... 4.OEM,ODM,200W TO 5K 220v 48v grid tie inverter in Qingdao allrun new energy co., LTD1)Digital DSP Control ... by transformer. LCD display protection:input power,output power;input voltage,output voltage, input current ,output current; frequency,temperature and so on.2 ... 4.5Wave FormTHD<3 %Loss At Night<0.5WPower Coefficient>0.95>0.99Maximum(kw)0.330.551.12.23.35.4122456Protective FunctionsProtection ...