>>1527485I could swear I read an artcile that explained it a few years ago... but I can't find it.
Mandela effect?
Anyway, fuck the 15%, but the longer the battery needs to fully recharge, the more it is "drained". So more often you charge the better.
And don't worry about leaving it charging after 100%, batteries aren't dumb enough to keep sucking energy after they are full (well, kinda)