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Single-use button battery Duracell SR44 (303/357) Silver‑Oxide, model 013858
Summary description:
Duracell SR44 (303/357) is a single‑use button/coin cell battery using silver‑oxide chemistry. It matches SR44/303/357 sizes and provides stable voltage for small electronic devices such as watches, calculators, medical instruments, and key fobs. Intended for low to moderate drain applications where compact size and reliable discharge are required.