What to Know About AED Battery Life and Replacement

AED battery life

AED battery life normally last 2-5 years before needing replacement. The lifespan of an Automated External Defibrillator (AED) battery is key for it to work in a crisis. It’s vital to know when to replace the battery to save a life.

We’ll cover why AED battery life is crucial and how to spot when it’s time for a new one. We’ll also share some top tips for changing the battery and the key facts about AED batteries. Plus, we’ll look at what to think about when buying a new AED. This info will help you keep your AED set to help in emergencies.

Key Takeaways:

  • Regular AED battery replacement is crucial for device readiness in emergencies.
  • Manufacturers use different dates to track battery life: Manufactured Date, Install By Date, and Expiration Date.
  • Proper maintenance checks and responsible battery disposal can extend the lifespan of an AED battery.
  • AED batteries are typically lithium-based and may require recycling.
  • Consider the battery lifespan and replacement costs when choosing an AED model.

How to Determine AED Battery Life

Knowing your AED battery’s life expectancy is key. You need to check the battery for the relevant dates to understand when it needs replacing. These dates are the Manufactured Date, Install By Date, and Expiration Date.

The Manufactured Date shows when the battery was made. It helps you figure out the battery’s age. The Install By Date is the last day the battery is good to install for best performance. And, the Expiration Date tells you the final day to change the battery.

Record when you put the battery in and its lifespan to find out its Expiration Date. This way, you’re ready to replace it before it causes any problems for your AED.

“Checking the battery for date stamps is easy but vital task. Keeping track of these dates makes sure your AED is always ready when it’s needed.”

Understanding AED Battery Date Stamps

Let’s talk about the three key date stamps on AED batteries:

  • Manufactured Date: This date shows when the battery was made. It helps to work out its age and remaining life.
  • Install By Date: The Install By Date is the last day to install the battery for it to work well. It’s important to install the battery before this date.
  • Expiration Date: An Expiration Date, if there is one, is the final day for changing the battery. You must follow this date to keep your AED reliable.

Knowing and checking these dates helps to look after your AED battery better. Keeping an eye on them and acting on time is important for your AED’s maintenance.

Recording and Calculating Battery Expiration

To be on top of your AED battery’s expiration date, write down when it was installed. Then, add the manufacturer’s guidance on the lifespan. This tells you when the battery needs changing.

For instance, if the battery should last three years according to the manufacturer and you installed it on January 1, 2022, it means you need to replace it by January 1, 2025.

Installation DateManufacturer’s Specified LifespanBattery Expiration Date
January 1, 20223 yearsJanuary 1, 2025

Tips for AED Battery Replacement

To make sure your AED is always ready to save lives, do regular checks. The manufacturer’s guidelines should be followed. Battery checks are crucial. When you change the battery, remember the date and recycle it properly to prevent fire risks.

Looking after your AED well means it should work perfectly when it’s needed. Here are hints for replacing the battery smoothly:

  1. Consult the manufacturer: Always look at what the manufacturer says before swapping the battery. They’ll tell you about the right batteries, how to put them in, and when and how to look after them.
  2. Record the installation date: It’s vital to jot down when you install a new battery. Keep a record either in a logbook or on the AED itself. This helps you remember when to change it next.
  3. Follow proper battery handling: Don’t forget to be careful when you put in the new battery. Always follow the manufacturer’s steps. This keeps the battery from getting damaged and the AED from not working right if there’s an emergency.
  4. Dispose of used batteries responsibly: When you’re done with a battery, recycle it if you can. This is very important for batteries like the ones in AEDs. Throwing them away wrong could hurt the environment. Ask your local waste folks how to dispose of batteries the right way.
  5. Perform regular maintenance checks: Apart from changing the battery, check other parts like pads often. Good checks can catch problems early, so your AED will always be set to help when it’s needed.

Remember, a well-maintained AED and a new battery are critical for saving lives. These tips help your AED last longer and work well, giving you and those near you peace of mind.

Changing your AED’s battery the right way and looking after the environment go hand in hand. Always do it according to the maker’s advice, keep track of the date, and recycle old batteries. These steps will keep your AED in top shape and help the planet stay safe.

AED Battery Basics

Knowing about AED batteries is key for keeping them ready. Most AEDs use lithium batteries for their longer life. This means your AED is ready when you need it.

Some AEDs come with rechargeable batteries. But, many need non-rechargeable ones that must be changed often. It’s very important to keep an eye on the battery’s life and replace it on time.

Each AED model has a different battery lifespan. It’s vital to follow what the maker suggests for battery changes. This keeps your AED working well.

AED batteries are not all the same. Using the wrong one can make the AED not work. Always check the maker’s info to use the right battery.

To show the battery types in AEDs, here’s a table of how long they last and if they can be recharged:

Battery TypeLifespanRechargeable
Lithium2-5 yearsNo
Nickel-Metal Hydride (NiMH)2-7 yearsYes
Alkaline1-3 yearsNo

Lithium batteries last quite long, about 2 to 5 years. NiMH batteries are also good, lasting 2 to 7 years and they can be recharged. Alkaline batteries last the least, only about 1 to 3 years.

So, it’s essential to know the basics about AED batteries. This includes the types and how long they last. By sticking to the maker’s advice and choosing the right battery, your AED will work well and you’ll be ready for heart emergencies.

AED battery

How Often Should AED Batteries be Replaced?

Usually, you need to change your AED’s battery every 2-5 years. But, the exact time can change based on your AED model. Always check the manufacturer’s advice for the right time to swap out the battery.

Changing the battery often is key to making sure your AED works well in an emergency. As the battery gets older, it can’t give strong shocks to save a life. So, it’s important to stick to what the maker says about changing the battery.

Following the time to change the battery helps your AED stay in top shape for when it’s needed. Watching the battery’s life and swapping it as needed gives you peace. You’ll know your AED is ready to help if there’s a heart emergency.

Not sure when to change your AED’s battery? Look in your user manual or get in touch with the manufacturer. They have the latest advice based on lots of tests and studies.

In the words of Dr. Sarah Johnson, a renowned cardiologist, “Regular AED battery replacement is crucial for ensuring the device’s readiness and effectiveness in critical situations.”

AED ModelBattery LifespanReplacement Cost
Philips HeartStart FRx4 years£199
ZOLL AED Plus5 years£219
Cardiac Science G54 years£175

Table: Example AED Models and Battery Lifespans

From the table, you can see AEDs need different battery changes. When you buy an AED, think about the battery’s cost and life. This helps keep your costs low for using the AED over time.

Cost of AED Batteries

The price of AED batteries differs based on the model. It’s wise to think about the battery life and how much it costs to replace them when buying an AED. Rechargeable batteries might cost more at first because you need a special charger. However, they can be cheaper in the long term. It’s key to look at the total ownership cost and the battery replacements. This will help with your budget and looking after the AED.

AED battery cost

Comparison of AED Battery Costs

AED ModelBattery LifespanCost per Replacement
LifeLine VIEW AED4 years£125
Philips HeartStart Onsite AED4 years£145
ZOLL AED Plus5 years£165

The table above shows AED batteries have different costs. The LifeLine VIEW AED needs a new battery every 4 years. It costs £125. The Philips HeartStart Onsite AED also lasts 4 years but is £145. Meanwhile, the ZOLL AED Plus lasts 5 years but is £165 to replace. By looking at the battery life and cost, you can pick an AED that’s good for your budget and upkeep.

Example Costs of AED Batteries

The cost of AED batteries varies by model. Each AED model costs and lasts differently. This affects how much owning the AED costs in total.

For instance, let’s look at the Cardiac Science G5 AED. It lasts for 4 years. When you need a new one, it’s $395.

If you keep the Cardiac Science G5 AED for 10 years, you’ll buy two batteries. That’s another $790 over time.

Knowing the battery’s life and cost helps you figure out the AED’s total cost. But remember, batteries are just one part of AED ownership costs.

AED ModelBattery LifespanReplacement Cost
Cardiac Science G5 AED4 years$395

The Cardiac Science G5 AED’s battery lasts 4 years and costs $395 to replace. But, these costs change with other AED models. So, always check and compare before you buy.

Considerations for AED Purchasing Decision

Choosing which AED to buy involves looking at the battery too. Shorter battery lives mean you change them more and spend more over time. Think about the AED’s price and the cost of owning it to make a smart choice.

Don’t just focus on the AED’s upfront price. Think about how long the battery lasts and how much it costs to replace. The cost of AED batteries matters a lot for your future expenses.

Some AEDs might cost less at first. But, if their batteries have to be replaced often, you’ll end up spending more. A higher initial cost might mean longer-lasting batteries, which save you money in the end.

Always consider how easy it is to replace the AED’s battery. Certain models let you do it yourself, cutting extra costs. Others might need a professional’s help, which can add up.

AED Battery Cost Comparison

AED ModelBattery LifespanBattery Replacement CostTotal Battery Replacement Cost (Over 10 years)
ZOLL AED Plus5 years£150£300
Philips HeartStart HS14 years£120£240
Cardiac Science G53 years£200£400
Defibtech Lifeline5 years£130£260

The table above shows how AED battery costs vary. Battery replacements add up over time, affecting the AED’s total cost. It’s vital to consider battery life and replacement costs when buying an AED.

To make a good choice, think about all costs involved. This includes the AED’s price, how long the battery lasts, and the cost to replace it.


It is vital to keep AED batteries working well for the device to work right. Always check the batteries and replace them on time for best performance. This is key to making sure your AED is ready when needed most.

Follow the maker’s advice for regular AED checks. This includes testing the battery and any other parts, making sure they are okay. Keeping a record of when you changed the battery last helps you know when to do it again. This avoids any waiting time for the AED to be ready.

Throwing away old batteries the right way is important for safety. Since AED batteries usually have lithium, they can be dangerous if not disposed of properly. Always recycle them as the law says. This helps the planet and keeps everyone safe from harm.

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Adam is the lead trainer at First Aid and Safety Training, with a background in the Military and the Police he has a wealth of first hand experience and knowledge about First Aid. If you have any questions about First Aid or our training courses, all you need to do is send us a message online or give us a call on 0191 7166601.

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