1200 Watt Grid Tie Power Inverter 28 V-52 V Dc Input / 90 V-130 V Ac Output Charge for 36 V Solar Panel System Suitable for solar panels with maximum and operating voltage 14V - 24V DC and power up to 1200W Reduces your household electricity bills by generating solar power into the mains network Direct connection of the solar panels - no need for a battery or solar charge controller Fully automated operation, fault protection and automatic shut down Big ball type fan,DIP PCB board,group capacity,low impedance filter is more effective, heating temperature is lower 15 degree