installing the mismatch module can only solve the mismatch in the string, not solve the mismatch issue among the strings. only fully installed can solve mismatch issues in single string and among the strings, get the performance to reduce more power losses. this solar optimizer could work normally with any brand string inverters in the market. it is not for a certain brand, it's universal. this solar optimizer could work with poly/mono-crystalline solar modules, but could not work with flexible bipv panels. outdoor ip65 waterproof, long servise life. anti spot. friend of solar system, help you produce more power and prevent from burning the panels.strong housing, good performance, long cable, mc4-compatible connectors..syi