Coin cell battery Varta CR2032 3V — pack of 10×2 (20 batteries)

Varta CR2032 3V — pack of 10×2 (20 batteries) is a lithium coin cell battery set intended for a wide range of small electronic devices. Each CR2032 cell supplies a nominal 3 volts and is designed for stable output, long shelf life and dependable low-drain performance. The pack of 20 batteries is suitable for replacement, backup power and for users who require multiple spare cells for household electronics, key fobs, watches, calculators, small medical devices and motherboard memory backup.

Advantages

The Varta CR2032 delivers consistent voltage output and is optimized for low-drain applications, providing reliable operation in devices that require long-term, steady power. The lithium chemistry ensures an extended shelf life and low self-discharge, while the coin cell form factor offers compact size and easy installation in standard CR2032 holders. Supplied as a bulk pack of 20, this offering reduces the need for frequent purchases and provides convenient spare batteries for multiple devices.

Suitable for (tasks / use cases)

• Wrist watches and fitness trackers with CR2032-compatible compartments
• Key fobs, remote controls and garage door transmitters
• Calculators, digital thermometers and small household electronics
• Motherboard CMOS/BIOS memory backup and computer hardware requiring coin cells
• Low-drain medical devices, glucometers and monitoring equipment (where CR2032 is specified)

Key specifications

• Cell type: lithium coin cell
• Diameter: 20 mm
• Height: 3.2 mm
• Nominal voltage: 3 V
• Quantity: 20 cells (pack of 10×2 blisters)
• Typical use: low-drain devices and memory backup
• Storage: recommended at room temperature in original packaging for optimal shelf life

How to use

Insert the CR2032 cell into the device’s battery holder observing polarity: the marked positive (+) side should face the indicated terminal. Ensure the device is powered off or disconnected before replacing batteries. After insertion, verify proper seating and that any battery cover or retainer is secured. Dispose of used lithium batteries according to local regulations and replace all cells of the same type and age when a device requires multiple coin cells to ensure balanced performance.

Usage recommendations

Store unused Varta CR2032 batteries in their original packaging at moderate temperatures and away from direct sunlight. Do not attempt to recharge non-rechargeable lithium coin cells. Keep batteries out of reach of children; if swallowed, seek medical attention immediately. For devices with continuous memory backup, replace the battery at manufacturer-recommended intervals to avoid data loss.