At Homecoming '05 Dwayne Mosley drove me to chop chop in his Porsche.
On the way I noticed what looked like a cigar lighter with a lens.
Turned out to be a LED flashlight inserted into the cigar lighter socket.
Since a cigar lighter socket is normally hot at all times, the flashlight doesn't charge until the voltage approaches 14 volts. So it only charges when the car is running.

I used a BMW socket 61 34 8 383 215 $8.20r versus the VW socket which was $27.69

I purchased the flash lights from:

http://www.tregcentral.com/scripts/p...p?idproduct=69