renata batteries 379-sr 521-1pcs

The Renata 379 (SR521SW) is a high-quality Swiss-made silver oxide battery delivering 1.55V of power. This single button cell battery is designed for reliable performance in small electronic devices, offering precise and consistent power output. Key features: • 1.55V silver oxide battery • Swiss manufactured • Model 379/SR521SW • Button cell design • Single battery package • Professional grade quality This battery is commonly used in watches, calculators, small electronic devices, and other applications requiring a reliable button cell power source. The SR521SW is the standard cross-reference designation for this battery type. For optimal performance and longevity, store in a cool, dry place and handle with care during installation.