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Growatt 5kw panels configuration

Adrian75

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Joined
Aug 4, 2022
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2
Hi,
I’m looking for the optimal panel configuration for the system presented bellow:
48V 100Ah LiFePO4 NIFEITOR battery
5 kw Growatt inverter
4 x 550 w panels
4000 VA gas generator as a backup.
Thanks!
 

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Sorry mate, I didn’t know that.
this is the invertor’s plate.
 

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Put your 5 panel in series.

They are 50 Voc panels and the Growatt is rated for 450 V max.

So 5 in series, in very cold weather will be under 300 V, so no issues there.

Meanwhile operating voltage of those panels at max output is ~42 V, which with 5 panels in series = ~210 V, while the inverter has MPPT input voltage range of 120-430 V.

If you wanted in a cold climate you could add another 2 panels of the same panels in series, or 3 panels if you are not in a cold climate.
 
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