The SUINT1500LCD2U Smart Online 208/230V 1.5k VA 1.35k W On-Line Double-Conversion UPS provides battery backup & AC power protection against blackouts, brownouts, power surges & line noise that can damage electronics or destroy data. It continuously regulates AC output within 2% of the selected nominal output voltage with zero transfer time from online to battery mode. Featuring six C13 outlets (four switchable) & a C14 input, the SUINT1500LCD2U has an internal battery that provides 12.6 minutes of support at half load & 4.5 minutes at full load. Adding external battery packs, such as BP36V27-2US (sold separately), provides extended runtime. Managing the SUINT1500LCD2U is simplified through the interactive front-panel LCD interface, which displays operating conditions & diagnostic data, such as load & battery levels. You can set power strategies to reflect your protection priorities, whether it’s precise power quality for sensitive systems or the highest possible electrical efficiency. EMI/RFI noise filtering improves your equipment’s performance & prevents damage. A 936-joule surge suppression rating protects your equipment from harmful power surges. With Tripp Lite’s free downloadable POWERALERT software, the SUINT1500LCD2U enables safe unattended system shutdown & file saves in case of a prolonged power failure.