The battery's shelf life is typically four years, and the "install by" date is printed on the battery for easy reference. Use of HeartStart, it's training cartridges, additional battery insertion tests or exposure to harsh enviornments may shorten the battery life.
One per package, no recharging needed.
Ships direct from manufacturer. Shipping will vary depending on quantity ordered and location. Please call 1-800-875-7780 or email us at firstname.lastname@example.org