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Regarding the impedance accuracy of ADBT1001

I am looking for a device that can measure the impedance of a lithium-ion battery in units of 10 mΩ. There is a statement that the ADBT1001 has a 16-bit ADC.

If the measured current is 20A, the reference 5V for this device
I thought it was possible with 5 ÷ 2 ^ 16Bit ÷ 20A = 3.81μΩ.
Is it correct?