UPS Powercom Imperial 1000AP / 1000VA / 550W

Quick overview from the supplier:

UPS PowerCom Imperial 1000AP Line Interactive, AVR,CPU, USB (ON/OFF management) Line interactive design Boost and buck AVR (Auto voltage regulation) Fully digitized microprocessor controlled Energy saving function (UPS green mode) Smart power management with software Cold start function (DC power on) Lightning and surge protection Short circuit and overload protection Advanced battery management (ABM technology) Automatically charging when UPS off EMI/RFI noise filter Back up, on-line, battery status LED display AVR Boost/Buck LEAD display Back-up Time (a PC with 15" monitor) - about 35 min