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The ENERGIZER 389BPZ is a zero-mercury specialty coin battery rated at 1.5 volts, designed for use in small electronic devices that require a compact, long-lasting power source. This silver oxide coin cell delivers stable voltage output suited to precision instruments and low-drain applications. The zero-mercury formulation meets current environmental standards for battery manufacturing. It is sold individually as a single-pack unit and is a direct replacement battery for devices specifying the 389 cell size. Installers, technicians, and service professionals who stock and replace small batteries in electronic equipment will find this a straightforward, drop-in solution.
The 389BPZ coin battery is typically used in watches, calculators, medical devices such as glucose monitors, hearing aids, and other compact electronics requiring a reliable 1.5-volt silver oxide cell. It suits any service environment where small battery replacements are performed, including field service kits maintained by trade professionals who service electronic control components, sensors, or handheld instruments.
Designed as a replacement for devices specifying the 389 size silver oxide coin cell battery.
Coin cell battery replacement is a straightforward task requiring no special tools beyond a small screwdriver or case-opening tool appropriate to the device. Always power down or turn off the device before opening the battery compartment. Observe correct polarity markings inside the compartment when seating the new cell. Dispose of the spent battery in accordance with local regulations governing small battery recycling.
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