TXY 10pcs/Pack AG4 Alkaline Cell Battery
4.6Editor score
High capacity 20mAh output
Low self-discharge up to four years
Mercury-free environmental protection
In this guide
Choosing the right power source for your watch is essential for reliable timekeeping. A 377A watch battery delivers consistent voltage and lasts years. The best options offer leak protection and long shelf life.
We evaluated ten top-rated models based on capacity, chemistry, and user feedback. Our list includes silver oxide and alkaline variants suitable for various small devices. Each pick meets strict quality standards for safety and performance.
Every review highlights key strengths and potential trade-offs for informed decisions. Note that availability and pricing may vary over time. Check current listings before purchasing to ensure you get the best value today.
Top 3 Picks for Best 377A Watch Battery
LiCB 10 Pack SR626SW 377 Watch Battery
4.7Editor score
Grade A silver oxide cells
Three year shelf life
CE and ROHS certified
Duracell 377/376 Silver Oxide Button Batteries
4.7Editor score
Guaranteed four year storage
Child-secure packaging
Trusted brand reliability
Top 10 Best 377A Watch Battery in 2026 Compared
This table provides a side-by-side comparison of all ten products reviewed in this guide. Use it to quickly identify specifications, ratings, and key features for each option.
ProductsSpecificationsEditor scorePrice
Best Budget
TXY 10pcs/Pack AG4 Alkaline Cell Battery
1.55V voltage
20mAh capacity
Ten pack quantity
Four year shelf life
4.6Editor score
Editor's Choice
LiCB 10 Pack SR626SW 377 Watch Battery
1.55V voltage
Silver oxide chemistry
Ten pack quantity
Three year shelf life
4.7Editor score
Best Premium
SR626SW Watch Batteries 377 376 LR626 Battery AG4
1.5V voltage
Alkaline coin cell
Ten pack quantity
Two year shelf life
4.7Editor score
Energizer 377/376 Watch Batteries
1.55V voltage
Silver oxide equivalent
Five pack quantity
Standard watch battery
4.7Editor score
LOOPACELL 377/376 / SR626W / SR626SW
1.55V voltage
Silver oxide chemistry
Five pack quantity
Leak proof tech
4.6Editor score
10pcs 1.5V AG4 LR626 Alkaline Button Battery
1.5V voltage
Alkaline chemistry
Ten pack quantity
Six point eight mm
4.7Editor score
LiCB 20 Pack SR626SW 377 626 Watch Battery
1.55V voltage
Silver oxide cells
Twenty pack quantity
Three year shelf life
4.7Editor score
SKOANBE 10Pack SR626SW 377 LR626 AG4
1.5V voltage
Fresh battery pack
Ten pack quantity
Three year shelf life
4.6Editor score
Duracell 377/376 Silver Oxide Button Batteries
1.55V voltage
Silver oxide chemistry
Two pack quantity
Four year shelf life
4.7Editor score
DURNERGY SR626SW Watch Battery 10 Pack
1.5V voltage
Sealed steel case
Ten pack quantity
Wide temp range
4.7Editor score
1. TXY 10pcs/Pack AG4 Alkaline Cell Battery – Best Budget 377A Watch Battery
TXY 10pcs/Pack AG4 Alkaline Cell Battery
1.55V nominal output
High capacity twenty mAh
Leak proof steel case
Low self-discharge storage
The TXY AG4 alkaline cell offers exceptional value for everyday devices. With a 4.6 rating it delivers reliable power for watches, cameras, and toys. The 20mAh capacity ensures extended usage between replacements.
Pros
- Affordable per unit cost
- Long storage duration up
- Safe mercury-free chemistry
- Wide device compatibility list
Cons
- Alkaline may drain faster
- Less stable in cold
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Its low self-discharge rate allows storage up to four years in dry conditions. The stainless steel construction provides effective leak protection, reducing risk to your electronics. This model is ideal for budget-conscious buyers seeking quality.
While alkaline chemistry may not match silver oxide stability in high drain, it suits low-power applications well. Avoid extreme cold to maintain performance. These trade-offs are minor given the cost efficiency and broad availability.
Buyers needing affordable bulk packs for multiple small electronics should choose this option. It balances performance and price effectively for general use cases. Check current stock to ensure you get the best value today.
Extended Storage Capability
Low self-discharge technology keeps batteries ready for long periods without performance loss.
Safety and Protection
Stainless steel casing and leak-proof design protect your devices from potential corrosion damage.
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2. LiCB 10 Pack SR626SW 377 Watch Battery – Editor's Choice 377A Watch Battery
LiCB 10 Pack SR626SW 377 Watch Battery
1.55V silver oxide
Grade A quality cells
Three year shelf life
CE and ROHS certified
LiCB offers a high-performance silver oxide battery that meets strict quality control standards. Rated 4.7 it ensures longer life and stable power for precision devices. Each battery delivers full 1.55V charge right out of the package.
Pros
- Stable voltage output
- Premium Grade A cells
- Certified safety standards
- Excellent for watches
Cons
- Slightly higher price point
- Requires proper storage
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The Grade A cells provide consistent energy with low self-discharge. Certified by CE and ROHS it ensures safety for medical and childrens electronics. This reliability makes it a top choice for critical applications.
Cost is higher than alkaline alternatives but worth it for extended life. Ensure cool storage to maximize shelf life of three years. The benefits outweigh minor expense for quality-conscious users.
Select this if you need dependable power for watches or medical devices. Its certified quality and long life justify the investment. Always verify compatibility with your specific device model before purchasing.
Quality Assurance
Grade A cells and strict quality control standards guarantee reliable performance for sensitive electronics.
Wide Device Compatibility
Suitable for watches calculators toys and medical devices needing stable 1.55V power.
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3. SR626SW Watch Batteries 377 376 LR626 Battery AG4 – Reliable 377A Watch Battery
SR626SW Watch Batteries 377 376 LR626 Battery AG4
1.5V alkaline coin
High discharge efficiency
Two year shelf life
Multiple model equivalents
This SR626SW alkaline pack delivers stable voltage for diverse small electronics. Rated 4.7 it ensures high discharge efficiency and protects your equipment well. Each battery provides full 1.5V charge upon installation.
Pros
- Stable voltage supply
- Broad compatibility list
- High discharge efficiency
- Easy packaging access
Cons
- Shorter shelf life
- Alkaline limitations
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The wide model equivalence simplifies replacement choices for users. From watches to calculators it fits many devices. Proper storage in cool dry places maintains performance over its two year shelf life.
Shelf life is shorter than silver oxide options limiting long storage. Alkaline chemistry may not suit very high drain apps. Yet for standard use this is a solid reliable pick.
Choose this for general electronics needing quick reliable replacement. The broad compatibility ensures you find a match easily. Always check expiry dates when receiving bulk packs for optimal results.
Versatile Replacement Options
Compatible with multiple model numbers making it easy to find and replace batteries.
Efficient Power Delivery
High discharge efficiency ensures devices run longer on each battery charge.
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4. Energizer 377/376 Watch Batteries – Trusted 377A Watch Battery
Energizer 377/376 Watch Batteries
1.55V silver oxide
Audio video power
SR626SW replacement
Button type cell
Energizer brings decades of battery expertise to this silver oxide watch battery. Rated 4.7 it provides reliable power for audio and video devices. The pack of five offers convenience for multiple replacements.
Pros
- Trusted brand reputation
- Stable voltage output
- Suitable for many
- Compact packaging
Cons
- Limited pack size
- Premium pricing
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It replaces SR626SW and similar models ensuring compatibility. The consistent 1.55V output supports stable device operation. Energizers reputation for quality gives confidence in performance and safety.
Pack size may be small for bulk needs increasing cost per unit. Still the brand reliability offsets this for most users. It remains a strong choice for precision electronics.
Select this if you value brand trust and consistent quality. The stable voltage protects sensitive devices from fluctuations. Always store in cool dry environments to maximize shelf life.
Brand Reliability
Decades of battery expertise ensure consistent quality and reliable performance across devices.
Precise Compatibility
Direct replacement for SR626SW models ensuring seamless integration with your existing devices.
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5. LOOPACELL 377/376 / SR626W / SR626SW – Long Lasting 377A Watch Battery
LOOPACELL 377/376 / SR626W / SR626SW
1.55V silver oxide
Leak proof technology
Five pack quantity
Ready to use
LOOPACELL uses advanced silver oxide chemistry for stable long-lasting power. Rated 4.6 its leak-proof design protects your devices from corrosion. The pack includes five batteries ready for immediate use.
Pros
- Anti-corrosion elements
- Wide device range
- Instant power boost
- Convenient packaging
Cons
- Five unit limits
- Higher cost than bulk
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Designed for watches toys remotes and more it handles diverse needs. Anti-corrosion elements extend safe lifespan even after years. This makes it suitable for emergency kits or infrequent replacements.
Pack size is smaller than ten pack options affecting cost efficiency. Still the quality and leak protection justify the price for critical devices. It remains a reliable choice for many.
Buy this for watches remote controls needing secure power. The anti-corrosion tech ensures longevity in varied conditions. Verify your device matches the 1.55V requirement for optimal performance.
Leak Protection
Leak-proof technology and anti-corrosion elements protect your devices from damaging chemical leaks.
Instant Readiness
Batteries arrive charged and ready to use providing immediate power when needed.
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6. 10pcs 1.5V AG4 LR626 Alkaline Button Battery – Versatile 377A Watch Battery
10pcs 1.5V AG4 LR626 Alkaline Button Battery
1.5V alkaline power
6.8mm diameter size
Ten pack quantity
Long lifespan
These alkaline button batteries deliver continuous power for toys cameras and remotes. Rated 4.7 they provide high energy density in a 6.8mm package. The ten pack offers convenient bulk supply for various projects.
Pros
- Continuous power output
- Wide appliance use
- Compact size fit
- High energy density
Cons
- Avoid fire disposal
- Insert correctly
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Their diameter fits standard AG4 LR626 slots reliably. Proper insertion ensures safe operation and prevents short circuits. The versatile use case makes it suitable for household electronics.
Requires careful disposal away from fire to maintain safety. Insertion direction must be confirmed to avoid damage. These precautions are standard for button cell safety.
Choose this for general toy and camera needs. The high energy density ensures longer usage per unit. Always keep in cool dry places to maintain performance integrity.
Compact and Efficient
High energy density in 6.8mm diameter allows long usage in small devices.
Versatile Application
Suitable for toys calculators cameras and digital instruments needing reliable power.
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7. LiCB 20 Pack SR626SW 377 626 Watch Battery – Bulk 377A Watch Battery
LiCB 20 Pack SR626SW 377 626 Watch Battery
1.55V silver oxide
Grade A quality
Twenty pack quantity
Three year shelf life
LiCB provides a bulk twenty pack of high-performance silver oxide batteries. Rated 4.7 these Grade A cells deliver stable power for watches and medical tools. Each battery maintains full charge and three year shelf life.
Pros
- Bulk value savings
- Consistent performance
- Certified safety
- Fresh 1.5V
Cons
- Storage needs space
- Avoid heat
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CE and ROHS certification ensures safe use across electronics. The consistent 1.55V output supports precision devices well. This bulk option reduces frequent repurchasing for active households.
Requires adequate storage to keep batteries organized and cool. Heat exposure can shorten lifespan so avoid warm places. These are minor trade-offs for the cost benefits.
Select this for multiple device owners or repair work. The bulk value and quality make it ideal for preparedness. Always check pack integrity when received to ensure quality.
Bulk Value
Twenty pack quantity offers cost savings for users needing multiple replacements.
Safe Certification
CE and ROHS certified ensuring safe operation for children and medical electronics.
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8. SKOANBE 10Pack SR626SW 377 LR626 AG4 – Fresh 377A Watch Battery
SKOANBE 10Pack SR626SW 377 LR626 AG4
1.5V fresh battery
Three year shelf life
Ten pack quantity
Multiple compatibility
SKOANBE offers fresh silver oxide batteries with three year shelf life. Rated 4.6 they provide long lasting power for toys and small electronics. The pack includes ten units with multiple model compatibility.
Pros
- Long lasting power
- Safety packaging
- Wide replacement list
- Reliable performance
Cons
- Handle terminals carefully
- Store correctly
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Fresh charge ensures full 1.5V upon installation. Multiple compatibility allows use across various devices easily. Safety packaging helps avoid accidental short circuits during handling.
Avoid touching terminals directly to prevent shorting. Correct storage maintains freshness and safety. These steps ensure optimal performance and device protection.
Buy this for general replacement needs in home gadgets. The reliable performance and broad fit make it versatile. Always check expiration to confirm freshness before first use.
Fresh Performance
Fresh batteries ensure full voltage and long life out of the package.
Safety Features
Packaging helps prevent short circuits during handling and storage.
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9. Duracell 377/376 Silver Oxide Button Batteries – Premium 377A Watch Battery
Duracell 377/376 Silver Oxide Button Batteries
1.55V silver oxide
Four year storage guarantee
Child-secure packaging
Trusted brand
Duracell delivers a trusted premium battery with four year storage guarantee. Rated 4.7 it ensures long lasting power for watches and medical devices. The child-secure packaging provides extra safety for families.
Pros
- Longest shelf life
- Secure packaging
- High reliability
- Wide device support
Cons
- Higher unit cost
- Two count only
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Its silver oxide chemistry offers stable performance. Built for high powered devices it resists leakage. The trusted brand reputation ensures reliability in critical applications.
Pack size limits bulk value but ensures safety and quality. The four year guarantee supports emergency preparedness well. It remains a solid choice for premium needs.
Select this for critical electronics needing guaranteed readiness. The child-secure packaging enhances home safety significantly. Verify compatibility and check current stock for best value.
Guaranteed Shelf Life
Four year storage guarantee ensures batteries remain ready for emergency use.
Enhanced Safety
Child-secure packaging prevents accidental opening and protects young children from hazards.
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10. DURNERGY SR626SW Watch Battery 10 Pack – Durable 377A Watch Battery
DURNERGY SR626SW Watch Battery 10 Pack
1.5V sealed case
Wide temp range
Anti-misalignment design
Individually cut
DURNERGY provides durable alkaline batteries with sealed steel case. Rated 4.7 they offer wide temperature range and stable discharge. The individually cut design simplifies single battery removal.
Pros
- Sealed steel case
- Individually cut design
- Environmentally friendly
- Stable discharge
Cons
- Avoid terminal contact
- Check for defects
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Anti-misalignment design prevents remaining batteries from being lost. The sealed case effectively prevents liquid leakage. This model suits varied environmental conditions for reliable use.
Pinch edges not terminals to avoid shorting. Environmentally friendly without harmful substances like lead. These features ensure safe and convenient daily usage.
Choose this for watches and remotes needing secure power. The individually cut design adds practical convenience. Always confirm voltage matches your device for optimal performance.
Individual Removal
Anti-misalignment design allows removing one battery without losing others.
Durability and Safety
Sealed steel case prevents leaks and protects devices from corrosion.
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Buying Guide – How to Choose the Best 377A Watch Battery
Choosing the right 377A watch battery requires understanding chemistry, capacity, and device needs. This guide explains key factors to consider for reliable performance and safety.
Battery Chemistry
Alkaline and silver oxide are the main types for 377A batteries. Silver oxide provides stable voltage and longer life ideal for watches. Alkaline is cheaper but may drain faster in high-drain devices.
Shelf Life
Battery shelf life ranges from two to four years. Longer shelf life ensures your battery is ready when needed. Check packaging for guaranteed storage periods before purchasing.
Pack Size
Pack sizes vary from two to twenty batteries. Larger packs offer better value if you replace batteries frequently. Smaller packs suit occasional users needing minimal bulk.
Safety Certifications
Look for CE and ROHS certifications ensuring safe chemical composition. These standards reduce harmful substances like mercury or lead. Certified batteries protect both users and the environment.
Leak Protection
Leak-proof technology prevents corrosion damage to electronics. Stainless steel casings offer stronger seals than plastic. Always prioritize models with proven leak protection for sensitive devices.
Device Compatibility
Verify the battery matches your devices voltage and size. 377A batteries are equivalents for SR626SW and AG4. Consult your device manual to confirm exact requirements.
Temperature Range
Battery performance may vary with temperature extremes. Standard models work well indoors but cold reduces capacity. Consider wide-range options for outdoor or variable conditions.
Brand Reliability
Reputable brands invest in quality control and testing. Trusted names offer consistent performance and better warranties. Read reviews to gauge real-world reliability before buying.
How to Use and Care for Your 377A Watch Battery
Always store batteries in a cool dry place away from heat or direct sunlight. This prevents premature discharge and ensures maximum shelf life. Avoid humid environments to reduce corrosion risk.
Insert batteries carefully ensuring the positive side faces the correct terminal. Touching terminals directly can cause short circuits. Follow device instructions for safe and proper installation.
Recycle old batteries at designated centers to protect the environment. Do not throw them in fire or trash. Proper disposal prevents harmful substances from polluting the ecosystem.
Frequently Asked Questions
What devices use 377A watch batteries?
377A batteries power watches calculators toys laser pointers and medical devices. They also work in remote controls mini radios and digital cameras. Always check your device manual to confirm compatibility before purchase.
How long does a 377A battery last?
Typical lifespan ranges from one to three years depending on usage. High-drain devices drain faster than low-power ones. Proper storage in cool dry environments helps extend battery life significantly.
Is 377A the same as SR626SW?
Yes 377A is a common equivalent to SR626SW. Both provide 1.55V voltage and fit the same devices. Verify specifications before using as some variants may differ slightly.
Can I reuse a 377A battery?
No 377A batteries are single-use and not rechargeable. Attempting to recharge them can cause leakage or damage. Replace spent batteries with new ones for safe operation.
How do I know if a battery is expired?
Check the expiration date on the packaging before use. Expired batteries may have reduced voltage or increased self-discharge. Using fresh batteries ensures reliable performance for your devices.
Are 377A batteries mercury-free?
Most modern 377A batteries are mercury-free as per environmental standards. Look for labels stating mercury-free or environmental protection. Proper disposal remains necessary to avoid ecological harm.
Final Thoughts on Choosing the Best 377A Watch Battery
This guide highlighted ten top-rated 377A batteries balancing performance safety and value. From budget-friendly alkaline packs to premium silver oxide options there is a fit for every need.
Prioritize chemistry and shelf life based on your usage patterns. If you need stability for precision watches silver oxide is ideal. For bulk replacement alkaline offers solid economy.
Prices and availability may shift over time so verify current listings before purchase. Always confirm compatibility and expiry dates to ensure optimal results. Following these steps guarantees reliable power for your devices.