AED Pads & Batteries

A crucial part of any successful AED initiative is keeping your defibrillators ready for use in any SCA emergency. Regular AED maintenance including monitoring and replacing aed pads and batteries is an absolute must in keeping your units ready for action. To aid you in keeping your AEDs ready for action, we carry a wide range of AED pads, replacement AED batteries, and other important accessories from all major AED suppliers.


Philips HeartStart OnSite AED

Philips HeartStart FRx AED

We also understand that having the necessary knowledge and facts is an important part of making sure your AEDs are always ready. With many questions specifically around the common pads and batteries accessories, we decided to prepare a quick AED Pads and Batteries FAQ to help answer common questions. If you’re in need of more specific information, or have a suggestion of something we should add, please do contact us.

AED Pads & Batteries FAQ

Do AED Pads expire?

Yes, all AED electrode pads expire. Electrode pads contain an adhesive, a conducting gel, and a metal electrode. These components can break down over time and manufacturers cannot guarantee the pads will function properly in an emergency past the expiration dates listed on the packaging. It is important to be sure the electrode pads stored with your AED have not exceeded their expiration date. Expiration dates are found on the AED electrode pad packaging and are intentionally made easy to identify.

How much do AED Pads cost?

Adult electrode pads are priced anywhere from $40 to $180 per set, and pediatric electrode pads cost about $100. Cost depends on the AED make and model. Pediatric pads are more expensive because they typically contain an attenuator to adjust the energy levels down to those safe for children under 55 lbs.

Where are AED Pads placed?

Two-piece adult electrode pads are placed with one pad on the upper right chest and one pad on the lower left rib cage. All AED electrode pads have a visual representation on the pads themselves to show you where to place them. One manufacturer has a one-piece adult electrode pad which uses a cross-hair center piece to help you align the pads properly. (This center piece also gives real-time CPR feedback on compression depth.)

Where are AED Pads placed on a child?

For children under 55 lbs, pediatric electrode pads are recommended. In most cases, one electrode pad would be placed in the middle of the child’s chest, and the other in the middle of the child’s back. Apply according to the visual representation on the pediatric electrode pad packaging. If your AED has a reusable infant/child key, insert this key in the AED and use the normal electrode pads as instructed.

How much are replacement AED Batteries?

Replacement AED batteries cost between $35 and $400, depending on the make and model of your AED.

What kind of batteries does my AED take?

Most AEDs use custom-manufactured and model-specific lithium batteries. To determine which battery your AED needs, find your AED in the list above! One exception is the ZOLL AED Plus which uses ten consumer lithium 123A batteries. All ten batteries should be replaced at the same time. In the case of the Physio-Control LIFEPAK CR® Plus and Physio-Control LIFEPAK EXPRESS® AEDs, the devices use an internal battery which is trickle-charged using a CHARGE-PAK charging unit which is sold together with new electrode pads.

Have additional questions?

Visit our AED Battery and Electrode pads FAQ page to learn more.


At AED Superstore we take sudden cardiac arrest extremely seriously and understand that well-maintained equipment and the right information can be the difference between a successful emergency rescue and a life lost. Keep your equipment ready and be sure to let us know how we can help.


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