Car key battery to replace worn out key fob or car alarm batteries. Keep the power to "beep" your car alarm and locks by replacing your car key battery. If it is getting harder to lock your vehicle or you have to stand closer to do it then it is likely that your car key battery needs to be replaced. Maintain the convenience and ease of unlocking your car with the touch of a button by purchasing a replacement 3v or 1.5v electronic key fob battery.
