Renata Watch Battery 381

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Price:$3.43

Item #:BA381

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Renata No. 381
Cross Reference: SR1120SW
Dimensions(mm) 11.6 x 2.1
Nominal Capacity(mAh)50
Silver Oxide 0% Mercury Batteries
Low Drain
1.55v

Renata has first-hand knowledge of what a high quality watch battery must stand for:

an optimised volume/capacity ratio
dimensional precision and stability
high capacity retention on storage (low self-discharge)
excellent reliability thanks to a uniformly high quality level
state of the art leak proofness thanks to a new sophisticated sealing process
constant availability

Renata's professional expertise is worth having on your side. And in your watches.

For applications with a continuous, low power consumption.
Mercury Free

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Q: What is the shelf life of a 381 battery?

Asked by: Leonard Hawkns - 1/20/2026

A: Renata batteries have a shelf life of 5-10 years when stored properly in a cool, dry place at room temperature. We store our batteries in optimal conditions to ensure you receive fresh product with maximum shelf life remaining.

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Answer provided by: JSC (2/9/2026)

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