Any ideas as to how much voltage the 303 diode might handle? Im currently running mine on 6 volts, via 2x energizer lithium 3volt. Very bright, but seems okay, put a few sets through to date
Why are you posting essentially the same question you posted here: http://laserpointerforums.com/f36/laser303-94090.html
There is no such thing as a 303 diode--- 303 is the metal host/housing-LAser 303s come in a variety of wavelenghts--see here and read the spec as to correct battery for whch ever one you have Laser 303 Best Deals + Free Shipping | GearBest.com