... mswave formSine WaveVoltage T.H.D.<2% with linear load, <5% with nonlinear loadCrest factor / power factor3:1 / 0.9TechnologyTrue On-Line double ... , critical overload, battery exhausted, low output voltage, high output voltage, DC fuse open, %v power supply fail, 13.5 v power supply fail, inverter overvoltage, 200 ...