The CR2032H 3V 240mAh Coin Battery is a reliable and long-lasting power source for car key fobs and other low drain devices. As a coin cell/button battery, it offers a compact size and consistent voltage output, making it ideal for a variety of applications. With a voltage of 3V and a capacity of 240mAh, this battery provides ample power for extended use, ensuring your car key fob remains functional for an extended period of time.
eBay