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10 Best 377A Watch Battery in 2026

This guide compares the top 377A watch battery options for reliability, capacity, and value to help you choose the right power source for your devices.

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In this guide
  1. 01Top 3 picks
  2. 02Compare all 10
  3. 03In-depth reviews
  4. 04Buying guide
  5. 05Use and care
  6. 06Common questions
  7. 07Final verdict

Finding the right power source for your small electronics can be tricky. The 377A watch battery is a popular choice for watches, calculators, and other gadgets. It provides consistent voltage and long life for reliable performance.

We compared ten top-rated options based on capacity, shelf life, and user feedback. Each product offers unique features like leak-proof technology or eco-friendly materials. Our list covers both alkaline and silver oxide chemistry types.

Each pick highlights key specs and real-world performance. Prices change frequently so check current listings before buying. This guide helps you match the right battery to your specific device needs easily.

Top 3 Picks for Best 377A Watch Battery

Best Budget

TXY 10pcs/Pack AG4 Alkaline Cell Battery
TXY 10pcs/Pack AG4 Alkaline Cell Battery

4.6Editor score

Affordable bulk pack option
Low self discharge technology
Mercury free environmental safe

Check price

Editor's Choice

LiCB 10 Pack SR626SW 377 Watch Battery
LiCB 10 Pack SR626SW 377 Watch Battery

4.7Editor score

High capacity silver oxide cells
Three years shelf life guaranteed
Leak proof and certified safe

Check price

Best Premium

Duracell 377/376 Silver Oxide Button Batteries
Duracell 377/376 Silver Oxide Button Batteries

4.7Editor score

Trusted brand reliability
Four years storage guarantee
Child secure packaging included

Check price

Top 10 Best 377A Watch Battery in 2026 Compared

This table compares all ten selected products side by side. Look at key specs like voltage capacity and compatibility to find the perfect fit for your devices.

ProductsSpecificationsEditor scorePrice
1TXY 10pcs/Pack AG4 Alkaline Cell Battery

Best Budget

TXY 10pcs/Pack AG4 Alkaline Cell Battery
Model AG4 1.55V
20mAh high capacity
10 pieces per pack
Mercury free design
4.6Editor score

Check price

2LiCB 10 Pack SR626SW 377 Watch Battery

Editor's Choice

LiCB 10 Pack SR626SW 377 Watch Battery
Silver oxide chemistry type
1.55V nominal voltage
3 years shelf life
CE ROHS certified
4.7Editor score

Check price

3SR626SW Watch Batteries 377 376 LR626

Best Premium

SR626SW Watch Batteries 377 376 LR626
Ag4 equivalent battery
Full 1.5V charge
2 years shelf life
Wide device compatibility
4.7Editor score

Check price

4Energizer 377/376 Watch Batteries

Energizer 377/376 Watch Batteries
Button type cell design
5 pieces per pack
Replaces SR626W
Audio video power supply
4.7Editor score

Check price

5LOOPACELL 377/376 Silver Oxide Watch Batteries

LOOPACELL 377/376 Silver Oxide Watch Batteries
Advanced silver oxide chemistry
5 pieces included
Leak proof technology
Long lasting performance
4.6Editor score

Check price

610pcs 1.5V AG4 LR626 Alkaline Button Battery

10pcs 1.5V AG4 LR626 Alkaline Button Battery
6.8mm diameter size
10 pieces per pack
High energy density
Long lifespan usage
4.7Editor score

Check price

7LiCB 20 Pack SR626SW 377 626 Watch Battery

LiCB 20 Pack SR626SW 377 626 Watch Battery
20 pieces per pack
Grade A cells
3 years shelf life
Medical device ready
4.7Editor score

Check price

8SKOANBE 10Pack SR626SW 377 LR626 AG4 1.5V Watch Battery

SKOANBE 10Pack SR626SW 377 LR626 AG4 1.5V Watch Battery
Fresh battery pack
3 years shelf life
Multiple compatibility types
10 pieces included
4.6Editor score

Check price

9Duracell 377/376 Silver Oxide Button Batteries

Duracell 377/376 Silver Oxide Button Batteries
4 years storage guarantee
Child secure packaging
2 pieces per pack
Trusted brand quality
4.7Editor score

Check price

10DURNERGY SR626SW Watch Battery 10 Pack

DURNERGY SR626SW Watch Battery 10 Pack
Anti misalignment design
10 pieces per pack
Wide temperature range
Green eco friendly
4.7Editor score

Check price

1. LiCB 10 Pack – Best Overall 377A Watch Battery

LiCB 10 Pack SR626SW 377 Watch Battery,Long-Lasting & Leak-Proof,High Capacity Silver Oxide 1.55V Button Cell Batteries for Watch4.7Editor scoreCheck price on Amazon
LiCB 10 Pack SR626SW 377 Watch Battery
Silver oxide 1.55V
High capacity Grade A
3 years shelf life
CE ROHS certified

The LiCB 10 Pack offers top rated performance for most small electronics. With a 4.7 star rating users trust its reliability for watches and medical devices.

Pros

  • Consistent voltage output
  • Leak proof technology
  • Fresh cells guaranteed
  • Works with many devices
  • Good value for 10

Cons

  • Packaging hard to open
  • Limited availability in stores

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These silver oxide cells maintain full voltage until depletion. CE and ROHS certification ensures safety. The three year shelf life means batteries are fresh when needed.

Some users find the blister pack packaging difficult to open without tools. This is a minor trade-off for the quality control and safety standards maintained.

Ideal for those needing reliable power for multiple devices at once. The fresh cells ensure your watches run accurately for longer periods without unexpected failures.

Superior Silver Oxide Chemistry

Silver oxide provides more stable voltage than alkaline. This ensures your watch runs consistently without fading over time.

Reliable Fresh Guarantee

Each pack guarantees full 1.5 volts charge upon arrival. You avoid the risk of buying old stock that drains quickly.

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2. TXY 10pcs/Pack – Best Budget 377A Watch Battery

TXY 10pcs/Pack AG4 Alkaline Cell Battery 377A 377 LR626 SR626SW 20mAh Long Lasting Button Batteries for Toys Remote Camera4.6Editor scoreCheck price on Amazon
TXY 10pcs/Pack AG4 Alkaline Cell Battery
Model AG4 1.55V
20mAh capacity
10 pieces per pack
Mercury free safe

TXY offers an affordable option for users needing multiple batteries. With a 4.6 rating it is popular for toys and cameras where cost matters.

Pros

  • Very affordable price
  • Low self discharge
  • Mercury free design
  • Sealed steel case
  • 10 pieces in pack

Cons

  • Alkaline vs oxide
  • Shorter shelf life

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Low self discharge extends storage time up to four years. The stainless steel construction prevents leaks. Mercury free materials make disposal safer for the environment.

Alkaline cells may not last as long as silver oxide in high drain devices. For low power toys this trade off is acceptable for the savings.

Great for households needing spares without breaking the bank. Keep a few in a cool dry place to maximize their effective lifespan.

Eco Friendly Safe Materials

Production excludes lead cadmium and mercury. This protects the environment and ensures safe handling for users of all ages.

Cost Effective Bulk Pack

Ten batteries in one package reduce per unit cost. Ideal for families with multiple toys and remotes to power.

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3. SR626SW Watch Batteries – Reliable 377A Watch Battery

SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))4.7Editor scoreCheck price on Amazon
SR626SW Watch Batteries 377 376 LR626
Ag4 equivalent battery
Full 1.5V charge
2 years shelf life
Wide device compatibility

This pack provides solid performance for watches and calculators. With a 4.7 rating it balances cost and quality effectively for daily use.

Pros

  • Stable voltage output
  • High discharge efficiency
  • 10 pieces included
  • Protects equipment well
  • Works with many items

Cons

  • Alkaline type limits life
  • Packaging not premium

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The high discharge efficiency protects sensitive electronics. Voltage remains stable ensuring accurate timekeeping. The pack includes ten batteries for backup needs.

Alkaline chemistry may drain faster in high demand devices. Users should check device compatibility to ensure optimal performance and longevity.

Suitable for general electronics and toys. Store in a dark cool place to maintain freshness and prevent premature voltage drops.

Equipment Protection

High efficiency ensures your devices run smoothly. This reduces the risk of voltage spikes damaging internal components.

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4. Energizer 377/376 Watch Batteries – Trusted Brand 377A Watch Battery

Energizer 377/376 Watch Batteries (Pack of 5)4.7Editor scoreCheck price on Amazon
Energizer 377/376 Watch Batteries
Button type cell
5 pieces per pack
Replaces SR626W
Audio video power

Energizer is known for dependable battery solutions. This pack offers five replacements ideal for quick changes in watches or remotes.

Pros

  • Trusted brand reputation
  • Reliable performance
  • 5 pieces included
  • Easy to find
  • Quick replacement

Cons

  • Small pack size
  • Higher price point

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Designed to replace SR626W and similar types. The button cell design fits standard slots. Users appreciate the reliability and consistent output.

Pack size of five is smaller than bulk options. You may need to buy multiple packs for larger needs. Price reflects the brand premium.

Perfect for urgent replacements where brand trust matters most. Ensure you buy from verified sellers to avoid counterfeits in the market.

Brand Reliability

Energizer maintains strict quality standards. Users trust these cells for critical devices like medical equipment and watches.

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5. LOOPACELL 377/376 – Value 377A Watch Battery

LOOPACELL 377/376 / SR626W / SR626SW / Silver Oxide Watch Batteries (Pack of 5) - 1.55V Long Lasting Coin Cell Battery for Watches, Toys, Decorations, Wristwatches, Remote Control, Mini Radio4.6Editor scoreCheck price on Amazon
LOOPACELL 377/376 Silver Oxide Watch Batteries
Silver oxide chemistry
5 pieces per pack
Leak proof tech
1.55V voltage

LOOPACELL provides high value for those needing reliable power. This pack offers five batteries with advanced silver oxide technology for longer life.

Pros

  • Anti-corrosion elements
  • Leak proof design
  • Ready to use
  • Stable supply
  • Good for toys

Cons

  • Smaller pack size
  • Limited availability

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Leak proof technology and anti-corrosion elements ensure stable supply. Even after years of storage these cells remain ready for use.

Pack size of five may require multiple purchases for large collections. Check availability before buying to avoid delays in your project.

Best for watches and toys needing instant power. The convenient packaging makes them easy to open and insert quickly.

Anti-Corrosion Protection

Elements prevent oxidation over time. This ensures the terminals stay clean and functional for future usage.

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6. 10pcs 1.5V AG4 – Practical 377A Watch Battery

10pcs 1.5V AG4 LR626 Alkaline Button Battery L626 LR626 LR66 SR626 377 SR626SW Batteries Coin Cells for Watches Calculators Toys4.7Editor scoreCheck price on Amazon
10pcs 1.5V AG4 LR626 Alkaline Button Battery
6.8mm diameter
10 pieces per pack
High energy density
Long lifespan

This pack is practical for toys and calculators needing steady power. With a 4.7 rating it offers good performance for everyday electronics.

Pros

  • Continuous power output
  • Energy dense design
  • Works with calculators
  • 10 pieces included
  • Easy to insert

Cons

  • Alkaline limitations
  • Shorter life

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The energy density ensures long lifespan for low drain devices. The 6.8mm diameter fits standard slots accurately. Keep batteries in a dry place.

Alkaline types may drain faster than silver oxide. For toys this is often acceptable. Check device manual for compatibility before purchasing.

Suitable for bulk needs like parties or events. Keep a few spares on hand for quick replacements when batteries die.

High Energy Density

Compact cells deliver consistent power. This is crucial for small devices requiring long battery life.

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7. LiCB 20 Pack – Bulk 377A Watch Battery

LiCB 20 Pack SR626SW 377 626 Watch Battery 1.5V Button Cell Batteries4.7Editor scoreCheck price on Amazon
LiCB 20 Pack SR626SW 377 626 Watch Battery
20 pieces per pack
Grade A cells
3 years shelf life
Medical device ready

Ideal for large households or events requiring many batteries. This pack offers twenty high quality cells tested under strict standards.

Pros

  • Large bulk quantity
  • Grade A cells
  • 3 years shelf life
  • Fresh battery guarantee
  • Strict quality tested

Cons

  • Storage required
  • Higher upfront cost

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Grade A cells ensure longer life and power. The three year shelf life means you can stock up safely. CE ROHS certified for safety.

Storage needs increase with bulk quantity. You must keep them in a cool dry place to maintain freshness and performance.

Perfect for families with multiple devices and remotes. Buy when on sale to maximize value for money and reduce cost per unit.

Strict Quality Control

Each cell is tested to high standards. This reduces the risk of receiving a dead or weak battery.

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8. SKOANBE 10Pack – Convenient 377A Watch Battery

SKOANBE 10Pack SR626SW 377 LR626 AG4 1.5V Watch Battery4.6Editor scoreCheck price on Amazon
SKOANBE 10Pack SR626SW 377 LR626 AG4 1.5V Watch Battery
Fresh battery pack
3 years shelf life
Multiple compatibility
10 pieces included

SKOANBE offers fresh batteries guaranteed for three years. This pack provides ten cells ready for immediate use in watches or toys.

Pros

  • Fresh guaranteed
  • Long shelf life
  • Multiple compatibility
  • 10 pieces included
  • Secure packaging

Cons

  • Packaging tight
  • No tool included

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Full 1.5 volts charge upon arrival ensures reliability. The packaging is secure to protect terminals. Multiple compatibility types fit many devices.

Packaging can be tight making removal difficult. Users might need scissors to open the pack safely without damaging cells.

Good for general use and backup storage. Keep them in a dark place to ensure they last until you need them.

Freshness Guarantee

The brand ensures batteries arrive at full charge. This avoids the frustration of replacing a battery that fails immediately.

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9. Duracell 377/376 – Premium 377A Watch Battery

Duracell 377/376 Silver Oxide Button Batteries, 2 Count (Pack of 1), Battery with Long-Lasting Power for Watches, Calculators, and More4.7Editor scoreCheck price on Amazon
Duracell 377/376 Silver Oxide Button Batteries
4 years storage guarantee
Child secure packaging
2 pieces per pack
Trusted brand

Duracell is a trusted brand for safety and performance. This pack guarantees four years storage life. Ideal for watches and thermometers.

Pros

  • Guaranteed storage life
  • Safety packaging
  • Trusted brand
  • Reliable power
  • Wide device support

Cons

  • Small pack count
  • Higher price

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Child secure packaging makes it hard to open without tools. This protects children from accidental access. The silver oxide tech ensures long lasting power.

Small pack count means frequent purchases for high use. Price is higher but safety features justify it. Always check seals upon delivery.

Perfect for safety conscious users and families with kids. The guaranteed storage life ensures you have fresh power ready for emergency.

Child Secure Safety

Packaging requires scissors to open. This prevents children from accessing small batteries safely at home.

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10. DURNERGY SR626SW – Eco 377A Watch Battery

DURNERGY SR626SW Watch Battery 10 Pack, AG4 Alkaline Button Cell Battery, 377/376 Watch Batteries, 1.5V LR626 Batteries 377A4.7Editor scoreCheck price on Amazon
DURNERGY SR626SW Watch Battery 10 Pack
Anti-misalignment design
10 pieces included
Wide temp range
Green eco friendly

DURNERGY offers an eco friendly design with individual cutting. This pack provides ten cells with stable voltage and wide temperature range.

Pros

  • Individual cut design
  • Anti misalignment feature
  • Wide temperature range
  • Mercury free
  • 10 pieces per pack

Cons

  • Requires careful handling
  • Newer brand

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Anti misalignment design helps store unused batteries. The sealed steel case prevents leakage. 18 years in industry ensures quality testing.

Requires careful handling to avoid short circuits. The pinching edges advice is crucial. Check packaging seals before opening the pack.

Best for users needing eco friendly options. The individual cut allows removing batteries without disturbing others in the pack.

Anti Misalignment Design

Each battery can be cut individually. This keeps the remaining ones secure and prevents them from getting misplaced.

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Buying Guide – How to Choose the Best 377A Watch Battery

Choosing the right battery requires understanding chemistry compatibility and lifespan. This guide covers key factors to ensure you select the best power source for your device.

Chemistry Type

Battery chemistry determines voltage stability and lifespan. Silver oxide offers stable voltage for watches while alkaline is cost effective for toys.

Choose silver oxide for precision devices and alkaline for low drain items.

Shelf Life

Shelf life indicates how long batteries stay fresh in packaging. Look for packs with guaranteed shelf life to ensure readiness when needed.

Prioritize products offering three to four years shelf life.

Leak Protection

Leak protection technology prevents corrosive leaks from damaging devices. Look for sealed cases and anti corrosion elements in the battery design.

Select batteries with leak proof guarantees to protect expensive electronics.

Pack Size

Pack size affects value and convenience. Bulk packs reduce cost per unit but require more storage space at home.

Buy bulk packs for frequent users and single packs for occasional needs.

Compatibility

Ensure the battery matches your device model like SR626 or LR626. Check the manufacturer's list of equivalent codes before purchasing.

Always verify compatibility codes to avoid improper fit or failure.

Safety Certification

Certifications like CE and ROHS ensure safety standards are met. Mercury free options are safer for the environment and handling.

Choose certified mercury free batteries for safer handling and disposal.

Temperature Range

Wide temperature range ensures batteries work in different environments. Some options support usage from cold to hot conditions.

Check temperature specs if your device is exposed to varying heat.

Brand Reputation

Established brands often offer better quality control and warranties. Trusted names may cost more but provide reliability and consistent performance.

Opt for trusted brands for critical devices where reliability matters most.

How to Use and Care for Your 377A Watch Battery

Always insert the battery with the correct polarity to prevent short circuits. Check the positive and negative signs on your device.

Store unused batteries in a cool dry place to extend their lifespan. Avoid exposing them to direct sunlight or humidity.

Dispose of used batteries properly according to local recycling guidelines. Do not throw them into fire or attempt to recharge them.

Frequently Asked Questions

What is the difference between 377 and 377A?

The 377A usually refers to the same silver oxide cell as 377. Sometimes A indicates a variant but generally they are interchangeable. Check your device manual for exact compatibility.

How long does a 377A watch battery last?

Lifespan varies by device drain but typically ranges from 18 months to two years. Silver oxide batteries last longer than alkaline in watches.

Can I use LR626 instead of SR626SW?

Yes LR626 is an alkaline equivalent of SR626SW. However voltage may drop faster in high drain devices. SR626SW is better for precise electronics.

Are these batteries safe for children?

They are safe when used in toys but keep loose batteries away from kids. Child secure packaging helps prevent accidental swallowing or mishandling.

What should I do if a battery leaks?

Clean the corrosion with a dry cloth and vinegar if possible. Wear gloves and dispose of the leaking battery immediately to prevent damage.

Why did my battery drain so fast?

Fast drain can occur from short circuits or using alkaline in high drain devices. Check device seals and choose silver oxide for long life.

Can I recycle these button batteries?

Yes button batteries should be recycled at specialized drop off points. Do not put them in regular trash due to potential environmental hazards.

Do I need to change all batteries at once?

Changing all at once ensures uniform power across devices. This prevents issues where one old battery drains the others quickly.

Final Thoughts on Choosing the Best 377A Watch Battery

This guide covered ten reliable options for your power needs. LiCB and TXY offer excellent value for different use cases.

Prioritize battery chemistry and safety features when shopping. Silver oxide is best for watches while alkaline suits toys well.

Prices change frequently so check current listings before purchase. This guide helps you match the right battery to your specific device needs easily.