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Single‑use button battery Energizer 379, Silver‑Oxide 1.55 V, 5.8×2.1 mm
Summary description:
Energizer 379 is a single‑use button/coin cell using silver‑oxide chemistry with a nominal voltage of 1.55 V. With dimensions of 5.8 mm diameter and 2.1 mm height, it suits small electronic devices such as watches, calculators, medical instruments and key fobs. The battery provides stable voltage for low‑drain precision applications.