1.5v Watch Battery

Energizer 389 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.

• High-energy density, long life power source
• Replacement for 10L122, 280-15, 389/390, D389/390, SB-BU, SR1130W, and SR54