Be prepared to provide life-saving defibrillation with a Philip AED Battery Long Life for FRx & Onsite powering your Philips AED. This long-lasting lithium manganese battery is disposable so you eliminate the bother of frequent recharging. No need to worry about frequent battery changes because the battery will last four years in standby mode. When you do need your FRx or OnSit AED, the battery will power over 200 shocks. The Philip AED Battery Long Life for FRx & Onsite comes with an impressive Philips 4-year warranty.