The readiness of your AED machine Canada hinges on two small but critical components: the electrode pads and the battery. At Shock Shop Canada, we emphasize that pads have a limited shelf life (typically 2-4 years) because the conductive gel dries out, compromising adhesion and shock delivery. Similarly, the AED's lithium battery, which powers everything from self-tests to the final shock, must be replaced every 2-7 years, depending on the model. We supply authentic, manufacturer-approved replacement pads (adult and pediatric) and batteries for all major brands, ensuring your device passes its self-tests and is always resc