Philips AED Battery - 4-Year FRx, OnSite, HS1 Compatible

Keep your AED fully powered and rescue-ready with the Philips HeartStart 4-Year Battery, compatible with the FRx, OnSite, and HS1 AED models. Designed for reliability and longevity, this genuine Philips lithium manganese dioxide battery delivers 4 years of standby life and 200+ shocks, making it ideal for medical offices, schools, industrial safety programs, EMS, and aviation settings.

✅ Compatible with Philips FRx, OnSite, and HS1 AEDs
✅ Provides 4-year standby life or 200+ shocks
✅ Easy installation with no tools required
✅ Clearly labeled expiration date for audit readiness
✅ Genuine Philips battery – not a third-party replacement

This is the official battery replacement for maintaining AED compliance, reliability, and life-saving performance.