New improved packaging Made with an additional plastic layer to deter shrinkage and improve tamper resistance and child safety Energizer Batteries offer a comprehensive range of lithium coin cell batteries for a broad range of applications that required long service life over a wide range of operating temperatures. These batteries offer superior performance in terms of reliability and safety, and have an excellent storage life at room temperature. Size of battery - 20mm x 3.2mm Also known as - CR2032, BR2032, SB-T15