Solar micro-inverter
![Released in 1993, Mastervolt's Sunmaster 130S was the first true microinverter.](/Images/godic/202501/27/Sunmaster_1303724.jpg")
![Another early microinverter, 1995's OK4E-100 – E for European, 100 for 100 watts.](/Images/godic/202501/27/OK4E-1003724.jpg")
![](/Images/godic/202501/27/4inch_poly_solar_cell3724.jpg")
A solar micro-inverter, or simply microinverter, is a device used in photovoltaics that converts direct current (DC) generated by a single solar module to alternating current (AC). The output from several microinverters is combined and often fed to the electrical grid. Microinverters contrast with conventional string and central solar inverters, which are connected to multiple solar modules or panels of the PV system.