I just received a new UPS, Uninterruptable Power Supply. It is a CyberPower OR1500LCDRM2U. The Unit is good for 1500w at 18min run time at half load. After calibration I get a bit more out of it. I will write a review about this UPS but so far it’s very nice.
Here are the specs: CyberPower OR1500LCDRM2U