Philips Heartstart AED’s & Accessories  >> Philips HeartStart OnSite & supplies

Available without a prescription, the Heartstart OnSite AED has shown unsurpassed ease of use in 3 different published studies. Using clear, natural voice instructions, the HeartStart OnSite Defibrillator guides you through each step of defibrillation. It paces and adapts voice instructions to your actions every step of the way. On-demand CPR Coaching helps the stressed user recall their training.


The electric medicine delivered by the HeartStart OnSite is the world leader in AEDs. Philips high-current/low energy therapy ensures a potent defibrillation dose, while minimizing side effects that are harmful to a fragile heart. The OnSite can deliver its most powerful therapy from the very first shock. The OnSite automatically conducts self-tests every single day, not just weekly. It performs over 80 different tests in all. Even the pads are tested for readiness.  

HeartStart OnSite (HS1) Defibrillator
Part#: M5066A. Specifically designed for the minimally-trained lay responder. Detailed voice messages guide responder through use. Truncated Exponential Biphasic waveform parameters adjusted for each individual’s impedance. Dimensions: 8.3”H x 7.4”W x 2.8”D Weight: 3.3lbs
HeartStart Four-Year Battery
Part #: M5070A. This battery is a disposable, lithium manganese dioxide, long-life battery that will typically last for four years with the defibrillator in standby mode.
Slim Carry Case for HeartStart HS1
Part #: M5076A. Constructed with semi-rigid materials and covered in durable red cordura. Holds the HeartStart OnSite Defibrillator and a pair of trauma scissors.
Adult SMART Pads Cartridge (1 Set)
Part #:M5071A. HeartStart Adult SMART Pads are appropriate for cardiac arrest Part #: M5071A. victims 8 years and older, or weighing above 55 pounds (25kg) or more.
Standard Carry Case for HeartStart HS1
Part #: M5075A. Constructed with semi-rigid materials and covered in durable red cordura. Comes with trauma scissors and can accommodate one spare pad cartridge and a spare battery pack.
Philips OEM Infrared Data Cable
Part #: ACT-IR . Infrared (IR) data cable that attaches to a PC and reads IR data from a defibrillator for use by the HeartStart Event Review suite of software products
Infant/Child SMART PADS Cartridge (1 set)
Parts #: M7072A. Children under 8 years or weighing less than 55 pounds (25 kg), including infants, should be treated using HeartStart Infant/Child SMART Pads.