The Renata 341 (also known as SR714SW, V341, D341, 627) is a precision-engineered silver‑oxide button battery made in Switzerland. With a stable voltage of 1.55 V and 15 mAh capacity, it delivers long-lasting power for low-drain wearable electronics and devices such as wristwatches, hearing aids, calculators, remote controls, and medical instruments. Built without mercury and featuring a sophisticated seal, it ensures leak-resistance, low self-discharge, and dimensional accuracy for dependable performance.