sure.
normally I can find 2x2 4 cell holders (same form factor as the light) but all I am finding right now is 1x4 holders.
320859084255 (ebay) $13 including cells.
that is all you need. swap over the plug to this (check power coming out of the plug first though !! I am not sure if its x4 serial or x4 parallel or x2 x2 serial/parallel (measure voltage from stock pack! you can get 1 or 2 cell holders whatever you need. 3.7 is your base voltage. if its 3.7 then its x4 parallel if its 7.4v its x2 x2 if its over 14v its x4 serial. buy the appropiate holders. (just put in 18650 x cell holder into ebay)
for charging you can buy a dedicated 4 cell charger ($15 to $25) or just use the charger that came with it since your swapping the plug over.
OR for more utility get something like this.
171143629662
$8 and it will hold 4 18650 you can use a mini usb cell phone charger to charge it has a flashlight AND a powered 1amp usb port for "charging" things like your cell phone.
there is a lot of neat things you can do with 18650 cells :-)
the advantage of the 18650 cell is they are universal. like AA's ie common and standardized (not in stores typically though) in 10 years you will still be able to buy 18650 cells most likely.
these lights are very easy to install and remove and are freakishly small (I will take a picture later in my hand so you can see just how freaking tiny the little bugger is. I am also going to get one of those 10x30 spreaders someone posted from amazon (replacement lens) very cool.
does anyone know of any of these lights with a REMOTE on off? ie not built into the light itself but on a wire I can run elsewhere?
Last edited by nerys; 10-11-13 at 05:27 PM.