Choose an FR2 Battery - Long Lasting to power any Philips FR2 series defibrillator. This lithium manganese battery is disposable so you don’t have to hassle with recharging your battery. Better yet, go green and recycle your old FR2 Battery! The long life battery will last at least 4 years in standby mode, and usually 5 years when installed by the specified “install by date.” When you do need your FR2 defibrillator, this battery will provide a minimum of 300 shocks or 12 hours operating time. The FR2 Battery is compatible with Philips medical Instruments M3840A, M3841A, M3860A, M3861A (for all Philips FR2 series Defibrillators). The battery carries the CE-marking and is compliant with the Medical Device Directive requirements, 93/42/EEC.