grid tie inverter 300w 2.High quality with competitive price 3.with battery controler 4.OEM,ODM,200W TO 5K grid tie inverter 300w in ... control, duly track of maximum power output of PV module5) Pure sine wave output, auto in-phase grid-connected, fewer harmonic ... wave, no disturbance or impact on grid6) electromagnetic compatibility: EN50081,part1 ...