lenvm

I was considering a button in the more battery info page. If you could implement that quickly, I’d be glad to merge that into this branch!

Thanks @dalathegreat! I've changed the code to use the data layer and included your commit 12d0bbd to ensure that the code builds.

@dalathegreat, to prevent further merge conflicts: shall I fix the merge conflicts on this pull request once now, and can we then merge this pull request?