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These are some AWESOME instructions, thank you for posting this :) You seem to have your documentation up to very nice professional level. Am I free to spread those links around when somebody else asks for pill installation/soldering instructions?

Like Pi R already said, you don't want to get LiFePO batteries, that's lithium polymer (IIRC), and while they can provide much larger discharge, they have far smaller capacities. You need to search for "16340" batteries, those are exactly the same size, but Lithium Ion chemistry. This is what...

Oh boy. You're buying from here, yes? https://sites.google.com/site/dtrlpf/home/diodes/pl520-520nm-laser-diode DO NOT buy the first option which is bare diode. Buy: 520nm Osram PL520 Diode In Copper Module W/Leads & Acrylic Lens $46 Then you will get the diode in the module already...

Alright, so how do you propose we go about not ignoring it? Because short of "getting worked up, maybe make an angry thread", I do not actually see a whole lot of options. Maybe we should re-write some safety-related stickies with up to date information, link them around the side and in...

Irrelevant. The solution to your problem is: Yes, the pill you linked, which contains the 220mA driver, is good, get that. When you get your laser module (with diode inside and all), just remove the back metal part, it doesn't do anything anyway, just gets in the way. So just use the part...

I'm not sure, honestly. I think the S4 is based off the C6, in that it has the same battery barrel, just different head style, if that's the case the pill is the same as C6. BUT, I'm not sure, we'd need additional confirmation on this. Also, C6 isn't the most cramped up host I've worked with...

That's all true, and that experience definitely rings a bell. It's about there that I programmed myself with a knee-jerk response. "Can I see that laser?" - "No.". No questions asked. No. Still, I believe that immediately assuming "Oh no tons of people are going to see a laser in a popular...

I don't think we should immediately try to isolate any information regarding existence of powerful lasers from high-school age. I don't think this is as big of a problem as everybody makes it out to be. Same can be said for any other commonly obtainable but dangerous items, which you only need...

That's not only longer runtime, that's much more awesome looking laser if you ask me.

Just a sec, I've looked up the PL520 testing thread, and it appears 200mA is the best current to drive the diode at, anything over that is a bit overdriving it, so if you have a choice when ordering, go for 200mA version of the driver instead. If you're ordering a kit from Survival...

Well maybe repeatedly telling them to "go search" isn't the solution to the problem, then? I personally prefer the "answer the question" approach. And for the record, I don't believe stickies are very well organized and have accessible information in them. They deal mostly with forum...

So you don't yet have the components? Well, at least that's better than "I ordered everything and don't know how to use nothing" - which is what we get regularly at the forum. Anyhow, yeah - if the driver is already preset to 220mA, you should not have any trouble using it. Simply connect the...

Well, that's a very weird thing to "hear". Look, before you get to messing around with drivers and diodes which aren't really free, I recommend you go over some basic electronics tutorials and videos. Serial and parallel connections, voltage and current, resistors, capacitors and...

I ain't gettin' it, why are you all so worked up about this? Video is clearly made for comedic purposes (albeit with horrible sense of humor if you ask me, as if catering to younger audience), and he really only pointed it directly at the camera while mentioning he's probably going to ruin the...

I don't understand the question. You have your driver setup. And you are asking if you can "directly" connect the diode? What does that mean? I am not aware of "indirect" connection methods. If you meant, "Can I drive a diode with less current (200mA) than the diode's maximum (300mA)?" then...

Eklind Tool Company Doubt it.

This sounds EXACTLY like a battery issue. Can you first grab a new 18650 cell and try using the laser with it? Either that, or grab a new laser. There really isn't much to the discussion, IMO.

I never had 301 or 303 lasers, but a number of greenies and even non-DPSS lasers displayed the same thing when ran at empty, or faulty battery: Light up, then dim down to nothing within a second or so. After a while it'd just be a very quick flash and then nothing, if the battery is really dead...

I can't believe nobody mentioned this, But it actually sounds like a battery issue to me. When was the last time you recharged that 18650? Do you have a multimeter, what's the voltage level when it's fully charged? If you plan on having a 18650 powered laser anyway, I would recommend first...

Looks like you are all set. Since it's a Weller brand soldering iron, it's bound to be great quality, but you should observe some proper practices to preserve both the iron and it's tip in good shape and prevent the latter from corroding. Namely, never leave the tip without a coat of solder...