VARTA 1 piece SR57 watch battery. The VARTA SR57 (V399) silver oxide-zinc button cell is a high-quality watch battery with a voltage of 1.55 V, ideal for watches and other small electronic devices. This battery provides a reliable and consistent power supply, specifically for devices with low power requirements. The silver oxide-zinc technology ensures long-lasting performance and a long lifespan. It comes in a practical blister pack that allows for safe storage and easy handling. Perfect for precise watches and sensitive electronics that rely on a continuous power source.

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VARTA button batteries V399 offer consistent performance and are a reliable power source for all applications in home and household. They are perfectly suited for many devices with a constant, low energy consumption, such as remote controls, wearables, car keys, calculators, or measuring instruments. The SR57 button cell is heat and cold resistant, maintaining stable performance in all temperature conditions from -20 to +60 °C. Ready for long-term use: Unused and packaged, the button batteries remain viable for up to 3.5 years. No passivation and therefore highly corrosion-resistant for long-lasting functionality. Leak-proof technology makes the button cell battery particularly safe.