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Hi, my Growatt SPF5000ES shuts down (error 04, lo battery voltage) with 2 200Ah Rosen batteries showing positive SOC but very low voltage. I tried to reset the batteries pushing the BMS reset switch but no luck.. The dischaging seems to proceed normally then, suddenly, the battery voltage drops...

Hi, I installed a new Growatt SPF5000ES inverter then I discovererd that the rated ourput AC power is 3.500Wh, instead the supposed 5.000Wh. Tried to get in touch with Growatt but no luck..