Single-use battery Varta V390 Silver-Oxide

The Varta V390 is a single-use silver-oxide button cell that delivers 1.55 V in a compact coin format. With a diameter of 11.6 mm, height of 3.05 mm and a weight of 1.32 g, this primary battery is designed for small electronic devices that require stable low-voltage power. Manufactured by VARTA Microbattery with mercury-free chemistry and precision production, the cell offers high leakage resistance and low self-discharge for reliable long-term performance.

Advantages

The Varta V390 provides a constant voltage level and long running time for low-drain applications. Its silver-oxide chemistry and innovative sealing technology ensure high resistance to leakage and stable performance over extended storage and use. Production on fully automated lines and the use of high-quality raw materials contribute to consistent quality and reliability.

Suitable for

• Wrist watches
• Calculators
• Small electronic toys
• Remote controls and key fobs
• Miniature medical devices with low-drain requirements

Key specifications

• Battery type: Single-use silver-oxide button cell
• Model/MPN: 00390 101 111 (Varta V390)
• Nominal voltage: 1.55 V
• Diameter: 11.6 mm
• Height: 3.05 mm
• Weight: 1.32 g (0.0013 kg)
• Quantity: 1 pc
• Chemistry: Mercury-free silver-oxide

How to use

Install the Varta V390 in the device following the manufacturer’s polarity markings, ensuring the correct orientation of the + and - terminals. Make sure the battery compartment is clean and dry before insertion. Replace the cell when device performance decreases or when the device indicates a low battery. Dispose of used batteries according to local regulations for battery recycling or hazardous waste.

Recommendations

Store unused Varta V390 cells in a cool, dry place and avoid prolonged exposure to high temperatures. For devices that are stored long-term, remove the battery to prevent potential leakage. Use genuine Varta cells to ensure compatibility and predictable performance.