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现在是用bq40z80做一个7S2P的电池,按照手册上说的进行learning cycle,lstatus更新到0x0E,已经学习成功。但是FCC和Qmax相差很大,设计容量填的是6000mA,学习完成后,FCC现在是5904mA,7串电芯的Qmax是6800mA左右,pack qmax是6900mA。现在放电对比三元的标志soc表格,得出的soc相差很远,超过10%。是不是因为FCC与qmax相差太远导致的??现在我想更改设计容量为6600mA,要怎样才能更新FCC的值???