Apc be550g uk power saving back ups es 550va ups with 8 outletsr featuresr r battery failure notificationr provides early warning fault analysis on batteries enabling timely preventive maintenancer battery protected and surge only outletsr reserves power capacity and run time for connected equipment that require ups battery back up while providing surge only protection for less critical equipmentr cold start capabler provides temporary battery power when the utility power is out r hot swappable