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- Summary:
- I am trying to determine how to represent open circuit voltage during laplace transform

I am interested in modeling a battery charging/discharging. I am starting off with a simple model using a voltage source in series with a parallel RC branch which is in series with a resistor. I will be measuring the open circuit voltage between the last series resistor and the bottom of the source. In the past when I've done Laplace, it was never looking at open circuit voltage but voltage across an element. For this, I'm wondering if I represent the open circuit voltage as a simple voltage source when doing the Laplace transform or is it something more?