The OnSite Defibrillator uses a disposable, lithium manganese dioxide, long-life battery with a five-year shelf life plus a (typical) four-year installed life. A spare battery should be stored with the defibrillator. Additional batteries should be purchased for defibrillators used frequently for training and/or demonstrations.
Type: 9 Volt DC, 4.2 Ah, composed of disposable long-life lithium manganese dioxide primary cells
Capacity: Minimum 200 shocks or 4 hours of operating time
Install-by date: Battery is labeled with an install-by date of at least 5 years from date of manufacture
Standby life: Typically, 4 years when battery is installed and when stored and maintained according to directions provided in this document
This battery fits both the Philips HeartStart OnSite (HS1) and Philips HeartStart FRx AED models.