Single-use battery Varta SR41 W/V392

The Varta SR41 W / V392 is a silver‑oxide single‑use button battery delivering 1.55 V in a compact metal coin cell package. With a diameter of 7.9 mm, a height of 3.6 mm and a weight of approximately 0.69 g, this SR41-size battery is intended for small electronic devices where stable, low‑drain power is required.

Advantages

Silver‑oxide chemistry provides stable voltage and better capacity retention compared with alkaline button cells of the same size. The compact SR41 form factor and light weight make the Varta V392 suitable for tight spaces. It is supplied as a single, disposable cell compatible with devices that accept SR41 / V392 / 392-type batteries.

Suitable for

• Wristwatches
• Small calculators
• Hearing aids and medical instruments with low to moderate drain
• Key fobs and small electronic toys

Key specifications

• Brand: Varta
• Model / MPN: BAVA V392
• Type: Single‑use silver‑oxide button cell
• Size: SR41
• Nominal voltage: 1.55 V
• Diameter: 7.9 mm
• Height: 3.6 mm
• Weight: 0.0007 kg
• Quantity: 1 pc

How to use

Insert the battery into the device following the polarity markings: the flat side (+) usually faces up. Ensure the battery sits correctly in its compartment and close the cover. Replace the battery when the device shows reduced performance or when a tester indicates the voltage has dropped below the operating range. Dispose of used batteries according to local recycling regulations.

Recommendations

Store unused Varta SR41 / V392 batteries in a cool, dry place and avoid exposure to high temperatures. Do not recharge single‑use batteries or incinerate them. Keep out of reach of children; if swallowed, seek medical attention immediately.