AED4U.com features a full compliment of Philips AED Batteries and Pads for your Philips HeartStart AED. Choose from the Onsite, FR2 and FRX AED accessories of batteries and pads for your AED unit. Philips Heartstart AED batteries come with a manufacture 4 year warranty. Need to replace your AED pads? Choose from Adult AED pads for ages 8 and above(> 55 Pounds) or choose Philips pediatric pads for those under 8 years old (<55 pounds).