This Solaredge power optimizer only works with 72-cell solar panels.The Solaredge M1600 power optimizer has been specially developed to work with commercial Solaredge inverters from SE30k and above. Together they generate a maximum achievable energy yield and provide a performing solar panel system.The optimizer comes with a 12.5 - 105 MPPT operating range and 12.5 ISC.Solaredge's M1600 power optimizer is suitable for open field setups. It is not suitable for roofs and parallel installations. This also applies for 1 row> portrait and landscape configuration. It is important that the secondary input is closed if only the primary input is used.