Why Checking Your Defibrillator Pads and Battery Expiry Dates Could Save a Life

Why Checking Your Defibrillator Pads and Battery Expiry Dates Could Save a Life

Why Checking Your Defibrillator Pads and Battery Expiry Dates Could Save a Life

A defibrillator is one of the most important pieces of life-saving equipment you can have in a workplace, school, sports club, community building or public space. Whether you refer to them as AEDs, a defib, an AED defibrillator, or simply a defibrillator machine, these devices are designed to provide immediate treatment to someone experiencing sudden cardiac arrest (SCA).

While installing a defibrillator is a fantastic step towards improving public safety, owning one is only part of the responsibility. To ensure your AED is ready when it's needed most, regular maintenance is essential. One of the most important maintenance checks is making sure the defibrillator pads and battery are within their expiry dates.

It only takes a few minutes to carry out these checks, but those few minutes could make the difference between saving a life and discovering your equipment isn't ready during a medical emergency.

Why Are Defibrillators So Important?

Every year, thousands of people experience sudden cardiac arrest outside of hospital settings. Unlike a heart attack, which is caused by a blockage restricting blood flow to the heart, sudden cardiac arrest occurs when the heart's electrical system malfunctions, causing it to stop pumping blood effectively.

Without immediate treatment, the chances of survival decrease by around 10% for every minute that passes without CPR and defibrillation.

This is where AEDs play such a vital role. A modern AED defibrillator analyses the person's heart rhythm and, if necessary, delivers a controlled electric shock to help restore a normal heartbeat. The devices are designed to be used by anyone, regardless of medical training, providing clear voice instructions throughout the rescue process.

Having a defibrillator machine available alongside trained responders and access to CPR can significantly improve a casualty's chance of survival.

Why Do Defibrillator Pads Expire?

One of the most common maintenance tasks for any defibrillator is checking the expiry date of the electrode pads.

Defibrillator pads contain a conductive gel that helps transfer the electrical shock safely and effectively from the AED defibrillator to the patient's chest. Over time, this gel naturally begins to dry out, even when the pads remain sealed in their packaging.

Expired pads may:

  • Lose their adhesive properties and fail to stick securely.

  • Provide poor electrical conductivity.

  • Delay treatment if replacement pads need to be found.

  • Reduce the effectiveness of the shock delivered by the defibrillator.

When every second counts during sudden cardiac arrest, the last thing anyone wants is to discover that the defib has unusable pads.

Checking pad expiry dates regularly helps ensure your equipment is always rescue-ready.

Why Is It Important to Check the Battery?

The battery is the heart of every defibrillator machine. Without sufficient power, the device cannot perform the functions it was designed for.

Although most modern AEDs carry out automatic self-tests, batteries naturally lose capacity as they age. Eventually, they reach their expiry date and should be replaced according to the manufacturer's recommendations.

A battery that has expired may prevent your AED defibrillator from:

  • Powering on.

  • Analysing the patient's heart rhythm.

  • Charging to deliver a shock.

  • Completing a rescue where multiple shocks are required.

Even if the device appears to be working, relying on an expired battery creates unnecessary risk. Replacing batteries before they expire gives you confidence that your defibrillator will function exactly as intended in an emergency.

What Could Happen If You Don't Check the Expiry Dates?

Many organisations purchase a defibrillator machine, install it in a prominent location and assume it will always be ready for use. Unfortunately, without routine inspections, expired consumables can go unnoticed for months or even years.

Imagine responding to a sudden cardiac arrest only to discover that your defib has expired pads or a depleted battery. Valuable time could be lost while searching for replacement parts or another nearby AED.

In a medical emergency, these delays can have devastating consequences. Every minute without effective treatment reduces the casualty's chances of survival.

Regular maintenance isn't simply about following manufacturer guidance—it's about ensuring your defibrillator can perform when someone's life depends on it.

How Often Should You Check Your Defibrillator?

Manufacturers generally recommend carrying out a visual inspection of your AED defibrillator at least once a month.

Your inspection should include:

  • Checking the status indicator to confirm the device is operational.

  • Confirming the battery has not expired.

  • Checking the expiry date on the defibrillator pads.

  • Ensuring the pads remain sealed and undamaged.

  • Checking that your rescue kit is complete.

  • Making sure the defibrillator machine is clean, visible and easily accessible.

Keeping a maintenance log can also help demonstrate that regular checks have been completed and highlight when replacement pads or batteries need ordering.

A Simple Check That Could Save a Life

Whether your organisation has one defibrillator or multiple AEDs, regular maintenance should never be overlooked.

Checking the expiry dates of your pads and battery takes just a few minutes but provides peace of mind that your defib is ready to respond when it matters most. A fully maintained AED defibrillator gives rescuers confidence that the equipment will work exactly as intended, helping to give someone experiencing sudden cardiac arrest the best possible chance of survival.

Don't wait until an emergency to discover your defibrillator machine isn't ready. Make checking your pads and battery expiry dates part of your regular maintenance routine, because when every second counts, having a fully operational defibrillator could make all the difference.

Need Replacement Defibrillator Pads or Batteries?

Regular maintenance also means replacing consumable parts before they expire. Whether you need replacement defibrillator pads, a new battery, or you're looking to purchase a new defibrillator, it's important to choose products that are compatible with your device and ready for immediate use.

At Seal Medical Supplies, we stock a wide range of defibrillators, defibrillator pads and defibrillator batteries, with many products available for fast dispatch to help keep your AED rescue ready.

Browse our range:

If you're unsure which pads or batteries are compatible with your defibrillator machine, our team can help you identify the correct replacement, ensuring your equipment remains fully operational and ready to respond in an emergency.

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