Every Minute Counts in a Sudden Cardiac Emergency
A defibrillator can increase survival rates by up to 70% when used within the first few minutes of a sudden cardiac arrest.
Sudden Cardiac Arrest in Australia
Understand the impact of sudden cardiac arrest in Australia and how defibrillators can make a difference
Sudden Cardiac arrest in Australia
30,000 Australians experience sudden cardiac arrest each year.
70% increase in survival
Survival can reach as high as 70% when a defibrillator is used before paramedics arrive.
Every minute matters
For every minute that defibrillation is delayed, someone’s chance of survival decreases by 10%.
Less than 5% survive
Less than 5% of sudden cardiac arrest victims survive without immediate CPR or defibrillation.
The St John Defibrillator Range
St John defibrillators are trusted across workplaces, schools, sports facilities, and homes – designed for fast, effective response in emergencies.

St John G5 Fully Automatic Defibrillator w/ CPR Feedback
- Delivers real-time CPR feedback.
- Water and dust resistant (IP55 rating) for use in rugged environments.
- Backed by an 8-year warranty for long-term peace of mind.

St John G5 Fully Automatic Defibrillator
- Fully automatic shock delivery - no need to press a button.
- Rugged design with IP55 protection against dust and water.
- 8-year warranty for reliability when it matters most.

St John G5 Semi Automatic Defibrillator
- Semi-automatic operation - user delivers shock when prompted.
- Rated for use in a variety of environments.
- 8-year warranty ensures long-term support.

St John X3 Semi-Automatic Defibrillator
- Combines voice & video instructions for intuitive guidance.
- Long-life battery (7 years) and pads (5 years) reduce ongoing costs.
- 8-year warranty included.

St John X1 Semi Automatic Defibrillator
- Switch between adult & child modes easily - no extra pads needed.
- Clear voice prompts guide users step-by-step.
- Covered by an 8-year warranty.

St John G5 Fully Automatic Defibrillator w/ CPR Feedback
- Delivers real-time CPR feedback.
- Water and dust resistant (IP55 rating) for use in rugged environments.
- Backed by an 8-year warranty for long-term peace of mind.

St John G5 Fully Automatic Defibrillator
- Fully automatic shock delivery - no need to press a button.
- Rugged design with IP55 protection against dust and water.
- 8-year warranty for reliability when it matters most.

St John G5 Semi Automatic Defibrillator
- Semi-automatic operation - user delivers shock when prompted.
- Rated for use in a variety of environments.
- 8-year warranty ensures long-term support.

St John G5 Fully Automatic Defibrillator
- Combines voice & video instructions for intuitive guidance.
- Long-life battery (7 years) and pads (5 years) reduce ongoing costs.
- 8-year warranty included.

St John X1 Semi Automatic Defibrillator
- Switch between adult & child modes easily - no extra pads needed.
- Clear voice prompts guide users step-by-step.
- Covered by an 8-year warranty.
Be Ready to Help Save a Life
St John defibrillators are trusted by thousands of businesses, schools, and communities to enhance safety. These user-friendly devices can help make your environment safer. Key advantages of St John defibrillators include:
Won’t shock unless needed
It is impossible to give a shock to the heart of someone who does not need one. They are completely safe to the rescuer.
Easy to follow text & voice prompts
As soon as the first aider opens the defibrillator case, a calm, clear voice delivers simple instructions about how to use it.
Light & Portable
All our AEDs are under 3kg, making them compact and easy to carry. Our portable AEDs provide life-saving technology wherever you need.
National Online shop
Visit the St John Ambulance National Online Shop to buy all your First Aid Products, Equipment and access our re-stock service.
