Be prepared when an adult needs cardiac arrest support. The HeartSine Samaritan Adult PAD-PAK is designed for use on patients over 8 years old and above 55 lbs. This package contains a battery and one set of adult defibrillation PADs in an "all-in-one" system cartridge, with only one expiration date to monitor. Each unit enables a Samaritan® PAD unit to provide >6 hours of continuous monitoring or 30 shocks. The Samaritan PAD will provide a prompt when battery power is down to 10 shocks or less. Each PAK is rated for 3.5 years of use (both PADs and batteries) from the date of manufacture. Electrode PADs are contained inside an innovative PAD-PAK and are accessible by pulling the green tab. Compatible with the PAD Samaritan 350P, 360P, 450P, and 300P.