The Renata 370 SR920W is a high-drain, silver oxide button cell battery engineered for devices requiring quick bursts of power. Delivering 1.55V with a 40mAh capacity, it is perfect for digital watches, laser pointers, medical instruments, and other precision electronics. Manufactured in Switzerland, this original Renata battery ensures long shelf life, leak resistance, and dependable performance. Its high-drain chemistry supports devices with greater power demands.