The CR2430 lithium coin battery has a high energy density and long shelf life, which makes it commonly used in many electronic appliances including:
- Digital watches and Pagers
- Garage remotes
- Keyless entry remotes
- Fitness appliances (tensiometers, thermometers, heart-rate monitors, and pacemakers)
- Toys and games
- Backup memory devices
A coin or button-type primary battery’s name is derived from its shape and size as illustrated below.