Items have been used previously but work as intended and have been tested. Back Door has broken clip so it does not stay attached by itself. See picture 2. All outlets work as intended.Tripp Lite BC600SINE 600VA 375W UPS Battery Back Up Pure Sine Wave PFC Tower 120V USB, 6 Outlets Black
Tripp Lite's BC600SINE tower, sine wave UPS system provides long lasting battery backup for a variety of computer and electronic applicationsSine wave output in both line and battery modes provides compatibility with all electronic loads, including PC and Mac systems fitted with Active Power Factor Corrected (PFC) power suppliesBC600SINE UPS system switches to battery derived sine wave AC output during power failures and severe voltage fluctuations with enough time to shut down without data loss650VA/375 watt UPS capacity with 3.3 minutes runtime at 100 percent load and 11.1 minutes at 50 percent loadProvides 18 minutes battery runtime with a typical desktop computer system consuming 100 watts