Coin cell battery RAYOVAC CR2430 — lithium 3V, blister pack of 5

RAYOVAC CR2430 is a 3V lithium coin cell battery in CR2430 size supplied as a blister pack of five cells. It is designed for small electronic devices that require a compact, stable power source and long shelf life. The cell chemistry provides consistent voltage over extended storage and intermittent use, making these batteries suitable for devices that draw low current or are used sporadically. The blister pack of 5 offers immediate replacements and spare cells for routine maintenance.

Advantages

The battery delivers a steady 3V output with low self-discharge, ensuring long shelf life and reliable performance in low-drain applications. Its compact coin form factor fits standard CR2430 compartments, while lithium chemistry provides superior energy density compared with alkaline alternatives. The blister packaging protects cells from short circuits and allows easy handling and controlled dispensing of individual cells.

Suitable for

• Wristwatches and wearable timepieces
• Small electronic calculators
• Key fobs and remote controls
• Medical instruments such as glucose meters and thermometers
• Motherboard CMOS/RTC backup and other small electronics

Key specifications

• Chemistry: lithium manganese dioxide
• Nominal voltage: 3 V
• Physical size: CR2430 (coin cell dimensions: nominal diameter ~24.5 mm, height ~3.0 mm)
• Typical capacity range suitable for low-drain devices
• Packaging: blister pack of 5 individual cells
• Storage characteristics: low self-discharge for long shelf life

How to use

Open the blister pack and remove one cell at a time to avoid exposing unused cells to moisture and contaminants. Observe polarity markings when inserting the coin cell into the device compartment: the positive (+) side typically faces up. Ensure the battery is seated firmly in the contacts and that contacts are clean and free of corrosion. Replace batteries with the same type and voltage to maintain safe operation. Dispose of used lithium coin cells according to local regulations for battery recycling and hazardous waste.

Usage recommendations

Store unused cells in a cool, dry place away from metal objects and children. Do not recharge, short-circuit, heat above the manufacturer’s recommended temperature, or disassemble the cell. For devices with continuous high current draw, consider a battery type recommended by the device manufacturer rather than a coin cell designed for low-drain use.