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Philips FRx/OnSite/HS1 AED Replacement 4-Year Battery
Replacement or spare battery for the Philips HeartStart OnSite, FRx and Home AED units.
Need to change the battery? This 2 minute video will show you how!

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I wish all customer service people were as pleasant to deal with as you are. Life would be a much better place.
Lui D'Amico
Philips replacement 4-year battery for the Philips HeartStart OnSite, Home, and FRx AEDs.
Lithium Battery - as required by Transport Canada, lithium batteries are shipped as Dangerous Goods.