http://dx.com/p/17mm-1050ma-single-mode ... -5v-127687
heres a pic that dave (some bloke) did for me to show where the + and - goes to on the above driver

as above but for twin 18650's
http://kaidomain.com/product/details.S010093
single 18650 with 3 mode memory
http://www.fasttech.com/products/1612/1 ... t-driver-c
my current favorite 12v driver....very easy to add a dimmer too
http://www.ledsupply.com/03023-d-e-1000.php
12v driver for non torch based projects
http://uk.farnell.com/xp-power/ldu2430s ... tt=1961529
a smaller cheaper version of the above, fits in a 25mm tube
http://uk.farnell.com/xp-power/ldu1416s ... dp/2082737