Duracell D389/390 1.55V Silver Oxide Watch/Electronic Button Cell Battery - 1pk (D389/390B)

Duracell D389/390 Battery - 1 Piece Retail Card

80mAh Silver Oxide Button Cell

As a compact silver oxide button cell, the Duracell D389/390 is the perfect candidate when looking for a replacement coin cell. The D389/390 boasts a nominal voltage of 1.55 volts and maintains a stable output voltage over the course of its service life of 3 years. Like other button cell batteries, the D389/390 is the ideal battery for powering smaller electronic medical equipment like hearing aids and glucometers, while on the other end of the spectrum, also being able to operate small electronic toys, PDAs, and calculators.