Smart-UPS On-Line provides high density, true double-conversion on-line power protection for servers, voice / data networks, medical labs, & light industrial applications. Capable of supporting loads from 1 to 20k VA in a rack/tower convertible form, the Smart-UPS On-Line is available from 2U to 12U. Recent family extensions at 15 & 20k 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. Automatic internal bypass: Supplies utility power to the connected loads in the event of a UPS power overload or fault. Scalable runtime: Allows additional run time to be quickly added as needed. Intelligent battery management: Maximizes battery performance, life, & reliability through intelligent, precision charging. Hot-swappable batteries: Ensures clean, uninterrupted power to protected equipment while batteries are being replaced