Energizer 371 Silver Oxide Button Cell Battery 34 MAh

Energizer 371 silver oxide button cell battery with durable, reliable power that keeps going. It delivers long-lasting power to your button-battery-operated devices, from household electronics like keyless entry systems, to e-books, toys, calculators, and watches, to heart rate and glucose monitors. And these zero-mercury coin batteries can hold power for up to five years in storage.