When to Replace AED Pads: Complete Guide
Expert guidance from firefighter/paramedics
Learn more about our complete AED selection or read our AED buying guide.AED electrode pads have limited shelf life. Knowing when to replace them ensures your AED will work when needed.
Pad Expiration Timelines
- Most standard pads: 2-3 years from manufacture
- HeartSine Pad-Pak: 4 years
- ZOLL CPR-D pads: 5 years
- Pediatric pads: 2-3 years typically
Why Pads Expire
Electrode gel dries out over time, reducing effectiveness:
- Humidity accelerates degradation
- Heat exposure reduces lifespan
- Package integrity affects longevity
Check Expiration Monthly
Most AED pads have expiration date printed on package. Check during monthly maintenance.
Replace After Every Use
Always replace pads after ANY use:
- Actual rescue situations
- Training (if used on manikin)
- Testing (if pads were opened)