Smart-UPS RT is a family of high-density, performance UPSs for voice and data networks, medical labs, and light industrial applications. An unlimited number of matching battery packs can be added to comply with aggressive runtime demands of "always on" business-critical systems. users can support power hungry blade servers or heavily loaded equipment racks. Customers looking for extremely tight voltage and frequency regulation, internal bypass, and input power factor correction will find them in the Smart-UPS RT.