New Arrivals/Restock

Energizer 379 Low Drain 1.55V Silver Oxide Batteries (5 Per Pack)

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Product details

Management number 239557521 Release Date 2026/07/14 List Price $3.14 Model Number 239557521
Category

The Energizer 379 (also known as the SR521SW) is a miniature silver oxide button cell specifically engineered for ultra-slim devices. It is one of the smallest watch batteries in common use, providing reliable, low-drain power.

  • Chemistry: Silver Oxide
  • Nominal Voltage: 1.55V
  • Typical Capacity: 14 mAh to 16 mAh (to a 1.2V cut-off)
  • Designation: ANSI-1191SO, IEC-SR63
  • Operating Temperature: -10°C to +60°C
  • Diameter: 5.8 mm
  • Height: 2.15
  • Weight: Approximately 0.23 grams
UPC 039800400017
ASIN B0D2JKMRK3
Brand Energizer
Voltage 1.55 Volts
Unit Count 5.0 Count
Reusability Single Use
Manufacturer Energizer
Model Number 379
Antenna Location Watch
Battery Cell Type Silver Oxide
Number of Batteries 5 Nonstandard Battery batteries required.

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