The CR2016 is a 3V Lithium coin cell from Energizer. It is 20mm in diameter, 1.6mm thick, weighs 1.8g and has a capacity range of 80.0mAh - 90.0mAh. Reliable, dependable power, used in heart rate monitors, keyless entry, glucose monitors, toys and games. Replaces: 2016, 280-202, 280-204, 280-206, BR2016, CR2016, DL2016, EA50CF, ECR2016, FA, KL2016, LF1/4V, SB-T11. Card of 2.