bad customer services all the way around
do not ever by a growatt inverter there is not warranty on the tried to return where i puchased it the guy said he does not warranty growatt. then i contacted the place he purchased it from and was told they do not warranty growatt . i asked ifn they could fix it and they said they could not fix it. then i call growatt no one answers the phone or answers a email or you cant read the emails.