Panasonic CR2032 batteries are 3 Volt Lithium coin cell batteries. Often referred to as 2032 or DL2032. These high quality CR2032 batteries from Panasonic are ideal for use in car keys, calculators and watches. The tiny lithium power cells are used in a lot of small electronic devices. These Panasonic CR2032 batteries are packed in 6's to offer even greater value for money. Panasonic Lithium batteries also have a really long shelf life. So they will last virtually 10 years is stored in cool dry place. Panasonic Part Number CR-2032EL/6BW. The Panasonic part number CR2032 also gives you the size of the cells, diameter 20mm, height 3.2mm