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SR521SW-379 1.55v Silver Oxide Button Battery
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SR521SW-379 1.55v Silver Oxide Button Battery


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  • SR521SW-379

  • Liangba

SR521SW-379 1.55v Silver Oxide Button Cell for Smart Watches  Overview

Guangzhou Dolphin Information Technology Co., Ltd. presents the SR521SW-379 1.55v Silver Oxide Button Cell, specifically designed for smart watches. This high-quality battery ensures reliable and long-lasting power for your smart watch, allowing you to stay connected and enjoy its features without interruption. With its silver oxide technology, this button cell offers excellent performance and durability. Trust in the SR521SW-379 to provide the necessary energy for your smart watch, ensuring optimal functionality and convenience.

Product Feature

Provide long working timeEnsures that devices can operate for extended periods without needing frequent battery replacements, improving convenience and efficiency.
Good leak-proof performancePrevents battery leakage, protecting devices from damage and ensuring safe and reliable operation.
Stable voltageMaintains a consistent voltage output, ensuring stable and reliable performance of devices.
Wide temperature range usabilityCan be used in a wide range of temperatures, allowing devices to function properly in various environments.
Suitable for low current continuous useIdeal for devices that require long-term continuous use with low power consumption, extending the battery life and reducing the need for frequent replacements.

Product Application

  1. This SR521SW-379 1.55v Silver Oxide Button Cell is commonly used in electric tool industries to power small handheld tools such as electric screwdrivers and drills, providing reliable and long-lasting energy for efficient operation.

  2. In the toy industry, this button cell is utilized in electric toys to enable various functions such as sound effects, lights, and motion, enhancing the overall play experience for children.

  3. Smart watches in the gift industry often require this SR521SW-379 button cell to power their advanced features such as heart rate monitoring, GPS tracking, and notification alerts, ensuring seamless functionality and prolonged usage.

  4. This button cell is frequently employed in the electric tool industry to power precision instruments such as laser levels, digital calipers, and electronic measuring devices, enabling accurate and reliable measurements for professionals.

  5. In the gift industry, this SR521SW-379 button cell is used in small electronic gadgets and novelty items such as keychain flashlights, mini calculators, and digital thermometers, providing convenient and portable power sources for everyday use.

Safety Instructions

  • Handle with care to avoid short circuit or damage to the battery.

  • Do not dispose of the battery in fire or heat it above the recommended temperature.

  • Keep the battery away from children and pets to prevent accidental ingestion.

  • Do not attempt to disassemble or modify the battery.

  • Store the battery in a cool, dry place away from direct sunlight and moisture.


  • Q :What are the advantages of SR521SW-379 button cell?

  • A :Low internal resistance, high capacity, long working time, good leak-proof performance, stable voltage.

  • Q :In which temperature range can SR521SW-379 button cell be used?

  • A :It can be used in a wide temperature range.

  • Q :What are the common applications of SR521SW-379 button cell?

  • A :Ladies' electronic watches, men's electronic watches, electronic thermometers, calculators, high-tech electronic industries, electric tool toy gift industries, testing instruments, cameras, radio instruments, and various flash generators.

  • Q :What is the voltage characteristic of SR521SW-379 button cell?

  • A :It has the most average voltage characteristics among various button batteries.

  • Q :What type of devices are suitable for SR521SW-379 button cell?

  • A :Appliances that require long-term continuous use with low current.

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