Ready for Rescue guide

Cardiac Science G5

Everything you need to keep your AED ready when it matters most. Find step-by-step guides for replacing pads and batteries, completing maintenance checks, and using your AED in an emergency.

Cardiac Science G5

Checking Ready for Rescue Status

If the window at the top of the defibrillator is green, the Cardiac Science G5 is Rescue Ready. If it is Red, it is not.

Proceed to check the pads expiry and the battery expiry to see if they are expired.


Ready for Rescue Symbol

Cardiac Science G5 Ready for Rescue indicator


Battery Expiry

The estimated life of a new fully charged battery for a Cardiac Science G5 is 4 years after the date of installation. Use your Ready For Action AED tracking portal to track your date of installation and replacement date.

The date your G5 battery was manufactured is shown beside the factory symbol as shown below.

Cardiac Science G5 battery label

Cardiac Science G5 battery manufacture date close-up


Pad Expiry

The expiry date on this Cardiac Science G5 Battery can be easily seen through the window on the front of the Cardiac Science G5 to the right of the hourglass symbol.

Cardiac Science G5 pads expiry date through front window


Serial Number

The serial number is to the right of SN as seen here below. The manufacture date is below the manufacturer symbol as shown here below.

Cardiac Science G5 rear label

Cardiac Science G5 serial number close-up

Video Resources

Cardiac Science PowerHeart G5 | CPR/AED Training Video

Training video for use on adults using the Cardiac Science PowerHeart G5 AED.

Monthly Maintenance Check for a Cardiac Science G5 AED

Checking your automated external defibrillator (AED) monthly is essential for giving someone the chance to save a life. In this video, we walk you through how to check that your Cardiac Science G5 will be ready to use if sudden cardiac arrest (SCA) strikes. We will show you how to check the ‘ready for rescue’ symbol, ensure your pads and batteries are in good working order, and that you have an AED First Aid Response Kit attached and complete.

Cardiac Science G5 AED Battery Replacement

How to replace the battery in your Cardiac Science G5 Defibrillator (AED)

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Smarter AED Tracking

Ready for Action makes it easy to keep your AED rescue-ready. Track your device, complete routine checks, receive automatic expiry alerts and access helpful support from one simple platform. More advanced tools are available for organizations managing multiple AEDs, training records and other life-saving products.

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AED Readiness at a Glance

See your AED status, pad and battery expiry dates, location and more from one simple dashboard.

Automatic Expiry Alerts

Get reminders before AED pads or batteries expire, so you know when it's time to replace them.

Easy Maintenance Checks

Complete routine AED checks in seconds and keep a record of inspections and device readiness.

Support When It Matters

Full support with AED troubleshooting, post-event guidance and helpful educational videos.