Physio-Control a division of Medtronic is recoginized as one of the largest manufactures of Cardiac Defibrillators in the world. Medtronic Physio-Control is the manufacture of the LIFEPAK CR Plus AED, LIFEPAK 1000 and the LIFEPAK 500 AED's. We feature AED pads and AED batteries for the Medtronic Physio-Control LIFEPAK Automated External Defibrillators. AED4U.com is an Authorized Medtronic Physio-Control AED Distributor.