Pads and batteries

Do pads and batteries have a shelf life?

Yes. Both pads and batteries expire and will need replacing even if the defibrillator hasn’t been used.

The typical shelf life of pads and batteries is 2 to 5 years, depending on the defibrillator model – please check your user manual.

Find replacement pads and batteries

Can pads be re-used?

How long do the batteries last?

How do I dispose of used or old batteries?

Defibrillator servicing

Do I need to service the defibrillator?

Please consult the defibrillator’s user manual.

How would I know if there were a problem with the defibrillator? How often do I need to test it and is it easy to do?

Information from the memory chip

Do I have to download information from the memory chip if a defibrillator is used on a patient?

It depends on the type of defibrillator you purchase as to how the information is downloaded, but this will be fully explained in the operators’ manual provided with each device.

Did you find this information helpful?

Free resources

Download our free defibrillator maintenance posters.

Defibrillator location poster (pdf)

Defibrillator location poster

Print as many as you need, write on the location of your defibrillator, then display around your workplace.

Defibrillator Maintenance Checklist (pdf)

Defibrillator checklist poster

Keep track of pad and battery expiration dates so you know when to reorder replacements before they expire.

Related advice

Defibrillators - a guide for rescuers

Read our guide to understand what a defibrillator is, when you should use a defibrillator, and who can use a defibrillator.

How to use a defibrillator

By using a defibrillator before an ambulance arrives, you can significantly increase someone’s chance of survival. Learn what to do.

When to call an ambulance

At some point in their life, most people will witness or be involved in an accident or medical emergency. Knowing what to do and when you should call the emergency services can potentially save lives.

St John Ambulance volunteers providing support