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If you're still looking, I have a SF501B 445nm 2.3w laser that I'm looking to sell. Got it November-December last year and barely used it. Has an 18650 driver so it uses a single 18650. Willing to let go of it for $90

Astronomy, science experiments, looking at a laser beam. Yeah, that's about it. Cleaning? Maybe?

Take an anti-inflammatory and maybe see a doctor, just in case.

You'd probably need one of those industrial lasers used at big factories but yeah, it's possible. Probably would need around 50 watts of power (I think?).

You're covered, eBay sides with buyer. If you get scammed and there's no laser, you'll get your money back. It's pretty secure, don't know why people bother attempting to scam.

I don't trust any brand with the word "fire" in it these days. LG HG2's are the one of the, if not best batteries there is.

Laser shows? lol

Sci-Fi lasers has what you're looking for but it's gonna be pricey.

You should DEFINITELY wear safety glasses while using anything above 5mw (IMO) I recommend UVEX or Eagle.

Have never had any issues with owning mine. Just use your head. If you're not being stupid with it, the authorities will not be bothering you. Unsure about sale.

All I know is that Eitan knows what he's doing and diodes have gotten better. As long as you're in the Duty cycle I think you should be fine.

Lasers like the one claimed are more than illegal lol. I've seen a lot of ads that say "GET YOUR OWN BURNING LASER NOW" If people knew just a little about lasers, "companies" like that wouldn't succeed.

Events like that are always a result of Chinese bootleg companies-Ultrafire, etc. Stick with the major brands like LG, Sony, AW, etc and you're not gonna blow up. As an e-cig user, I hate how bad these stories look since its the user's fault for using an unregulated device and cheap batteries.

I personally don't trust UltraFires since they don't have a direct site where you can reliably get real ones. I stick to my two 3000 mah LG HG2.

Just finished reading, preparing to sell my own laser. Thank you.

Hey Eitan, check your email inbox.

I live in Southern California and it'll be used in the desert.

I already have a Nitecore i2 charger and I've bought safety glasses. Won't even think about using it inside considering one of the reviews said it burnt/stung skin from 25 feet away. I'm a patient person but I can't wait to get it.

He said flat top is fine so I guess I'm all set. Will check in with him to make sure.

Would these be effective at doing their job while being IMR and High Discharge?