Solax X1-4.2T BOOST single phase 4.2 kW inverter boast a wide MPPT voltage range to allow you to harvest the maximum amount of energy possible from your PV systems ---Simple.Reliable.Efficient--- SolaX have developed a range of single phase inverters unrivalled in the industry for their quality, reliability and efficiency. The SolaX single phase inverters boast a wide MPPT voltage range to allow for more energy harvesting and have a maximum input voltage of 580V, with a maximum efficiency of 97.6%. In addition, SolaX single phase inverters are IP65 rated, have no internal fan and come with optional ‘plug & play’ WIFI. The dual MPPT ‘Boost’ range is also compatible with the new SolaX ‘Smart Plug’ which allows for device remote control.