The SurePower Battery System brings unparalleled value and efficiency to battery management. The SurePower Battery Pack provides enhanced on-board processing that allows the battery to communicate its specific charging requirements to the ZOLL SurePower Charger Station or ZOLL defibrillator. The battery’s on-board processing also allows it to provide the following information: The battery’s run time or capacity. The battery’s calibration status. Battery Faults Indications. The SurePower Battery System, complete with SurePower Manager Software, Charging Station and SurePower Battery packs–with longer cycles and runtime indicators–provides information to help understand your defibrillator battery demands. This system offers unmatched value in battery management.