Zoll offers AED accessories for the Zoll AED Pro automated external defibrillator (AED). The CPR-D Padz have a 4.5 year expiry date. The infant/child pads expire every 2 years. The Zoll AED Pro offers a variety of batteries with an expiration time of 5 years. Zoll has training materials and equipment for both the Zoll AED Pro.