Did the firmware upgrade.
It seems the 18A MPPT limitation is gone.
I had today 5800W from 6kwp compared with version.... 05 7.01 where the MPPT could not produce more tham 5000W from my PV setup.
Here is a good guide
You need the usb-serial drivers (the same from the cd with PVKeeper), the ISPTool v4.20 or 4.30 and the bin files.
If you wish to do MPPT fw-upgrade, load F030 file first (7-10min) and after inverter restart, load the inverter file F2809 (8-11min)
Check Firmware on your Growatt inverter 1. Press the down arrow key until you see the firmware version: (if it shows the following, you should upgrade your firmware to the latest version) Get the update tool and latest update files from us 1. ISP TOOL V4.20.exe (72Mb) 2...
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