Button cell battery Voltcraft CR1632 3V 130mAh Lithium — coin cell for watches, calculators, key fobs

Voltcraft CR1632 is a 3V lithium button cell with a nominal capacity of 130mAh, designed for small portable electronics requiring a compact and stable power source. The coin-shaped cell fits into many low-drain devices including watches, calculators, key fobs, fitness trackers and motherboard CMOS backup. Its construction provides consistent voltage output during typical discharge profiles and a long shelf life for standby applications.

Advantages

The battery offers a high energy density in a compact form factor, enabling extended service life in low-current devices. Its stable 3V output supports reliable operation of timing circuits and memory backup. The cell's long shelf life and low self-discharge make it suitable for spare storage and devices that remain idle for long periods. The standardized diameter and thickness ensure compatibility with many consumer and industrial coin-cell holders.

Suitable for

• Wrist watches and small clocks
• Calculators and measurement tools
• Car and home key fobs
• Fitness trackers and wearable sensors
• Motherboard CMOS/BIOS memory backup

Key specifications

• Nominal voltage: 3 V
• Nominal capacity: 130 mAh
• Chemistry: Lithium manganese dioxide (Li-MnO2) coin cell
• Form factor: button/coin cell
• Typical use: low-drain and standby applications
• Long shelf life with low self-discharge

How to use

Replace the depleted battery with the same type and orientation to preserve device polarity and proper operation. Ensure the device is switched off if possible before replacing the cell. Use a suitable tool or non-metallic tweezers to avoid short circuits and handle the battery by its edges. After installation, verify correct seating in the battery holder and test the device for normal function. Dispose of the used battery according to local battery recycling regulations.

Usage recommendations

Store unused batteries in a cool, dry place away from direct sunlight and metal objects. Do not recharge, short circuit, puncture or expose the cell to fire or high temperatures. Keep out of reach of children and seek immediate medical attention if swallowed.