Varta Silver Oxide Button Cell Battery 389 - 1.55V, 85mAh, 11.6x3.1mm
1.93 GBP
Compact silver‑oxide button cell delivers steady 1.55 V for watches and small electronics, 85 mAh capacity, 11.6 × 3.1 mm size, reliable long‑term performance in a single‑use format.