ENERGIZER Button Cell 390/389 – Watch Battery, 1 Piece

ENERGIZER Button Cell 390/389 – Reliable Power for Your Watch

The ENERGIZER button cell 390/389 (type SR54) is a high-quality silver oxide battery specifically designed for watches and other small devices. It delivers a stable voltage of 1.5 V throughout its life.

• Long-lasting silver oxide technology ensures constant power supply and reliable performance in your devices.
• Versatile compatibility – replaces over 20 common battery types such as SR54, 389, 390, and many more.
• Easy replacement – the button cell can be installed without special tools in watches and devices.
• 24 months manufacturer's warranty give you long-term peace of mind.

What sets the ENERGIZER button cell 390/389 apart

The silver oxide chemistry provides a particularly flat discharge curve, so the voltage remains nearly constant until full discharge. This makes it ideal for precise timekeeping in watches and for devices requiring a stable power supply.

Ideal for watch owners and tech enthusiasts

This button cell is the perfect choice for anyone seeking a reliable power source for their wristwatches, calculators, remote controls, or small medical devices. It is suitable for both private and commercial use.

How to use the button cell

Open the battery compartment of your device and remove the old battery. Insert the new ENERGIZER button cell with the positive side (+) facing up. Observe correct polarity. Close the compartment and check the function. Dispose of spent batteries in an environmentally friendly way at appropriate collection points.