Originally Posted by nazcalines

I just tried this with a v1 Edelux. I was expecting the light to work regardless of polarity, but it only works one way (with the power to the bare wire and gnd to the insulated). Seems to be easily bright enough to use at 5V and gets barely brighter going up to 6V. I measured 100mA at 5V and 200mA at 6V. I'm going to try using it with a 4 pack of AA nimh cells.