Philips HeartStart OnSite & FRx AED RE-CELLED Battery by AED Battery Exchange

This lithium battery comes with a 4-year factory warranty from AED Battery Exchange. The defibrillator battery has a 5-year shelf life when stored outside of the AED, and a 4-year guarantee inside of the AED. It is made for the Philips HeartStart OnSite (HS1) and Philips HeartStart FRx AEDs. Philips recommends always having a fully charged spare battery stored with the AED. It has a capacity of 200 shocks or 4 hours of operating time.