Energizer size 2032cr batteries provide reliable, dependable power. Used in heart rate monitors, keyless entry, glucose monitors, toys and games, remotes, flashlights, and more. Performs in extreme temperatures from 22F 140F. Holds power for 8 years when not in use Cell size: 2032 IEC: CR2032 Volt: 3 Replacement for: BR2032, DL2032, ECR2032 2032. Energizer batteries are designed not to leak in devices during their usage and for up to two years after they are left in a device.