A medical grade Intellisense battery is the power behind the Powerheart G3 Pro AED.  This dependable battery is tested rigorously at Cardiac Science and then tested each day it is installed in the Powerheart G3 Pro AED for presence and functionality to ensure readiness.  Intellisense AED battery for the Powerheart G3 Pro comes with a one-year, 12 hours of use  performance guarantee.