Discharge up to eight 1.5V alkaline cells independently with constant current and measure the time = capacity.
Based on Arduion Nano.
Youtube Video in English: https://youtu.be/sXIeAKB41Y0
Youtube Video in German: https://youtu.be/Gl1ISn4Dsfc
Software on Github: https://github.com/RainerU/DestructiveBatteryTester