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I have a 2W 445nm build I'm working on and I guess I accidentally hooked up the wrong poles when soldering the leads to the battery contact. I know the laser was working before because I touched the 2 leads to the battery and it worked. Im not 100% sure what driver I'm using but i bought the...

I had wanted to test the laser before I had soldered it to the batter contact to put in my host. So I had wires going from the negative side of the battery to go to the black lead coming from the driver and had the positive side to the red lead and it had worked perfectly fine and had found no...

My battery contact had a little accident and no longer works. I measured the battery contact to be 19.50 mm in diameter. The battery I use is 2 18650. The host is Cree c8. So where do I find a battery contact this size?

Been doing some research on the net and I believe I have found everything. But before I go and buy these parts, I would like to know if all these parts are compatible. So here are the links HighTechDealZ - 445nm 1W (1000mW) Blue Brand New Laser Diode Amazon.com: AixiZ 445nm laser module...

About me: Live on the east coast and have a love for Lasers I came here for help on a new laser project.

Building my first high powered laser(1w) and I would like to know if there is like an online distributor or something of such or do I just buy a flashlight to use as a host? And what about the heatsink, since much heat would be generated, how would I find a heatsink to fit in a host?