When I got my last phone (samsung galaxy) a couple years ago it came with a free passive charger, the round angled one mentioned above. I used it for a couple of months. Yes, it was convenient. When I noticed a hot smell and the phone got hot as hell I stopped using it. I have plugged in ever since. Really, I have no issue with plugging a phone in, the whole passive charge thing is, IMO, a gimmick targeting lazy people.
