Check out how tough our Inverters are! XLGT Series Transformerless grid-tie inverters are the most affordable, reliable, lightweight and best regulated, true sine wave grid-tie inverters available. Made in America, EXELTECH XLGT SERIES GRID-TIE INVERTERS are Transformerless, which means greater efficiency, lower cost, and less weight. The XLGT SERIES grid-tie inverters weigh only 14 lbs. Ultra lightweight, yet rugged enough for the most extreme indoor/outdoor environments, the XLGT Series grid-tie inverter is housed in a NEMA 3R enclosure for maximum environmental safety and protection.  The XLGT Series, a cost-effective solution to tie into the grid with ease. Pure Sine Wave AC Made in the USA XLGT - 1800 Watts AC output - 200 to 600 Vdc Input 96.5% Efficient - Compact - Simple one person installation - Natural convection cooling - Built-in AC/DC disconnect - ETL Certified to UL1741