Lutz-Peter Hooge

I submitted a pull request with a fix. I used a different method than elisamuel40's because that did not work perfektly for me with long lists, due to the hardcoded...

Note: numberOfCells can be different values than 4 or 8. For example for electric motors 48V batteries are common, those have 16 LiFePo4 cells in series. And in the future...