Zoll AED Plus takes Duracell Type 123 Lithium Batteries packaged in a set of 10 batteries 5 year expiration date from date installed 10 year shelf life redundant circuitry; when on set of 5 batteries fail, te other ffive are there for backup not recommened to use generic or off brand batteries in Zoll AED Plus; may result in longer defribrillator charging times than those required during emergency situations
