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The 405nm diodes aren't as visible as the 445 to the human eye, though, so it won't seem as bright...tough decision...maybe I should just get a job and do all of the above :) Hahaha.

What's that? The AMC7135?

That's my concern. I want one that will work with just 1.

Yeah, but then it might not be class IV anymore. I just want a super small class IV. Some of the charts I've seen suggested that a 12X BR has (or can have) better efficiency than a 445. 'Cause like I saw you did a 445 on the micro key chain style at 260mA or so and were only getting 78mW. Or...

$9 is reasonable. I really like this and I want to find some way to do a class IV laser with one of these.

I read about someone saying they actually were using the first one with an A130 or A140 diode, and they didn't mention any problems.

How has this new design affected the price? (I don't remember what it was before...)

Are these hosts painted on the inside, or bare for contact?

I *might be* savvy enough, but it wouldn't be easy for anyone to do, I imagine. But that's why I want custom 10880 batteries.

I don't like DX, they've pissed me off too much, so I'm using BestOfferBuy, which has had great customer service for me so far. Anywho... What's to stop someone from using a circuit like one of these: 18V 5W Cree Circuit Board for Flashlights (16.8mm*5.5mm) [E17071] : BestOfferBuy.com, Buy...

I could go either way, 9mm or 5.6mm, but it seems 5.6 are a little easier to find.

Oh, OK. I wish there was some thing like the BoostDrive, but less expensive and doesn't go up to 13V output...anyone know of such?

OK. So do you know where I could get a good collimating lens for an 808nm LD?

So there's an unofficial mod for the BoostDrive to do more than 1A? Why not use the FlexDrive? (Sorry if this seems a noob-ish question, I haven't spent much time on the forums in several months.)

I know someone who would like an 808nm IR laser. My dad told me that IR light doesn't focus the same through glass as visible light does. If that's true, where could I get a collimating lens for 808nm light? If he's wrong (more or less), then will a standard Aixiz Acrylic lens do the trick?

Sorry if this was answered already, but basically: A130 diodes are usually a little better than the A140 diodes, and although they handle 1000mA, it's unrealistic to expect anything more than a couple hours of diode life at those currents? For running 500-650mA, would it make a big difference...

I usually see AAA (Lithium) cells at 600mAh. But if I could get a 2xAAA single cell battery, though, that would be a minimum of 1200mAh (assuming it's made with any sort of decency), which would get me more than an hour at 850mA on the diode, using a FlexDrive (or the boost-only driver), which...

Yeah, but for how long would two e^2 batteries last? Not long, methinks. If I knew some way to get custom Lithium batteries for cheap-ish via a GB, I think there could be reasonable demand for 2xAAA sized single lithium cells, thanks to these pen hosts. It would enable the usage of FlexDrives...

I know it's not exactly a good idea, but I really want to do a high-powered 445 build with one of these, just so I can say I did. It would work alright if I could get a single lithium cell the length of two AAAs, but they do not exist (sadly).

Awesome sauce.