Varta Lithium button cell CR2032 3volt. One of the most common button cell batteries that is often used in remote controls, lamps, watches, toys, alarms, mini calculators, car keys, bank boxes etc. Equivalent in other brands: BR2032, CR2032, BR2032, DL2032, L2032, VCR2032, 2032, L2032, EA-2032, EN2032.