Smart-UPS On-Line provides high density, true double-conversion on-line power protection for servers, voice/data networks, medical labs, & light industrial applications. Recent family extensions at 15 & 20 k VA enable support of power hungry blade servers or heavily loaded equipment racks. When business-critical systems require runtime in hours, not minutes, Smart-UPS On-Line can be configured with matching battery packs to comply with aggressive runtime demands. The entire Smart-UPS On-Line family provides value to customers with demanding power environments, including very wide input voltage window, extremely tight output voltage regulation, frequency regulation, internal bypass, & input power factor correction.