Single-use battery Varta CR 1/3 N Primary Lithium Button

The Varta CR 1/3 N is a single-use lithium button battery with a nominal voltage of 3 V and compact dimensions (approximately 12 mm diameter and 10 mm height). Designed for small electronic devices, this primary lithium cell delivers stable power, low self-discharge and long shelf life. The battery is supplied as a single piece and is lightweight, suitable for applications where a compact, reliable power source is required.

Advantages

High energy density combined with low internal resistance provides consistent voltage under load. The cell offers strong leakage resistance and an extremely low self-discharge rate, supporting long storage times. Available with laser-welded terminal tabs for secure connections and a wide operating temperature range for reliable performance in varied conditions.

Suitable for

• Small electronic devices (e.g., sensors, meters)
• Medical instruments and hearing devices
• Security and alarm systems
• Portable measuring equipment and key fobs

Key specifications

• Brand: Varta
• Model: CR 1/3 N (MPN 6131, EAN 2050000212987)
• Type: Single-use battery, primary lithium
• Nominal voltage: 3 V
• Dimensions: ~12 mm diameter × 10 mm height
• Number of batteries: 1 pc
• Weight: 0.003 kg
• Features: High capacity / high energy density, low internal resistance, excellent leakage resistance, extremely low self-discharge, wide operating temperature range

How to use

Insert the battery into the device following the device manufacturer’s polarity markings (+/−). Ensure the battery compartment is clean and dry before installation. Use the battery immediately after removing it from packaging for best performance. Do not attempt to recharge this primary lithium cell.

Recommendations

Store batteries in a cool, dry place away from direct heat and metal objects. Keep out of reach of children. Dispose of used batteries according to local regulations; do not incinerate. Replace batteries with the same type and voltage to ensure device compatibility and safety.