At the regular grotto meeting of 16 February 2021 I gave a presentation comparing the capacity of various kinds of batteries. This post has links to the presentation file and to the data files that I collected.
The data files are plain text, comma-separated values. They can be imported to any spreadsheet or graphing program. I used https://labplot.kde.org/ to create the graphs in the slide show.
The first column in the data files is elapsed time in seconds. The remaining columns should be clearly