Zoll AED Automatic External Defibrillator Plus Batteries Set of 10 123 Lithium

For AED Plus units running software version 5.32 or higher, replace batteries every 5 years or if unit prompts. For earlier software versions, replace batteries every 3 years and place a dated AED Plus battery replacement reminder label next to the On/Off button. These labels are available from ZOLL Customer Service. Use only type 123A lithium manganese dioxide batteries from recommended manufacturers.■ Remove all batteries from battery compartment and discard before installing any new batteries. ■ Insert 10 new batteries into battery well. Do not use old batteries. ■ Press button in battery well only after installation of new batteries.