The APC™ by Schneider Electric Smart-UPS™ is a high performance uninterruptible power supply (UPS). The UPS provides protection for electronic equipment from utility power blackouts, brownouts, sags, and surges, small utility power fluctuations and large disturbances. The UPS also provides battery backup power for connected equipment until utility power returns to safe levels or the batteries are fully discharged. Features - Replacement battery (1) is available - 750VA/600W line interactive pure sine wave 2U rack/tower UPS (rail kit SU032A sold separately) - Add up to 5 external battery packs (SMX48RMBP2U) - Graceful shutdown using serial or USB cables via PowerChute Business Edition - Automatic Voltage Regulation keeps output voltage within acceptable user selectable levels - Ideal for servers, storage, networking & commercial applications - Environmental performance of the product