We provide 2 years warranty and 12v / 24v / 48v dc optional and 36 / 60 / 72 / 84 / 96 / 110 / 120v ac customization. For the AC output voltage, 100 / 110 / 115 / 120 / 220 / 230v ac optional and EU / USA / Japan / UK / Australia / Universal socket optional. We own CE / FCC / ROHS / PSE / ETL and pass ISO. The inverter is sufficient power watt with original imported chip, IGBT, MOSFET and accept OEM / ODM.