Defibtech Lifeline and Reviver AED replacement electrode pads for your Defibtech Lifeline™ or Defibtech ReviveR™ AED's. The Defibtech Adult defibrillation electrode pads are single-use and disposable. Remember to pre-connect your electrodes by plugging the cord in to your Defibtech Lifeline or Reviver AED. Store the electrode pouch in the rear slot of the Defibtech AED. The Defibtech Adult AED pads have a 2 year shelf life from the date of manufacture. DDP-100.