This is Fahime at Mehr electronic company in Iran. We are importing electronic products from China for about 16 years. We are recently looking for inverters that feature as follows: 500, 1000, 1500 and 2000 w Efficiency atleast 85% protection (thermal_ short circuit_ overload_ inverse polarity) USB port Clips Outside fuses Big transisitor Heat sink Attached is the picture of one of our 2000 w inverters. This kind of PCB board is acceptable for us as a high quality PCB board. wechat: fahimemehr1367 whatsapp: 00989134336754 Show More