Woodbridge Pete wrote:You may need to use a bit more than a multimeter to measure the power. A lot of the circuitry for LEDs uses current pulses to the LED, so the average DC current you measure may appear a lot less. An oscilloscope may be better to view the power.
I hadn't thought of that - though in my case I'm pretty sure I measured it between battery and whatever regulator is in the end of the handle. Speaking of which, I'm repeatedly tempted to get my dremmel out and see what electronics is actually in there.