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    Jetbeam C-LE v2 driver died

    My year and half old C-LE's driver took a dump a week ago. I tried to turn it on and got nothing. Figured maybe it got turned on in my pocket and drained the battery. Popped in a fresh battery and still nothing. I played with it for a while and it finally came on but the UI is all screwed...
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    my Nuwai LuxV has a new eye

    That makes more sense. I couldn't see the K2 taking that much voltage for very long. Does an 18650 fit without boring out the barrel? I would have figured the 352 to have a boost circuit in it (I've taken mine apart but haven't checked out the driver). Is this not the case?
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    my Nuwai LuxV has a new eye

    Do you think the K2 will last long in place of the LuxV? My understanding is that the LuxV has a Vf of 6v+ where the K2 is around 3.75v. I would have expected it to go :poof: on first use.
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    Looking for boost circuit for 3v cr123a

    Thanks gents! More options than I thought would be available. Not sure how I missed all these when I was searching. :ironic:
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    Looking for boost circuit for 3v cr123a

    I'm looking to upgrade a light that currently runs a Cree P4 in direct drive using a single cr123a. It's incredibly bright using a rcr123a at 1.2amps but only draws 100ma when using primary 3v cells. I'd like a boost circuit that boosts the 3v primary to 3.6-4.0v and anywhere from 500 to 900...
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    What can I do with this thing?

    I'm no expert but I just looked at both a genuine Luxeon 3 and 5 (from two of my Nuwai lights) and on both the word "Lumileds" is printed on the star, not done in solder on the star. This one is probably a knock-off.
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    What can I do with this thing?

    From DealExtreme's description it looks like a genuine 5 watt Luxeon which should be pretty darn bright. It also appears to be direct drive. I would guess it might have a bad ground or a bad switch. Try leaving the tailcap off and grounding the bottom of the battery holder to the body of the...
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    Ultrafire 602D 3W Cree mini clickie flashlight

    Just bought one that was working intermittently; it was dimming out and flickering. It is not regulated, has a regulator board inside the head but no components on it. Since it was only $16 and I'd probably spend half that sending it back I decided to try and fix it myself. Seemed like...

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