I have had 2-48watt charger cables spark and smoke. Both times I was sitting close by, otherwise this could be a potential major hazard if unattended. The area that has failed both times is where the wire goes into the magnetic plug. The last time was this weekend and I went back into the Microsoft Store to get a replacement, I was told Microsoft doesn't make them any more. I really don't know what to say! Is there a recall on these chargers? I am thinking the old design is flawed and should get an adapter for the new style, but there is no such thing or no such thing as a 48 watt charger now for any Surface Pro 2 or Pro 1. Hope you can help better than the Store, thanks!