Type 123 Duracell® Lithium Batteries, quantity of ten (10) for the ZOLL AED Plus.
 
ZOLL brand AEDs operate on batteries only. Always have a fully charged spare set available.
 
Please note: When you have installed the new batteries you must press the button in the battery compartment when the AED directs you to do so. Failure to press the button will result in the failure of the AED to recognize the new batteries.