Varta CR2032 knappcell

Dead batteries in key fobs, watches, or medical devices can leave you stranded or without critical functionality. The VARTA CR2032 lithium coin cell delivers dependable 3V power in a compact 20mm package, ensuring your essential electronics stay operational when you need them most.

Who is it for

Ideal for anyone who relies on small electronic devices in daily life—from car key remotes and garage door openers to wristwatches, calculators, and glucose monitors. It's also a trusted choice for IT professionals replacing CMOS batteries on computer motherboards to maintain system settings.

Main features

• High energy density lithium manganese dioxide chemistry for long-lasting performance
• Stable 3V output with a 230mAh capacity, suitable for continuous low-drain use
• 10-year shelf life thanks to low self-discharge, making it perfect for backup or infrequent use
• Wide operating temperature range from -20°C to +70°C for reliable operation in various environments
• Mercury-free, lead-free, and cadmium-free construction for environmental safety
• Universal compatibility with devices requiring CR2032, DL2032, ECR2032, or equivalent coin cells

Specifications

• Battery type: Lithium Coin Cell
• Size: CR2032
• Nominal voltage: 3V
• Capacity: 230 mAh
• Chemistry: Lithium Manganese Dioxide (LiMnO2)
• Diameter: 20 mm
• Height: 3.2 mm
• Rechargeable: No
• Shelf life: 10 years
• Operating temperature: -20°C to +70°C
• Mercury free: Yes
• Lead free: Yes
• Cadmium free: Yes
• IEC standard: CR2032

Tips

Always insert the battery with the positive (+) side facing up as indicated in your device. For optimal performance, avoid mixing old and new batteries, and store unused cells in a cool, dry place. To maximize shelf life, keep the battery in its original packaging until ready for use.