Brand New – Factory Sealed

Renata 379 SR521SW 1.55V Silver Oxide Swiss Made Watch Battery - 100 Pack 
(Factory Sealed in Original Packaging)

Product Description

Power your compatible precision electronics with the Renata 379 SR521SW 1.55V Silver Oxide Watch Battery. Manufactured in Switzerland, this silver oxide button cell is designed to deliver stable voltage for low-drain devices that require dependable and consistent performance. The Renata 379 (SR521SW) is commonly used in wristwatches, calculators, medical devices, key fobs, and other small electronic devices that specify the 379/SR521SW battery size.

With a nominal voltage of 1.55V, silver oxide chemistry, and compact dimensions, this battery is manufactured to meet industry specifications for precision electronic applications. Before purchasing, verify the required battery model for your device to ensure compatibility. The Renata 379 is also cross-referenced with several equivalent battery designations, including SR521SW, V379, and 618, depending on the device manufacturer.

Key Features

• Swiss Made Battery – Manufactured by Renata for use in compatible precision electronic devices.
• Stable 1.55V Output – Silver oxide chemistry provides consistent voltage for low-drain applications such as watches and calculators.
• Compatible with Multiple Battery Codes – Replaces devices requiring Renata 379, SR521SW, V379, 618, and other compatible equivalents.
• Compact Button Cell Design – Designed for devices requiring the 379/SR521SW battery size.
• Suitable for Compatible Devices – Commonly used in wristwatches, calculators, medical devices, key fobs, and other small electronics that specify a 379/SR521SW battery.

Specifications

Battery Model: 379 / SR521SW
Battery Type: Silver Oxide Button Cell
Nominal Voltage: 1.55V
Quantity: 100 Batteries