Cardiac Science G3 AED Battery
Cardiac Science IntelliSense Lithium battery for Cardiac Science Powerheart AED G3 and G3 Plus
If your machine is the Blue and Yellow machine and looks like this then this battery will fit your machine:
This product comes with a 4 year, full operational replacement guarantee.
You may also need Cardiac Science G3 Adult Defibrillation Pads
How to install a Cardiac Science G3 Battery