Duracell CR2430 3V Lithium Coin Cell Battery - Single Pack

The Duracell CR2430 is a 3V lithium coin cell battery measuring 24mm in diameter and 3.0mm in thickness, supplied as a single unit in child-resistant safety packaging. The lithium composition provides a stable voltage output across the battery's service life, maintaining consistent performance in devices that require precision timing or memory retention such as car key fobs, glucose monitors, remote controls and small LED lights.

Designed for devices with low to moderate continuous drain, the CR2430 delivers reliable power in applications where battery replacement is infrequent or difficult to access. The low self-discharge rate allows the battery to retain charge during storage, making it suitable for backup power in devices that spend long periods inactive. Common applications include vehicle keyless entry fobs, bathroom scales, fitness trackers, small remote controls and calculators.

The single-unit retail pack uses Duracell's child-resistant safety packaging, which requires a specific opening sequence to access the battery and meets international toy safety standards. The lithium chemistry operates across a wide temperature range from -20°C to +60°C, maintaining output in both cold outdoor environments and warm enclosed spaces. At 0.01kg per unit, the CR2430 is one of the lighter coin cells in the Duracell Specialist range, reflecting its compact 3.0mm profile compared to thicker cells like the CR2450.

What devices use a CR2430 battery?

CR2430 batteries power car key fobs, remote controls, glucose monitors, fitness trackers, bathroom scales, calculators and small LED devices. The 3.0mm thickness makes it thinner than CR2450 cells, so it's used where space is limited inside the device casing.

How long does a CR2430 battery last?

Service life depends on device drain. In a low-drain device like a car key fob used 5-10 times daily, a CR2430 typically lasts 2-4 years. In continuous-drain devices like fitness trackers, expect 6-18 months depending on usage patterns and display settings.

Can CR2430 be used instead of CR2450?

No. CR2430 is 3.0mm thick while CR2450 is 5.0mm thick. Both are 24mm in diameter and provide 3V, but the thickness difference means they are not physically interchangeable. Using the wrong size can cause poor contact or damage to the battery compartment.

How should CR2430 batteries be stored?

Store in the original child-resistant packaging in a cool, dry location away from metal objects. Avoid storing loose batteries together, as contact between terminals can cause discharge or short-circuit. Lithium cells retain charge well at room temperature but avoid prolonged exposure above 25°C.