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BQ40Z80: 电量学习成功,满充容量远低于实际充放容量

Part Number: BQ40Z80

BQ40Z80,6串2并,实际容量6700mah,严格按照电量学习过程走完,25℃左右,老化设备测出容量6700mah左右,但是芯片读取的满充容量只有4300mah左右,重复了几次都是同样的结果,甚至容量更低,同时电量学习成功updatestatus=0e。满充后no load cap,这个值的显示是6700mah以上。gas gauging-state列表下,qmax cell 和qmax pack显示都在6700mah以上。请问,可能是哪个环节有问题?