... future expansionHighest reliability and maximum performance for power sharing and redundancyEquipped with Maintenance Bypass ... Battery mode)WaveformSine WavePower factor0.7Voltage Distortion£ 2% under linear loadOverload Capability105% ~ 130% for 10 min., ³ ... SwitchYesLED indicatorsStatusLoad level/Battery level, Battery , Utility power, Inverter, Bypass, Overload, FaultAudible alarmBypassAlarm beeps ...