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Single-use battery Varta V390
The Varta V390 is a single-use silver-oxide button cell with a nominal voltage of 1.55 V. Its compact coin/button form factor, 11.6 mm diameter and 3.05 mm height, and low weight make it suitable for powering small electronic devices that require stable low-voltage supply. Manufactured by VARTA Microbattery with decades of experience in silver-oxide technology, this cell uses an advanced sealing process designed to reduce leakage and ensure reliable performance.
Varta V390 offers constant voltage output, low self-discharge and long running time compared with many conventional primary cells. The cell is produced on fully automated lines from high-quality raw materials and features high resistance to leakage thanks to VARTA's sealing technology. Its compact size and stable performance make it appropriate for precision low-drain and certain high-drain miniature applications.
Install the Varta V390 with correct polarity into the device's battery compartment, ensuring the positive (+) side faces the designated contact. Use the cell only in devices specified for 1.55 V silver-oxide button cells. Avoid short-circuiting the battery terminals and do not attempt to recharge this primary cell. Replace the battery when device performance declines or according to the device manufacturer’s guidance.
Store batteries in a cool, dry place away from direct heat and sunlight. Keep out of reach of children. Dispose of used batteries in accordance with local regulations and recycling options for household batteries.
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