Pack of 1 Duracell SR57 silver oxide button cells Duracell's long-lasting and reliable button batteries can be used in a wide range of applications, such as medical devices (blood glucose meters, heart rate monitors), security-related devices (bank card readers) and other electronic devices (watches, clock radios, pedometers, etc.). Duralock Power Preserve technology also keeps the batteries charged for up to 3 years in storage. This means that the desired power is available at all times. https://elecena.pl/product/24007025/068278-silver-oxide-button-cell-395-399-sr57-1-5-v-pack-of-1 2023-08-07 https://elecena.pl/product/24007025/068278-silver-oxide-button-cell-395-399-sr57-1-5-v-pack-of-1 2026-03-02