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Hello, I'm trying to build my own DIY system and I'm finding that the choice of vendors for inverters and panels is very limited. In particular inverters. For grid-tied inverters the only option really seems to be signaturesolar.us which has a couple inverters in stock that are price right...

Hello, Looking at this eBay listing they are selling 5kw grid-tied Growatt inverters 'upgraded' to 6kw. They say that the unit label is 5kw but box says 6kw. Any idea what the deal is here ? Is the hardware the same for 5kw and 6kw with just different firmware ? Also, from various posts /...