Silver-Oxide Battery SR57 | 1.55 V DC | 51 mAh | 1-Pack | Watch | Silver

Get the durable, reliable power that keeps going with this Energizer 395/399 Silver Oxide Button Cell Battery.
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 5 years in storage.