... linear load, <5% with nonlinear loadCrest factor / power factor3:1 / 0.9TechnologyTrue On-Line double conversion controlled ... alarmsSoftware ProtectionsDischarging batteries, Battery charger working, Inverter working, Emergency Power Off, manual Shutdown, Bypass SCR fail, bypass sequence ... , high output voltage, DC fuse open, %v power supply fail, 13.5 v power supply fail, inverter overvoltage, 200% ...