...
Keysight N7909A x2?
Keysight N7000 series power supply - model TBD
Data Acquisition Unit (DAQ970A with a plug-in module, model DAQ970A)
Outputs
Number for cell capacity
Number for DC and AC internal resistance
...
Log of temperature and voltage over the entire discharge
This will give us a Differential Voltage / Incremental Capacity curve which can be used to estimate a lot of parameters.