Renata 399 Battery
The Renata 399 is a high-quality silver oxide button cell battery designed to provide reliable, long-lasting power for watches, calculators, medical devices and other compact electronic equipment. Manufactured by Renata in Switzerland, the 399 delivers a stable 1.55V output and consistent performance throughout its service life.
With its compact design and dependable power delivery, the Renata 399 is an excellent replacement for compatible 399-size button cell batteries.
Key Features:
- Brand: Renata
- Model: 399
- Chemistry: Silver Oxide (SR)
- Voltage: 1.55V
- Reliable and stable power output
- Excellent shelf life
- Compact button-cell design
- Swiss-made quality
Common Applications:
- Wristwatches
- Calculators
- Electronic instruments
- Medical and measuring devices
- Small electronic equipment
The Renata 399 provides dependable, consistent power in a compact silver oxide button cell, making it a reliable replacement for a wide range of compatible devices.

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