Cardiac Science Powerheart G5 Battery XBTAED001A. Cardiac Science Powerheart G5 Battery includes a 4 year performance guarantee.
What does this mean and how do I know when to replace the G5 battery? Important questions. Cardiac Science Powerheart G5 AED battery XBTAED001A has a 4-year stand-by life (life while installed in the AED and in stand-by mode). The G5 AED battery has a "manufactured on date" printed on it and a 5 year shelf life (new and uninstalled) from the manufactured on date. The expected expiration date is4 years from the date you install your battery as long as you install the battery within 5 years of the manufacture date.