- Hold power for up to 5 years in storage
- Our silver oxide button batteries are responsibly designed with zero-mercury
- Delivers long-lasting, dependable power to your button-battery-operated devices, like medical devices, calculators, toys, and watches
There are regular speciality batteries, and then there are Energizer Speciality Batteries. So 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.