Liebert 1000VA/900W 120V Line interactive UPS with pure sine wave output

Liebert PSI is a feature-rich UPS system with industry leading 0.9 power factor. Its high power output delivers superior performance on power factor corrected (PFC) power supply and satisfactory backup time in the high demand environment.The UPS features an innovative design incorporating buck/boost automatic voltage regulation technology. This protects against utility voltage function by raising and lowering utility power to the level needed by the connected equipment. It also allows the UPS to prolong battery life by maximizing its time on utility power before going to battery.