Flashlight Project: need some help please.

[kwando]

those windups are a joke... stock! thats cool that you are attempting to mod it.

go with a cree lamp, they are great!

check http://www.candlepowerforums.com/vb/

[jason303]

You should really just stick to measuring voltage at the battery. It's simpler and uninvasive to the circuit. Even those with much more electrical knowledge than you have would go this route because it's simpler. Good luck