VARTA 391 Silver Oxide Battery 40mAh 11.6x2.1mm
3.29 GBP 1.61 GBP
51% Off
A compact silver‑oxide button cell delivering 1.55 V and 42 mAh, ideal for watches, key fobs or small electronic devices; its 11.6×2.1 mm size ensures a reliable power source in tight spaces.