A Calculation of the Internal Resistance of Batteries


At this web page you're able to calculate the internal
resistance Ri of a battery (or a DC power supply).

Equivalent circuit diagram of a battery with a load

The internal resistance Ri of a battery.
Please enter the values of E, RL, Vp and N = number of
cells. Finally press the button.

E = V   RL = ohms   Vp = V   N =

   

IL = mA   Ri = ohms   Ricell = ohms/cell