Philips HeartStart OnSite / FRx AED Battery

The low maintenance Philips HeartStart OnSite/FRx battery has a long shelf life (outside of the AED) and 4 Year Gaurantee (stand by mode inside the AED) from Philips Healthcare. This battery was specifically designed for the Philips HeartStart FRx AED and OnSite AED. Philips recommends to alway have a fully charged spare battery stored with the AED.