HeartHero Elliot AED Battery Replacement Guide
One of the key advantages of the HeartHero Elliot AED is that it uses standard CR123 batteries. This makes battery replacement simple, practical and cost-effective compared with some AEDs that require specialist battery packs.
What Batteries Does the HeartHero Elliot AED Use?
The HeartHero Elliot AED uses four CR123 batteries. These are small, widely available batteries commonly used in cameras, torches and other electronic equipment.
Although the AED may accept different brands of CR123 batteries, Duracell CR123 batteries are recommended. The unit has been tested using Duracell batteries, which help provide the best performance and reliability.
Easy to Buy Replacement Batteries
CR123 batteries are readily available and can usually be purchased individually or in multipacks, including packs of 10.
Replacement batteries can be bought from ProTrainings or from many other retailers, making it easy to keep spare batteries available when required.
How Long Do the Batteries Last?
Battery life will depend on how often the AED is turned on, checked or used.
Under normal conditions, the batteries should last for approximately three years.
Regular AED checks are important to ensure the batteries remain suitable and the device is ready for emergency use.
How to Change the HeartHero Elliot AED Batteries
Changing the batteries is straightforward. The battery compartment is located on the side of the AED.
To replace the batteries, lift the flap, open the battery cover and carefully unscrew the cover.
Take care not to lose the battery cover. Replacement covers may be available, but they can be costly due to the design and specialist finish.
Fitting the Batteries Correctly
Remove the old batteries and insert four new CR123 batteries.
The batteries should be fitted with the negative side facing down. This is the black end of the battery.
Once all four batteries are correctly inserted, refit the battery cover and screw it securely back into place.
AED Self-Test After Battery Replacement
After the batteries have been replaced, the HeartHero Elliot AED will run through a full self-test.
This process checks that the unit is functioning correctly, similar to the test carried out when the AED is first set up.
Once the self-test is complete, the AED should be ready for use.
Storing Spare Batteries in the HeartHero Elliot Case
The HeartHero Elliot AED case includes space to store spare batteries in the top section of the case.
The spare batteries are not supplied as standard with the case, but they can be added easily.
Keeping replacement batteries with the AED helps ensure that they are available when needed.
HeartHero Elliot AED Battery Maintenance Summary
The HeartHero Elliot AED offers a practical battery system by using standard CR123 batteries. By choosing recommended batteries, fitting them correctly, securing the cover and allowing the self-test to complete, users can help keep the AED emergency-ready.
Good battery management is essential for AED reliability and emergency preparedness.

