APC SUA750 6-Outlet Standalone Smart Uninterruptible Power Supply (750VA, 5-15R) (Discontinued by Manufacturer) Standalone uninterruptible power supply 500-Watt, 750VA output capacity 6 NEMA 5-15R outlets 15.9 minute backup time at half-load, 4.6 minutes at full load LED status display with load and battery bar graphs