The Consumer Electronics Hall of Fame: Heartstream Forerunner - IEEE Spectrum
UGB New M2720-64001 Battery For Philips M2720-64001 BT1 HeartStream Forerunner AED Battery - Laptop Battery, Charger and AC Adapter | Ultra Green Battery
cameron sino 4200mah battery for PHILIPS ForeRunner 2 FR2 Plus FR2+ Defibrillator HeartStart FR2 Plus 6073-A M3863A - AliExpress
ForeRunner BT1 AED Replacement Battery
Philips HeartStart FR1 – Portable, Lightweight, and Battery Powered AED