CR2430 Lithium Coin Cell Battery: The Definitive Guide

The CR2430 lithium coin battery has a high energy density and long shelf life, which makes it commonly used in many electronic appliances including:

  • Calculators 
  • 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.