FREE SHIPPING ON ORDERS OVER $99! is proud to offer our EXCLUSIVE Encore Series of Refurbished Cardiac Science AEDs, including the Cardiac Science G3 and Cardiac Science G5 AEDs. Each Encore Series AED from Cardiac Science goes through our 12-point checklist before it is ready for its next owner. Cardiac Science has decades of experience and hundreds of thousands of AEDs deployed all over the globe. The Cardiac Science G3 and G5 AEDs boast a unique technology that measures the impedance of the victims body and adjusts the joules accordingly. The G5 AED is also dual language and has CPR feedback. *Every Encore Series AED comes with a 4-year warranty!