I put my laser together correctly (used a complete module), but it won't fire up. I noticed that when I have all 3 of my charged 10440's in the stock MXDL holder, my multimeter either reads zero, or someones the voltage of only ONE battery. I checked each batteries voltages, and they are within specs. However when I test the holder with the batteries in - NADA.
Any input?
Any input?