Recent content by Therrin

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  1. Therrin

    I don't trust Orbtronic anymore, what else should I use?

    I've been buying Orbtronic 18650's for around 5 years now. Used to be extremely satisfied with them, but lately it seems like their quality has dropped significantly. On top of that, their website is outright lying to people. I recently bought 4 new 18650's that claim "Panasonic inside"...
  2. Therrin

    New Solarforce turbohead - 1500 lumen K3, Cree MTG2

    Just got one of the MT-G2 heads, using it with 3xSF18650 ("2600mah"). Can't hear any noise at the med or low levels, but all our grass is covered with 2ft of snow, and I don't have an acoustic ceiling in my apartment. I don't notice flickering on anything else, but I can't really tell...
  3. Therrin

    Confused over how many 18650's are needed for solar force 5 mode 980 XM-L2 U2

    Most of the cell protections have over-voltage, under-voltage, over-draw, reverse polarity, and short circuit protection built in. But they also vary a bit from circuit to circuit, and you can get cells both Protected or regular non-protected. I've only used 4 or 5 chargers, I have no idea...
  4. Therrin

    Lithium Ion below freezing temperature performance

    I'm not on your folk's level here; but how would you design soldered junctions to not be (as) affected by drastic temperature changes? My light went from a warm hotel room to ~ -25*F in a matter of minutes, and I hadn't even considered what that could do to my electrical components. Those...
  5. Therrin

    Lighthound Torchlight JM07 "SST-50" is... a Cree...?

    You're right, people never play with old, obsolete technologies. Who would do that, knowingly??? :) Also I don't think I CAN change the thread title, but even though I know the reason NOW, it wasn't any less confusing when I originally looked at it. Anyone who gleans their informational...
  6. Therrin

    Lighthound Torchlight JM07 "SST-50" is... a Cree...?

    You seem to have missed the part where I said: Being that they are STILL selling SST-50 lights, for as much as $180 and $240 in current prices. So, they are selling the Torch Light models for $30 and $40, and other manufacturer's models for right around $200. And if the computer thing were...
  7. Therrin

    Confused over how many 18650's are needed for solar force 5 mode 980 XM-L2 U2

    When it all comes down to it, my opinion really doesn't matter, I have my own uses for the stuff. I know some folks on here who still prefer only using NiMh. It really depends what your uses/needs are, and what YOU think, and what you're interested in playing around with. I'm glad people...
  8. Therrin

    Confused over how many 18650's are needed for solar force 5 mode 980 XM-L2 U2

    Hey awesome! Thanks for that link, I hadn't seen those yet. I stand corrected! :) I'm pretty sure that your question wasn't overlooked. At least one person linked you to some useful information. It is helpful for you to do your own research on this stuff, so that you can make qualified...
  9. Therrin

    Confused over how many 18650's are needed for solar force 5 mode 980 XM-L2 U2

    Oh and btw, according to Solarforce's website, they have 3 types of XML dropins. You seem like you're confusing two of them. They have "LC-XML - up to 500lm" "LC-XML U2 - up to 550lm" "LC-XML2 - up to 670lm" Those are their claims for lumen output, no idea what they truly are. But there...
  10. Therrin

    Confused over how many 18650's are needed for solar force 5 mode 980 XM-L2 U2

    I picked up a SolarForce L2p 3 years ago and have been EXTREMELY satisfied with it. Recently I purchased another L2p for my g/f, with their new XML dropin. When the dropin says it's rated from 0.8 - 4.2V, that means it'll handle ONE "18650" style LiIon battery, which has a max voltage of...
  11. Therrin

    Lighthound Torchlight JM07 "SST-50" is... a Cree...?

    Now, what's even stranger, is that when I purchased that light it was listed as on sale from $179.99 to $69.99. As of today it's on sale for "$30", and it's brother with the turbo head is on sale for "$40" from $199.99. Meanwhile, the only other two SST-50's listed on Lighthound are (retail...
  12. Therrin

    Dual P60 Headlamp Designing

    Oh that makes me feel a LOT better :P In the next month I'm driving from Northern IL to TX, to CA, and back to IL. Maybe I'll drop by and see one of my old machinist buddies in CA while I'm out there.
  13. Therrin

    Lithium Ion below freezing temperature performance

    This thing looks like crap inside. I got tired of waiting for the RadioShack to open to get some desoldering braid, so I tooled at it with some scrunched-flat stranded 28awg; then I got impatient and grabbed my Dremel box and browsed through a plethora of bits till I found one that looked good...
  14. Therrin

    Lighthound Torchlight JM07 "SST-50" is... a Cree...?

    Oh.... Ok. That's good to know then. Feeling like a total n00b now.:o Not having known that, I found it a bit confusing. Just saw csshih's "Commonly used LED emitter index" and that actually calmed me down a bit. Unless you're overly familiar with them it's difficult to tell just...
  15. Therrin

    Lithium Ion below freezing temperature performance

    Thanks, I'll make sure she does it that way for sure next time! I hadn't considered condensation inside the light, perhaps that was it. I'll try to figure out what fried when I get it apart and post back.
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