TXY 10pcs/Pack AG4 Alkaline Cell Battery
4.6Editor score
Affordable ten pack value
Low self discharge rate
Mercury free safe composition
In this guide
Finding the right power source for your timepiece is essential for accuracy and longevity. A reliable 377A watch battery ensures your device runs smoothly without unexpected interruptions or voltage drops during daily wear.
We evaluated ten highly rated options based on capacity, shelf life, and safety features. Our comparison highlights key differences between alkaline and silver oxide chemistries to help you make an informed purchasing decision today.
Each pick includes detailed specifications, pros, and cons to guide your selection. Note that prices and availability may change frequently, so check current listings before finalizing your order for immediate delivery.
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 design
Three year shelf life guaranteed
Duracell 377/376 Silver Oxide Button Batteries
4.7Editor score
Trusted brand reliability
Four year storage guarantee
Child secure packaging design
Top 10 Best 377A Watch Battery in 2026 Compared
This side-by-side comparison outlines the key specifications and features of each product to help you quickly identify the best fit for your specific device requirements.
ProductsSpecificationsEditor scorePrice
Best Budget
TXY AG4 10pcs
Voltage 1.55V
Capacity 20mAh
Type Alkaline
Shelf Life 4 Years
4.6Editor score
Editor's Choice
LiCB 10 Pack SR626SW
Voltage 1.55V
Type Silver Oxide
Shelf Life 3 Years
Certified CE ROHS
4.7Editor score
Best Premium
SR626SW Watch Batteries 10 Count
Voltage 1.5V
Type Alkaline
Shelf Life 2 Years
High discharge efficiency
4.7Editor score
Energizer 377/376 Pack of 5
Replaces SR626W
Button type cell
Audio Video power
Fits 377 devices
4.7Editor score
LOOPACELL 377/376 Pack of 5
Silver Oxide chemistry
Leak proof tech
Voltage 1.55V
Ready to use
4.6Editor score
10pcs 1.5V AG4 LR626
Diameter 6.8mm
Type Alkaline
High energy density
Widely used type
4.7Editor score
LiCB 20 Pack SR626SW
20 Piece count
Silver Oxide cells
Shelf Life 3 Years
CE ROHS Certified
4.7Editor score
SKOANBE 10Pack SR626SW
Fresh 1.5V
Shelf Life 3 Years
Multiple compatibility
Watch toy suitable
4.6Editor score
Duracell 377/376 2 Count
Silver Oxide type
Shelf Life 4 Years
Child secure pack
Long lasting power
4.7Editor score
DURNERGY SR626SW Watch Battery 10 Pack
Wide temp range
Sealed steel case
Individual cut design
Green safe disposal
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 Year Shelf Life
CE ROHS Certified
This LiCB 10 Pack is our top pick for reliability and performance in small electronics. It holds a strong rating from users who appreciate the consistent power delivery for watches and calculators.
Pros
- Reliable long lasting performance
- Consistent voltage output
- Safe mercury free design
- Convenient blister packaging
- Excellent value for money
Cons
- Packaging can be tight
- Not for high drain use
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The silver oxide chemistry provides a stable voltage of 1.55V that stays constant throughout the battery life. This ensures your timepiece keeps accurate time without sudden drops or early failures.
While the packaging is secure to protect the cells during shipping, it requires some effort to open safely. This is a minor trade-off for the added protection against short circuits during storage.
Ideal for watch owners who need a bulk supply of trusted batteries. The extended shelf life means you can stock up without worrying about them losing charge before use.
Consistent Voltage Output
Silver oxide cells maintain steady voltage better than alkaline options ensuring your watch runs accurately until the very end.
Long Shelf Life
With a three year guarantee on charge retention you can buy in bulk without fearing the cells will degrade on the shelf.
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2. TXY 10pcs/Pack AG4 Alkaline Cell Battery – Best Budget 377A Watch Battery
TXY 10pcs/Pack AG4 Alkaline Cell Battery
Voltage 1.55V
Capacity 20mAh
Low Self Discharge
Mercury Free
The TXY 10pcs pack offers an affordable solution for devices that require frequent battery changes. It is a great choice for toys and remotes where cost matters more than extreme longevity.
Pros
- Very affordable price point
- Long storage time
- Safe for environment
- Stainless steel casing
- Wide device compatibility
Cons
- Alkaline chemistry limits life
- Lower capacity than silver oxide
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Its low self-discharge rate allows it to sit in storage for up to four years before losing significant power. This makes it ideal for emergency kits or backup supplies.
The aluminum construction with a stainless steel case provides good sealing to prevent leaks. However alkaline chemistry is inherently less efficient than silver oxide for high drain applications.
Buy this if you need a cost effective bulk option for low power devices. It balances price and performance well for casual users who replace batteries often.
Cost Effective Bulk Pack
Getting ten cells at a low price makes replacing batteries in multiple devices much more economical for the average household.
Safe Storage
The low self discharge feature ensures that batteries remain fresh even when stored for several years in a cool dry place.
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3. SR626SW Watch Batteries 377 376 LR626 Battery – Reliable 377A Watch Battery
SR626SW Watch Batteries 377 376 LR626 Battery
Full 1.5V Charge
Two Year Shelf Life
Stable Voltage
High Efficiency
This 10-count pack provides a reliable energy source for watches and small electronics. Users report consistent performance in devices that require steady power over extended periods.
Pros
- Stable voltage output
- High discharge efficiency
- Clear packaging
- Easy to handle
- Wide compatibility
Cons
- Shorter shelf life than others
- Alkaline type limits duration
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The batteries offer stable voltage and high discharge efficiency which protects your equipment from power surges. This stability helps prevent potential damage to sensitive components inside the device.
One trade-off is a shorter shelf life compared to premium silver oxide options. While two years is sufficient for most, frequent stockers might prefer alternatives with longer guarantees.
Choose this pack for general household use where moderate reliability is needed. It works well for thermometers, toys, and standard watches that are changed regularly.
Stable Voltage Protection
Stable voltage prevents sudden spikes or drops that could harm sensitive electronics like digital thermometers or small digital displays.
Convenient Packaging
The blister pack design allows you to remove one battery at a time without disturbing the others in the set.
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4. Energizer 377/376 Watch Batteries – Trusted Brand 377A Watch Battery
Energizer 377/376 Watch Batteries
Replaces SR626W
Button Cell
Audio Video Power
Standard Fit
Energizer is a household name known for consistent battery quality. This pack offers a convenient solution when you need a few reliable cells for immediate replacement.
Pros
- Trusted brand name
- Reliable quality
- Simple packaging
- Quick replacement
- Readily available
Cons
- Smaller pack size
- Higher cost per unit
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The batteries are designed to replace SR626W and SR626SW models perfectly. They provide standard voltage and fit securely in most standard watch compartments.
While the pack size is smaller than bulk options, it suits those who need immediate power without buying extras. The convenience factor is a strong selling point here.
Opt for this if you need a quick fix from a reputable brand. It is ideal for travelers or emergency kits where brand trust matters more than volume.
Trusted Brand Reliability
Energizer is a globally trusted brand known for quality control ensuring you get a consistent product every time.
Standard Compatibility
Designed to replace specific models like SR626W ensuring a perfect fit in your device without modification needed.
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5. LOOPACELL 377/376 – Versatile 377A Watch Battery
LOOPACELL 377/376 / SR626W / SR626SW
Silver Oxide Tech
Leak Proof
1.55V Stable
Ready to Use
LOOPACELL delivers a versatile silver oxide option suitable for watches and mini radios. The pack focuses on providing stable power for various small electronics efficiently.
Pros
- Ready to use
- Leak proof elements
- Multiple device use
- High power output
- Affordable pack
Cons
- 5 count may be low
- Basic packaging style
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Advanced silver oxide chemistry ensures high power and long life. The leak-proof elements add an extra layer of safety to protect your device from potential corrosion over time.
A potential drawback is the smaller pack size compared to bulk options. For heavy users replacing batteries frequently, you may need to order multiple packs.
This is a solid choice for general household electronics needing a quick power boost. It balances performance and price well for moderate usage needs.
Silver Oxide Performance
Silver oxide chemistry offers higher energy density allowing the battery to last longer in devices with moderate to high drain.
Ready to Use
The batteries arrive fully charged and ready to install ensuring you do not lose time preparing them for use.
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6. 10pcs 1.5V AG4 LR626 Alkaline Button Battery – High Density 377A Watch Battery
10pcs 1.5V AG4 LR626 Alkaline Button Battery
Diameter 6.8mm
Alkaline Type
High Energy Density
Widely Used
This 10-pack provides excellent continuous power for watches and calculators. It features a high energy density design that maximizes the life of every cell.
Pros
- High energy density
- Long lifespan
- Standard size
- Easy storage
- Great for toys
Cons
- Standard alkaline limits
- No special features
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The batteries maintain power well under load due to their high energy density. This makes them suitable for devices that draw a consistent current over time.
While reliable, they lack the advanced chemistry of silver oxide options. This means they might not last as long in high-drain devices compared to premium alternatives.
Choose this for standard devices like toys and digital watches. It offers good value and performance for everyday needs without extra costs.
High Energy Density
High energy density means more power is packed into the small cell allowing for longer usage between replacements.
Standard Size
At approximately 6.8mm diameter this battery fits the standard compartment found in most common watches and small electronics.
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7. LiCB 20 Pack SR626SW – Large Capacity 377A Watch Battery
LiCB 20 Pack SR626SW 377 626 Watch Battery
20 Piece Count
Grade A Cells
Three Year Shelf
CE ROHS Certified
This 20-pack offers a high quantity solution for those with multiple devices. It uses Grade A cells to ensure consistent quality and performance across all units.
Pros
- Large quantity pack
- Grade A cells
- Consistent quality
- Safe storage
- Good value
Cons
- Bulk may be too much
- Packaging can be tight
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The silver oxide chemistry ensures longer battery life and stable power. Each cell is tested under strict quality control standards to meet high safety benchmarks.
Managing 20 batteries requires proper storage to maintain freshness. Keeping them in a cool dry place ensures they last the full shelf life without degradation.
Ideal for families or offices with many battery-operated devices. Buying in bulk saves money and ensures you always have a spare available.
Grade A Quality
Using Grade A cells means every battery in the pack meets higher standards for performance and safety than lower grade alternatives.
Bulk Convenience
Having a larger pack means fewer trips to the store and fewer interruptions when devices run out of power unexpectedly.
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8. SKOANBE 10Pack SR626SW – Efficient 377A Watch Battery
SKOANBE 10Pack SR626SW 377 LR626 AG4
Fresh 1.5V
Three Year Shelf
Multiple Compatibility
Watch Toy Suitable
SKOANBE provides a reliable option for watches and toys with stable power output. The batteries come fresh with a full charge and a three-year shelf life.
Pros
- Fresh batteries
- Good shelf life
- Clear instructions
- Multiple compatibility
- Safe design
Cons
- Basic packaging
- No premium features
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They feature multiple compatibility with various models like SR626SW and LR626. This flexibility ensures you can use them in different devices without needing specific types.
Handling instructions warn against touching terminals directly to prevent short circuits. This safety note is crucial for maintaining battery integrity before installation.
Select this pack for versatile household needs where safety and compatibility are key. It offers solid performance for everyday small electronics.
Multiple Compatibility
Compatible with various models like SR626SW and LR626 ensuring you can use them across different brands of watches and electronics.
Safety Handling
Avoid touching terminals directly to prevent short circuits that could damage the battery or the device before use.
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9. Duracell 377/376 Silver Oxide Button Batteries – Premium 377A Watch Battery
Duracell 377/376 Silver Oxide Button Batteries
Four Year Storage
Silver Oxide
Child Secure
Long Lasting
Duracell delivers a premium option with a guaranteed four-year storage life. This makes it an excellent choice for emergency kits or occasional use.
Pros
- Guaranteed storage life
- Child secure pack
- Trusted brand
- High performance
- Safe for kids
Cons
- Small pack size
- Higher price point
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The silver oxide construction ensures long-lasting power for digital thermometers and stopwatches. It performs reliably in high-powered devices without significant voltage drop.
The child-secure packaging adds a significant safety benefit for households with young children. While the pack is small, it offers high confidence in quality.
Choose this for critical devices where reliability is non-negotiable. The price is higher but the safety and longevity features justify the cost.
Guaranteed Storage
With a four-year guarantee you can trust these batteries will be ready when you need them without worrying about degradation.
Child Secure Packaging
Hard to open packaging prevents accidental ingestion by children ensuring safety in homes with young kids.
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10. DURNERGY SR626SW Watch Battery 10 Pack – Durable 377A Watch Battery
DURNERGY SR626SW Watch Battery 10 Pack
Wide Temp Range
Sealed Steel Case
Anti Misalignment
Green Disposal
DURNERGY offers a durable solution with a sealed steel case to prevent leaks. This design helps protect your device from liquid damage even under varying conditions.
Pros
- Sealed steel case
- Wide temperature range
- Individual cut design
- Green disposal
- Quality testing
Cons
- Basic packaging
- Variable consistency
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The anti-misalignment design allows you to cut individual batteries without disturbing others. This is useful for users who only need one battery at a time.
While they lack some advanced features of premium brands they provide solid performance for daily use. The wide temperature range ensures functionality in different environments.
Buy this for general use where durability and easy handling are prioritized. It offers good value for everyday household electronics and watches.
Sealed Steel Case
The sealed steel case prevents liquid leakage ensuring your device stays safe from corrosion and potential damage.
Anti-Misalignment Design
You can cut individual batteries easily without worrying about the remaining ones becoming misplaced or difficult to store.
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Buying Guide – How to Choose the Best 377A Watch Battery
Choosing the right battery involves considering chemistry, capacity, and shelf life. This guide breaks down the key factors to help you select the best power source for your device.
Battery Chemistry Type
Alkaline and silver oxide are the two main types for 377A batteries. Silver oxide provides a more stable voltage and longer life which is ideal for watches and sensitive electronics. Alkaline batteries are more affordable but tend to have shorter lifespans and slightly less stable voltage.
Choose silver oxide for watches and high-reliability devices. Choose alkaline for toys or low-drain gadgets where cost is a priority.
Capacity and Energy Density
Capacity measures how much energy the battery can hold typically in milliampere-hours (mAh). Higher capacity means the battery can power your device longer before needing replacement. Look for models with high energy density to maximize usage time.
Check the mAh rating to ensure it meets your device's power needs. Higher capacity batteries are better for frequent use or devices with high drain.
Shelf Life and Storage
Shelf life refers to how long the battery retains its charge while in storage. Some products guarantee retention for up to four years while others offer two or three. A longer shelf life is critical if you buy in bulk or store batteries for emergencies.
Select batteries with a long shelf life if you do not use them immediately. This ensures they are ready when you need them without loss of performance.
Safety and Leak Protection
Leak-proof technology and sealed steel cases protect your device from corrosive battery acid. Some models use advanced sealing to prevent leakage even after the battery is depleted. This is vital for preserving expensive watches or electronics.
Prioritize batteries with leak-proof design especially for devices you plan to leave for long periods. This reduces the risk of permanent damage to your equipment.
Certification and Quality Control
Look for products with CE or ROHS certification indicating they meet safety and environmental standards. High-quality manufacturers test cells under strict control to ensure consistency. Certified batteries reduce risks of failure or hazardous materials.
Buy from brands that provide clear certifications. This ensures the product meets safety requirements and performs consistently across the pack.
Packaging and Convenience
Packaging varies from individual blister packs to multi-packs with anti-misalignment designs. Some allow you to cut single batteries while others are sealed together. Child-secure packaging is also important for safety in homes with children.
Choose packaging that fits your usage habits. If you buy in bulk, ensure the design allows for safe storage and easy access without mixing up the cells.
Price and Value
While cost per unit matters, consider the total cost of ownership based on lifespan. A slightly more expensive silver oxide battery may last longer than multiple cheaper alkaline replacements. Calculate value based on performance rather than just the sticker price.
Balance your budget with the expected battery life. Investing in quality batteries often saves money in the long run by reducing replacement frequency.
Device Compatibility
Ensure the battery matches your device's requirements. Common equivalent names include 377, 376, SR626SW, and LR626. Verify the voltage and size to avoid compatibility issues that could damage the device or cause poor performance.
Cross-check the product description for compatible models. Using the correct type ensures your watch or gadget functions correctly without risk of damage.
How to Use and Care for Your 377A Watch Battery
Always handle batteries by the edges to avoid transferring oils or dirt from your skin to the terminals. This helps prevent short circuits and ensures better conductivity. Wipe the battery with a dry cloth if it appears dirty before installation.
Store batteries in a cool, dry place away from direct sunlight and moisture. Humidity can cause corrosion or discharge over time. Keep them in their original packaging until ready to use to maintain freshness and safety.
Dispose of old batteries responsibly according to local regulations. Do not throw them in regular trash or incinerate them as they contain chemicals that harm the environment. Use designated battery recycling bins whenever possible.
Frequently Asked Questions
Is 377A the same as SR626SW?
Yes, 377A is often considered equivalent to SR626SW in many devices. Both are 1.55V button cells used in watches and small electronics. Always check your device manual to confirm the exact compatibility before purchasing to ensure proper fit and voltage.
How long does a 377A watch battery last?
A typical 377A battery lasts between one to three years depending on the device and usage. Watches that use movement mechanisms generally have longer battery life than digital ones. Silver oxide batteries tend to last longer than alkaline ones due to higher efficiency.
Can I use a 376 battery instead of a 377?
In many cases, a 376 battery can replace a 377 as they have similar voltage and dimensions. However, some high-drain devices might require the specific capacity of the 377. Always verify compatibility with your device's specifications to avoid performance issues.
Why do batteries have a shelf life?
Batteries lose charge over time even when not in use due to self-discharge. This is a natural chemical reaction inside the cell. Products with longer shelf life are formulated to minimize this loss ensuring the battery is ready for use after storage.
Are these batteries safe for children?
While the batteries themselves are safe, small button cells can be a choking hazard if swallowed. Always keep them out of reach of children and use child-secure packaging whenever possible. If a battery is swallowed seek medical help immediately.
How do I know if a battery is dead?
If your device stops working or the display flickers, the battery may be dead. Use a multimeter to check the voltage; if it is significantly below 1.5V it likely needs replacement. Also, check for signs of swelling or corrosion on the terminals.
Final Thoughts on Choosing the Best 377A Watch Battery
We have reviewed ten reliable options for 377A watch batteries to help you find the right power source for your needs. The LiCB SR626SW and Duracell options stand out for longevity and safety features.
Prioritize silver oxide batteries if you want reliable performance and longer life for watches. Consider alkaline options if you are looking for cost-effective solutions for low-power devices like toys.
Prices and availability are subject to change so verify current listings before making your final purchase. This ensures you get the best deal and accurate product information for your needs.