The Powerheart AED G3 continues to feature our industry leading one-button operation and RescueReady technology featuring our patented daily, weekly, and monthly self-tests, virtually assuring first time, every time rescue performance. The Powerheart AED G3 is the only AED on the market that automatically tests all three critical components daily including the pre-connected electrodes (presence and function), IntelliSense lithium battery, and system. The G3 now includes a partial energy test with the weekly self-test, and a full energy charge cycle with the monthly self-test. Innovative Technology The new Powerheart AED G3 also incorporates patented RHYTHMx analysis software and STAR biphasic defibrillation energy waveform.