Best Silver Oxide Watch Batteries of 2026

John Zimmer Avatar
John Zimmer
Last Updated: 11 Feb 2026

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Silver oxide watch batteries are small, button-shaped batteries commonly used to power wristwatches, calculators, and other small electronic devices. These batteries are known for their long lifespan, high energy density, and stable voltage output. They are also lightweight and compact, making them ideal for use in small devices. While there are other types of watch batteries available, silver oxide batteries are a popular choice due to their reliability and compatibility with a wide range of devices.

At a Glance: Our Top Picks

Duracell 377 Silver Oxide Watch Battery Cover #TOP 1
Duracell 377 Silver Oxide Watch Battery
ftb score rating icon 9.9
Renata 377 Silver Oxide Watch Batteries Cover #TOP 2
Renata 377 Silver Oxide Watch Batteries
ftb score rating icon 9.8
Renata Silver Oxide Watch Battery, 2 Pieces Cover #TOP 3
Renata Silver Oxide Watch Battery, 2 Pieces
ftb score rating icon 9.6

Top 6 Silver Oxide Watch Batteries

Duracell 377 Silver Oxide Watch Battery

Silver
1 Count (Pack of 1)
Duracell 377 Silver Oxide Watch Battery Cover
Duracell 377 SR626SW SB-AW AG4 1.55v Silver Oxide Watch Battery

The Duracell 377 Battery is a reliable choice for your timepieces, providing a steady 1.55 volts of power. Made from high-quality silver oxide, it ensures longevity and consistent performance, so you won’t have to replace it frequently. This battery is designed to replace several models, including 377, SR626SW, SB-AW, and AG4, making it a versatile option for various watches. With its long-lasting capabilities, you can trust this battery to keep your watches running smoothly and accurately.

What We Like
Long-lasting performance
High-quality silver oxide
Versatile replacement options
Reliable 1.55V power
#TOP 2

Renata 377 Silver Oxide Watch Batteries

Renata
silver
Renata 377 Silver Oxide Watch Batteries Cover
2 X Renata Watch Battery - Swiss Made - Silver Oxide Renata Batteries - Renata 377 (SR626SW)

The Renata 377 Batteries are high-quality Swiss-made watch batteries, providing a reliable 1.55V power source for your timepiece. They serve as an excellent alternative to various models, ensuring compatibility with many watches. With 0% mercury, these batteries are environmentally friendly, allowing you to use them without concern for harmful substances. Furthermore, their long battery life means you can enjoy extended periods of functionality, keeping your watch running smoothly without frequent replacements.

What We Like
High-quality Swiss-made batteries
Compatible with various models
Environmentally friendly, 0% mercury
Long-lasting battery life
#TOP 3

Renata Silver Oxide Watch Battery, 2 Pieces

364 SR621SW
364 (SR621SW)
Renata Silver Oxide Watch Battery, 2 Pieces Cover
Renata Silver Oxide Watch Battery, 2 Pieces, 2.3 g

The Renata Watch Battery Pack includes two genuine Renata batteries, ensuring reliability and quality for your timepieces. With a selection of 40 sizes, you can easily find the right fit for your watch. This pack provides convenience, so you always have a spare battery on hand. Each 2.3 g battery is designed to deliver optimal performance, making it an excellent choice for anyone needing dependable power for their watches.

What We Like
High-quality genuine batteries
Includes two batteries
Wide range of sizes
Easy to find suitable size
#TOP 4

Renata Silver Oxide Swiss 399 Watch Battery Twin Pack

399 / SR927W
Renata Silver Oxide Swiss 399 Watch Battery Twin Pack Cover
Renata Silver Oxide Swiss Made Watch Battery - 399 (SR927W)

The Renata 399 Watch Battery offers original Swiss-made silver oxide cells, ensuring reliable and long-lasting power for your watch. With the convenience of two batteries included, you have a spare ready when needed, saving you time and effort. The product also supports a size finder with 40 different sizes, making it easier for you to select the perfect fit for your specific watch model. This thoughtful inclusion helps you avoid guesswork and ensures your watch runs smoothly with the correct battery size.

What We Like
Original Swiss-made batteries
Includes two batteries
Supports size finder
Available in 40 sizes

Maxell Silver Oxide Watch Batteries SR626SW

MAX377x2
Maxell Silver Oxide Watch Batteries SR626SW Cover
2 x Maxell Silver Oxide Watch Single Use Battery Batteries SR626SW/377/AG4/626

The Maxell SR626SW Watch Batteries are specifically designed for wrist watches, offering a reliable power source. With a diameter of 6.8mm and a thickness of 2.6mm, these batteries fit seamlessly into most standard watch models. They utilise silver oxide technology, which provides a consistent voltage of 1.55V, ensuring your watch runs smoothly. By choosing these batteries, you can enjoy the convenience of long-lasting performance, avoiding frequent replacements and keeping your timepiece functioning perfectly.

What We Like
Ideal for wrist watches
Long-lasting silver oxide technology
Standard size fits most watches
Consistent 1.55V voltage
#TOP 6

Renata 370 SR920W Silver Oxide Watch Battery

2 Batteries
Renata 370 SR920W Silver Oxide Watch Battery Cover
Renata 370 SR920W Batteries - 1.55V Silver Oxide 370 Watch Battery (2 Count)

The Renata 370 Battery offers superior leakage resistance, ensuring your devices stay powered without the worry of damage. With a nominal voltage of 1.55V and a capacity of 40 mAh, it provides reliable energy for various applications, from watches to calculators. You’ll appreciate its high capacity retention during storage, as it boasts low self-discharge, making it a convenient choice. Experience Swiss quality and consistent performance, battery after battery, to keep your essential gadgets functioning smoothly.

What We Like
Superior leakage resistance
Long-lasting power retention
Versatile use for many devices
Swiss quality assurance
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Which is better silver oxide or lithium watch batteries?

Compared with alkaline batteries, silver oxide batteries have a flatter discharge curve, and compared with lithium-ion batteries, silver oxide batteries have a greater run time. Also, silver oxide batteries do not have flammability problems and are free from thermal runaway, unlike their lithium-ion counterpart.

2. Which watch battery is better silver oxide or alkaline?

Where Silver Oxide cells score over their Alkaline counterpart is in their ability to maintain a more stable voltage. This characteristic makes them better for clocks and watches and absolutlely essential for metering equipment (like light meters in cameras for example) where a stable voltage is required.

3. Are silver oxide batteries good?

The Silver Oxide batteries are primary cells with a very high energy to weight ratio. It has about twice the energy capacity as button-type alkaline batteries. Although the name Silver Oxide may not sound familiar, it is a frequently used battery.

4. Do they still make silver oxide batteries?

Silver-oxide primary batteries account for 30% of all primary battery sales in Japan (64 out of 212 million in February 2020)....Silver-oxide battery.

Editor's Notes

During our silver oxide watch battery research, we found 234 silver oxide watch battery products and shortlisted 6 quality products. We collected and analyzed 167,911 customer reviews through our big data system to write the silver oxide watch batteries list. We found that most customers choose silver oxide watch batteries with an average price of £2.62.

The silver oxide watch batteries are available for purchase. We have researched hundreds of brands and picked the top brands of silver oxide watch batteries, including Duracell, Best Price Square, Renata, Maxell.

Written by
John Zimmer Avatar

John Zimmer is a truly professional writer on findthisbest.com. He has specialized in writing content a wide variety of fields for over a decade. Since 2011, he has been using his expertise and extensive experience to write content for online shopping guide websites. In addition to writing for findthisbest.com, he has appeared in publications such as The Spruce, Wirecutter and Bestbuy.