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well its no more then 4.5v there's no way. It's got to be reverse polarity. Didn't know these things were so sensitive, you'd think they would have protection from something like that? I thought laser diodes are just like led. Light only goes when hooked up one way. :p

Hmm. You think it'll be fine if I use the 18650 on the other modules but make sure the polarity is correct..? I don't want another one to go bad lawl.

I was saying my series AAA batteries are 4.5v and 18650 is around 3.7 volts. But mine just hopped right off the charger which at full capacity is at 4.2 volts. Did reverse polarity break the driver or the laser?

I don't see how 4.5 volts (3x1.5v) was fine but 4.2 volts killed it. :/ I'm afraid to try the 18650 on the other two 532s I have.

I could have put it backwards but I tried every way.

They were in series. At 1.5v each an 18650 is near that same voltage. The laser will just not light up. With either of the batteries. I don't see what I did unless 4.2 ish volts from the 18650 was too much..

So I have this cool 532nm laser out of a laser diffraction decoration light or party thing.. And well I wired it with 3 AAA batteries, turned on and looked to be about 30mw ish in power. I then tried ripping an 18650 out of a power bank. When I tried wiring it up to that it never lit up.. Tried...

That jet laser place is expensive. 532Nm at 100mw for nearly 200 bucks seems a little steep. That's like 2-3 times more expensive than olike or sci-fi. Checking the forums is a good idea! I looked through it but couldn't find any 532's I'll look harder in a bit. Jet lasers has a bunch of...

I am looking for a 532 100+mw laser too, and those o-like ones have great prices, but I really don't like any of the hosts. I would like to pick up one of their 400mw's but I don't know about the site as of 2015. I know they were good a few years ago. Sci-fi lasers is good, as I have read many...

Lol Hi Joeybab! This is theevgagtx from YouTube, Eitan has yet to update me on the sf501 532 nm. Fancy seeing you on here though!

Re: For sale : NEW 1W-2W C6 blue lasers from $100 I want 1W one, ill buy just give me price

Re: For sale : NEW 1W-2W C6 blue lasers from $100 Whats your cheapest blue laser? I really want a quality built one, and you have lots of great talks of your lasers

Re: For sale : NEW 1W-2W C6 blue lasers from $100 What could i get for 60-80 dollars on one of your blue lasers?

Ok thank you, all I would need to buy is diode housing right? Yes laser is working perfectly.

Hey guys, I got a green laser from lazerer.com (100mw) I want to use a bluray laser diode and replace the green one with it. Is this possible? Help me get started, ill supply pictures if needed.