Duracell D394 Single-use battery Silver-Oxide (S)

The Duracell 392/384 is a single-use silver-oxide battery delivering 1.5 V in a compact button/coin format. With dimensions of approximately 16 mm diameter and 3 mm thickness and a lightweight construction, it is designed for small electronic devices where stable voltage and long shelf life are required. This battery is commonly used where dependable, low-drain power is needed for precision timing and memory retention in small consumer electronics.

Advantages

Duracell silver-oxide chemistry provides a stable 1.5 V output and consistent performance over the service life of the cell. The compact coin design offers easy installation in tight compartments and minimal impact on device weight and form factor. Internal construction reduces leakage risk and supports long storage life, making the battery suitable for standby applications and devices with intermittent use.

Suitable for

Key specifications

How to use

Install the battery with correct polarity as indicated in the device battery compartment; the flat positive side typically faces upward in most coin cell holders. Ensure the device is powered off when replacing the battery to prevent short circuits. After installation, verify device operation and proper seating of the battery. Dispose of the used battery according to local regulations for battery recycling and hazardous waste.

Recommendations

Store the battery in a cool, dry place away from direct sunlight and metal objects to avoid accidental shorting. Keep out of reach of children; if swallowed, seek immediate medical attention. For optimal device performance, replace the battery when low-voltage symptoms appear (slow display, loss of memory or timing). Do not attempt to recharge or disassemble the cell.