Estel - and the rest: This should be part of the "Settings", as an application that you were to run every time you changed battery - and maybe even included the possibility of storing the capacity of more than one battery, allowing you to change.

Technology will develop, new batteries will be made that have higher capacity, just as cheap ones will be made without the same production quality and with lesser capacity. Now someone of us should make a GUI for "learning battery characteristics", save these and set the charge HW correctly. Every battery has a specific "profile", both related to discharge capability and charging, sorry, but i have been lectured on this and get this right will have much more impact than odd tweaks.

Your use of names cause amusement: check computer science what "bnf" means (is an abbreviation for, hint: compiler theory..). The reason for this tool is called "evolution" - but that name is taken. Lets try to get the app going. I can do some coding (C/C++, Perl, Shell), but need help with the GUI. Who is willing to help?