This Varta CR2032 Car Alarm Battery and Car Key Fob Battery is a 3V lithium battery. Varta CR2032 replacement car alarm batteries are the highest quality you can buy. The 3 Volt Varta CR2032 car alarm battery is 20mm diameter and 3.2mm height or thick. This Varta CR2032 car alarm key fob battery will replace all other CR2032 batteries including DL2032, EL2032, CR2032V, 6032101401, 6032, 2032. Varta Car Alarm batteries have an extremely long shelf life.