Posted December 22, 20222 yr I heard that connecting 2x Inverters in parallel that the firmware have to be the same--Is that so ? I have a 5KW Growatt inverter with firmware 1( 040-06-104) 2( 041-06-104) Cheers
December 22, 20222 yr I have two in parallel, they both have the same firmware version, so I cannot say if they would work with different firmware. Contact Growatt in China, they are maybe able to help.
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