Single-use battery Varta 06025 101 404 CR2025 Lithium 20mm

The Varta 06025 101 404 CR2025 is a single-use lithium coin cell designed for compact electronic devices. With a 20 mm diameter and 2.5 mm thickness, this CR2025 battery supplies 3 V of nominal voltage and is supplied as a pack of four cells. The battery is suited to applications where stable voltage, long shelf life and a small form factor are required.

Advantages

This lithium coin cell provides a stable 3 V output and long shelf life typical of lithium chemistry. Its compact 20 mm format and low weight make it easy to install in tight battery compartments. The single-use design ensures consistent performance for devices that require reliable, intermittent or continuous low-current power.

Suitable for

• Small electronic devices such as watches and calculators
• Key fobs and car remotes
• Fitness trackers and medical measurement devices
• Motherboard CMOS/BIOS memory backup
• Small LED lights and sensors

Key specifications

• Battery type: single-use coin cell
• Chemistry: lithium
• Nominal voltage: 3 V
• Size: 20 mm diameter × 2.5 mm thickness (CR2025)
• Quantity in pack: 4 pieces
• Weight per cell: approx. 0.0025 kg

How to use

Insert the battery into the device with correct polarity, observing the plus (+) and minus (−) orientation marked on the battery holder. Ensure contacts are clean and dry before installation. Replace all batteries in multi-cell devices at the same time to avoid uneven performance. Dispose of used batteries according to local regulations for lithium cells and avoid short-circuiting or exposing the battery to heat or flames.

Recommendations

Store unused batteries in a cool, dry place away from metal objects and children. For optimal device performance, check device manual for recommended battery replacement intervals and follow manufacturer instructions for safe disposal and recycling.