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  1. B

    2W 420nm from ebay

    Thank you so much for taking the time to answer me. And indeed, I noticed those gaps when I wore my glasses, gotta be careful with those.. PS: Happy new year RedCowboy (=
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    2W 420nm from ebay

    bump...
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    2W 420nm from ebay

    I got inspired by this post on reddit and directly bought the laser off ebay for about 130$: Laser model name: 420T-2000 It arrived today. Holy smokes this thing is powerful! And the beam is really visible, I love it! The color is a very beautiful violet, something between violet and blue...
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    My safety tailcap connector broke

    Hello my dudes So I got an update: brucemir actually sent me a tailcap of his own and I just received it by post and it's working perfectly. So this thread can now be closed :-) Thank you for all your help, it's greatly appreciated! <3
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    My safety tailcap connector broke

    Hey! Sorry I only see your message now. So here is a pic of the inside. *edit: Wow no way... the other wire just broke as well right now as I was fiddling it a tiny bit in my hands. Now both ends are torn apart... This thing seems to be VERY delicate. The wire is sooooo thin.
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    My safety tailcap connector broke

    You are right... But I don't have any brazing and soldering tools at home... So... Where can I buy a new one?
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    My safety tailcap connector broke

    Hello guys So my safety tail connector of my laserpointer broke. I'm talking about this thing: The model is: PL-532F-300B It's basically a 532nm 300mw laserpointer that I bought from laserbtb in 2016. Can anyone tell me where I can find this thing in the pic? Without it, my laser is...
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    My laser doesnt burn anymore all of a sudden

    that did not work. I tried 5 times, still not able to burn. what the hell... :S What I also noticed is that if I defocus all the way (for burning) I can see a rectangle instead of a round point. already at 30 cm. maybe that's the problem?
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    My laser doesnt burn anymore all of a sudden

    Do you mean to screw the tip all the way back and forth again?
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    My laser doesnt burn anymore all of a sudden

    Title says it all. Bought a laserbtb (FDA) 300mw 532 nm. 2 days ago it lit a match in 1 second. Now it can't light one in 60 seconds. I am really desperate! What's going on? Batteries are fully loaded and laser is focussed out all the way like it is done to burn things......
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    532nm operating temperature

    Check that the connector in tailcap is inserted fully. --> About that: I can't insert it fully into my laser. Is this the case cause I am not using a flat top battery (as suggested) but rather one with a bump? What are the consequences of a non fully inserted tailcap?
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    Which batteries for my laser?

    never mind, its burning perfectly! I didnt know that you need to turn out the front part so the dot gets smaller. Can I buy a lens and integrate it for better burning? or is that lens already doing the job? :)
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    Which batteries for my laser?

    Thanks man! Still doesnt answer why I cant burn anything? I feel like I got a 50mw poiinter instead of a 300mw.
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    532nm operating temperature

    Hey guys! Just got a Laserbtb PL 532 300mW today and I dont know which battery I should buy. I tried out my laser with this battery: Nitecore 18650 3.7V 2A 9.6Wh 2600mAh Protected Li-ion Rechargeable Battery-Black+Yellow(NL186) Amazon.com: Nitecore 18650 3.7V 2A 9.6Wh 2600mAh Protected...
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    Laserbtb 532nm 300mW (FDA)

    Would those work? Panasonic NCR18650B_1 18650 Li-Ion Akku: Amazon.de: Elektronik 18650 battery unprotected | eBay 2 Sony VTC4 30A 3 7V 2100 mAh High Drain 18650 Unprotected Batteries | eBay 2pcs Panasonic NCR18650PF 3 6V 2900mAh 10A Rechargeable Battery Unprotected | eBay 2 New Efest...
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    Laserbtb 532nm 300mW (FDA)

    Hey everyone :D Just got a Laserbtb PL 532 300mW today and I dont know which battery I should buy. I tried out my laser with this battery: Nitecore 18650 3.7V 2A 9.6Wh 2600mAh Protected Li-ion Rechargeable Battery-Black+Yellow(NL186)...
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    Which batteries for my laser?

    Hey everyone. Just got a Laserbtb PL 532 300mW today and I dont know which battery I should buy. I tried out my laser with this battery: Nitecore 18650 3.7V 2A 9.6Wh 2600mAh Protected Li-ion Rechargeable Battery-Black+Yellow(NL186) Amazon.com: Nitecore 18650 3.7V 2A 9.6Wh 2600mAh Protected...
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    532nm operating temperature

    Thanks for all the answers!
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    Laserbtb 532nm 300mW (FDA)

    All right, I will buy an IR filter. The loss is not significant.
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    Laserbtb 532nm 300mW (FDA)

    This makes me reconsider my whole purchase... dont know if i want to buy this IR filter or not. How much output reduction are we talking here?


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