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BQ40Z50: SOH issue

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Prodigy 10 points
Part Number: BQ40Z50

Hi,

We are facing an SOH issue,SOH decreased a lot(84%) while all other parameters are within spec,any advice for our investigation?

During our investigaion,we found that the standby current of the product is around 40mA,compared with the settings inside BQ40Z50, it seems the product can never enter Relax mode to update OCV and Qmax from DSG mode before the battery entering storage mode when fully discharged,in this case,what will happen to SOH?