martinnm Posted June 4 Report Share Posted June 4 Hello, I have planned a 60, 70 KW PV system with one SUNGROW inverter SHT20 and one SG12T and two SUNGROW SBR storage unit (25.6 kWh). In order to increase the level of self-sufficiency from around 31 percent to 70, 80 percent, I tried to increase the number of battery systems per group/storage (two groups each with an SBR 25.6 kWh storage). Unfortunately, the level of self-sufficiency does not change, even if I add 6 SBR 25.6 kWh storage units to each of the two groups. Why is that? (Watch pls my attachment) Thank you so much, Martin Quote Link to comment Share on other sites More sharing options...
martinnm Posted June 5 Author Report Share Posted June 5 Okay, I know the solution. There is currently no combiner box from Sungrow, which is why you cannot connect several SBR/SBH batteries together. In general, you can only connect one battery to an SH25T. (SUPPORT answer June 4, 2024) 1 Quote Link to comment Share on other sites More sharing options...
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