quickly.
The smaller pack count means you might need to buy more frequently if you have multiple devices. However the quality of the cells ensures that each unit performs well reducing the need for immediate replacement.
This is a solid choice for those who prioritize brand reliability and model accuracy. It works well for watches and other precision devices where consistent power is essential for proper function.
Accurate Replacement
Designed to directly replace SR626SW cells this battery fits standard watch compartments without any modification needed.
Reliable Power Source
Silver oxide cells provide steady voltage which is crucial for maintaining accurate time in quartz watch movements.
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6. LOOPACELL 377/376 Silver Oxide Watch Batteries – Reliable Silver Oxide 377A Watch Battery
LOOPACELL 377/376 / SR626W / SR626SW / Silver Oxide Watch Batteries
1.55V Silver Oxide
Anti Corrosion Elements
5 Pack Count
Long Lasting Power
LOOPACELL offers a practical solution for users needing reliable silver oxide power for various small electronics. The anti corrosion elements help ensure a stable supply even after prolonged storage making them a solid option for backup power needs.
Pros
- Anti corrosion technology
- Stable power supply
- Long lasting performance
- Versatile device use
- Convenient ready to use
Cons
- Pack count is small
- Requires careful handling
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Users report that the batteries perform well in watches and toys providing consistent energy without sudden drops. The packaging is designed for easy opening which adds convenience when you need to swap out a battery quickly.
While the pack contains fewer units the quality of the silver oxide cells is generally good for the price point. It is a viable alternative to larger brands for those who are comfortable with third party options.
This option is best for users who need dependable power for multiple devices over time. The combination of corrosion resistance and stable voltage makes it a strong candidate for everyday use in small electronics.
Corrosion Resistance
Built in anti corrosion elements protect the battery contacts ensuring a stable connection over the life of the cell.
Ready to Install
These batteries arrive charged and ready for immediate use requiring no extra steps before installation in your device.
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7. 10pcs 1.5V AG4 LR626 Alkaline Button Battery – Versatile Alkaline 377A Watch Battery
10pcs 1.5V AG4 LR626 Alkaline Button Battery
Model AG4 Alkaline
6.8mm Diameter
High Energy Density
10 Pack Quantity
This pack offers a versatile solution for users needing alkaline power for a variety of small electronics. The batteries are designed with high energy density which helps extend their usable life in devices like calculators and toys.
Pros
- High energy density
- Long lifespan for alkaline
- Consistent power output
- Wide model equivalence
- Budget friendly bulk
Cons
- Alkaline leakage risk
- Shorter life than silver oxide
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Feedback suggests that these cells perform reliably for general purpose use where extreme longevity is not required. The packaging protects them from damage and they arrive ready to be installed in your devices immediately.
While they may not last as long as silver oxide in watches the lower cost per unit makes up for it in many cases. It is a practical choice for bulk replacement needs where cost efficiency is a priority.
This option is best for households or businesses that require many batteries regularly. It provides a balance of performance and cost that suits general purpose needs across a range of devices effectively.
High Energy Density
The alkaline chemistry is optimized for higher energy output which helps extend the battery life in active devices.
Compact Diameter
A standard 6.8mm diameter ensures these batteries fit standard watch and electronics compartments without any modification.
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8. LiCB 20 Pack SR626SW 377 626 Watch Battery – High Quantity Silver Oxide 377A Watch Battery
LiCB 20 Pack SR626SW 377 626 Watch Battery
20 Pack Quantity
Grade A Cells
3 Year Shelf Life
1.55 Volts Charge
This LiCB option is ideal for users who need a large supply of reliable silver oxide batteries for multiple devices. The grade A cell quality ensures that each unit performs consistently reducing the risk of early failure.
Pros
- Bulk 20 piece quantity
- Grade A cell quality
- Three year storage life
- Consistent brand performance
- Clear packaging design
Cons
- Higher upfront cost
- Requires storage space
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Users appreciate the three year shelf life which allows for bulk buying without worrying about expiration. The packaging is designed to protect each battery individually ensuring they arrive in good condition and ready for use.
While the upfront cost is higher the cost per unit is lower compared to smaller packs. This makes it a smart choice for businesses or families that replace batteries frequently and want to save over time.
This is a best pick for those who value quantity and consistency. It provides a reliable power source for watches and small electronics ensuring you always have a fresh battery available when needed.
Bulk Savings
Buying in larger quantities reduces the cost per unit making it a cost effective solution for regular replacement needs.
Quality Assurance
Grade A cells are tested under strict standards to ensure each battery meets high performance benchmarks before packaging.
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9. SKOANBE 10Pack SR626SW 377 LR626 AG4 1.5V Watch Battery – Reliable Silver Oxide 377A Watch Battery
SKOANBE 10Pack SR626SW 377 LR626 AG4 1.5V Watch Battery
10 Pack Quantity
Fresh Battery Quality
3 Year Shelf Life
Multiple Model Equivalence
SKOANBE offers a practical solution for users needing reliable silver oxide power for their watches and devices. The batteries arrive fresh with a full charge ensuring that they provide immediate power upon installation in your timepiece.
Pros
- Fresh battery quality
- Three year storage life
- Full 1.5 volt charge
- Wide model compatibility
- Easy to open packaging
Cons
- Packaging can be tight
- Handling requires caution
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Users report that the batteries perform well in watches maintaining consistent voltage for accurate timekeeping. The packaging is designed to protect the cells during shipping so they arrive in good condition ready for use.
While the pack is smaller than some options the quality is generally reliable for everyday needs. It is a viable choice for those who need a few fresh batteries without the bulk of larger packs.
This option is best for regular users who need a few quality batteries at a time. It provides reliable performance for watches and small electronics ensuring your devices stay powered when needed.
Fresh Supply
Each battery is manufactured recently and sealed to ensure maximum freshness and charge retention until you use it.
Clear Labeling
The packaging includes clear labels making it easy to confirm model compatibility before installation in your device.
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10. DURNERGY SR626SW Watch Battery 10 Pack – Versatile Alkaline 377A Watch Battery
DURNERGY SR626SW Watch Battery 10 Pack
AG4 Alkaline Cell
Sealed Steel Case
Anti Misalignment Design
Wide Temp Range
DURNERGY provides a thoughtful design for users needing reliable alkaline power for various small electronics. The anti misalignment packaging allows you to remove one battery without disturbing the others which is convenient for storage.
Pros
- Sealed steel casing
- Anti misalignment packaging
- Wide temperature range
- Environmentally friendly
- Easy single access
Cons
- Alkaline chemistry limitations
- Requires careful storage
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Users appreciate the sealed steel case which helps prevent leakage and extends the life of the battery in storage. This is particularly useful if you keep spare batteries in a drawer for emergency replacements.
The wide temperature range ensures the batteries work well in different environments from cold to hot conditions. It makes them versatile for use in devices that might be subjected to varying temperatures over time.
This option is best for users who need a practical packaging design with reliable power. It balances convenience and performance making it a strong choice for general purpose use in watches and small electronics.
Convenient Packaging
The anti misalignment design allows you to remove one battery without displacing the remaining ones for organized storage.
Leak Prevention
A sealed steel case protects the internal components from corrosion and leakage ensuring long term storage reliability.
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Buying Guide – How to Choose the Best 377A Watch Battery
Choosing the right battery for your device involves considering several technical and practical factors that affect performance and longevity.
Chemistry Type
Silver oxide batteries generally offer more stable voltage and longer life in watches compared to alkaline options. Alkaline cells are often less expensive and suitable for devices that do not require precise voltage consistency.
For timekeeping devices prioritize silver oxide to maintain accurate time. For toys or remotes alkaline may provide sufficient power at a lower cost.
Shelf Life
Batteries degrade over time even when not in use so consider the expected storage period before installation. High quality silver oxide cells often guarantee a shelf life of three to four years under proper storage conditions.
If you buy in bulk ensure the batteries have a long expiration date to avoid installing a depleted cell immediately.
Leak Protection
Leakage can damage sensitive electronics permanently so look for features like sealed cases or anti corrosion elements. Brands that highlight leak proof technology often use better sealing materials to prevent fluid escape.
Prioritize batteries with robust sealing if your device has tight compartments or is used infrequently to reduce maintenance risks.
Brand Reputation
Established brands often maintain stricter quality control which can reduce the chance of receiving a defective battery. While generic brands can be reliable reading user feedback helps verify their consistency.
Choose a brand with positive reviews regarding battery longevity and safety to ensure you are getting a trustworthy product.
Packaging Design
Some batteries come in blister packs that protect individual cells while others are loose which can cause short circuits. Child secure packaging is essential for households with young children to prevent accidental ingestion.
Select packaging that protects the terminals from contact and is easy to open without damaging the battery or risking injury.
Device Compatibility
Ensure the battery model number matches your device requirements as using an incorrect type can lead to poor performance. Many 377A batteries are equivalent to SR626SW or AG4 but check the manual for exact specifications.
Verify the voltage and dimensions before purchasing to guarantee a proper fit and reliable power for your specific device.
Temperature Tolerance
Some batteries perform better in extreme temperatures than others so consider where your device will be used. Batteries with wide temperature ranges are more suitable for outdoor use or environments with significant temperature swings.
Check the manufacturer specifications for temperature limits to ensure the battery will operate reliably in your specific conditions.
Cost Efficiency
Buying larger packs often reduces the cost per unit but consider how quickly you will use them before they expire. Balance the upfront cost with the expected battery life to determine the best value for your needs.
Calculate the cost per battery across different pack sizes to find the most economical option that meets your quality standards.
How to Use and Care for Your 377A Watch Battery
When handling the battery avoid touching the metal terminals with bare hands as oils can cause corrosion over time. Use a clean dry cloth to wipe the surface before installation if needed.
Store unused batteries in a cool dry place away from direct sunlight and extreme temperatures. Keep them in their original packaging until ready to use to prevent accidental short circuits.
Dispose of spent batteries according to local regulations and never throw them into fire or attempt to recharge them. Recycle them at designated centers to protect the environment and ensure safety.
Frequently Asked Questions
What is the difference between 377A and SR626SW?
The numbers refer to the same button cell size and voltage but come from different naming standards. 377A is an ANSI designation while SR626SW is the IEC standard used for silver oxide cells. Both are interchangeable for most devices requiring this power size.
How long does a 377A watch battery last?
Battery life depends on the device power consumption and battery chemistry. In a standard quartz watch a silver oxide cell can last two to three years while alkaline may last a year or less depending on usage intensity.
Can I use alkaline instead of silver oxide?
You can use alkaline in many devices but expect slightly different performance and shorter life. Silver oxide is recommended for watches because it provides a more stable voltage which is crucial for accurate timekeeping over time.
How do I know if a battery is leaking?
Signs of leakage include white or brown residue around the battery terminals or a sour smell. If you notice any of these signs remove the battery immediately to prevent damage to the electronic components inside the device.
Are these batteries safe for children?
Button batteries can be hazardous if swallowed so always store them out of reach of children. Child secure packaging helps reduce risk but supervision is essential when changing batteries or using devices powered by them.
What is the shelf life of a 377A battery?
Most silver oxide batteries have a shelf life of three to four years when stored properly in cool and dry conditions. Alkaline batteries may have a slightly shorter shelf life but can still last several years if kept in good storage.
Final Thoughts on Choosing the Best 377A Watch Battery
We have reviewed ten top options for the 377A watch battery ranging from budget friendly alkaline to reliable silver oxide choices. Each pick offers unique benefits whether you prioritize cost longevity or brand trust.
When selecting a battery consider your specific device needs and how often you are willing to replace the power source. Silver oxide is generally recommended for watches while alkaline serves well for general electronics.
Prices and availability may change so please check the current listings before making your final purchase decision. We hope this guide helps you find the perfect power source for your devices with confidence.