Car Keyfob Batteries

The keyfobs that lock and unlock your vehicles use a low-power RF circuit to send the signal that requires a short surge of power each time you push the button. When you consider how many times per year you push those buttons, it’s easy to understand that these gadgets need efficient, long-lasting batteries.

Virtually all modern key fobs or “car remotes” as they’re sometimes called are powered by button (“coin”) cells with the “CR” designation. This denotes cells powered by lithium manganese oxide chemistry. These batteries provide 3V nominal power and very long service in a compact case.

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  • GP CR2430 Coin Cell Batteries | 5 Pack

    GP CR2430 Coin Cell Batteries | 5 Pack


    Available in a lightweight pack of five, the GP CR2430 Lithium Coin Cell is a 3 volt, single use battery, rated at a nominal capacity of 300mAh. With a diameter of 24.5mm and a height of just 3mm, this coin cell is a popular choice of battery for many...
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