The Energizer CR2032 is the most popular 3V Lithium coin cell from Energizer. It is 20mm in diameter, 3.2mm thick, weighs 3.1g and has a capacity of 220 Ah - 240 mAh. For use in calculators, pagers, watches and car key alarms. Replaces 2032, BR2032, CR2032, DL2032, EA2032C, ECR2032, L14, L2032, LF1/2V, SB-T15.