Get the durable, reliable power that keeps going with this Energizer 390/389 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.
Choose Energizer Speciality Batteries for long-lasting power you can count on when you need it.
Mercury Free
Better For You And The Environment.