AED.us is proud offer our EXCLUSIVE Encore Series of Refurbished ZOLL AEDs and defibrillators, including the ZOLL AED Plus, ZOLL AED Pro, ZOLL X Series, ZOLL M Series and ZOLL E Series. Each ZOLL AED and ZOLL manual defibrillator goes through our proprietary checklist process before being able to wear the Encore Series label. The ZOLL AED Plus has CPR feedback and pads and batteries that last five years. ZOLL Medical is known for its cutting edge technology and products, and their portfolio includes resuscitation and ventilation devices.*Every Encore Series AED comes with a 4-year warranty!