Recent content by balazer

fenix-store
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    Test/review of Charger ISDT C4

    When the ISDT C4 completes a discharge operation, does the display continue to show the cumulative mAh of the operation so I can see it later if I don't happen to be right there when it finishes? When it completes an analysis, does it show the mAh of the discharge, or of the final charge? I...
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    Ultrafire WF-602C SSC U Bin AAA/10440

    Overall I'm quite pleased with this light. It works out of the box exactly as it should, with none of the problems that earlier UltraFire WF-602c lights suffered from. (flawed switch action, low start-up voltage problem) The price is right, and I see little reason for the average person to buy...
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    Fighter Tiny Stainless Steel Cree - flawed jewel

    This light has a couple of serious flaws. I wouldn't recommend it at all. The electronics are squeezed in the head between the reflector and a locking screw. There's a PCB in the head beneath the locking screw facing the battery tube. A ring trace on the PCB makes contact with the inner flat...
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    Ultrafire WF-602C SSC U Bin AAA/10440

    I got my WF-602c w/ SSC, and I'm very pleased with it. Beam is very bright and white, and fairly uniform. The beam has a nice balance of spot and side-spill. The light worked out of the box with Rayovac Hybrid cells. Ultrafire has fixed the problems with switch action that I observed with...
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    Cree Q5 bins...already? Can anyone be sure?

    Re: Q5 from DX is visibly dimmer than Q2 Then it's probably even brighter without the Q5.
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    Cree Q5 bins...already? Can anyone be sure?

    Re: Q5 from DX is visibly dimmer than Q2 A battery will measure 4.1-4.2 V when fully charged, but it spends much more of the discharge cycle at 3.7-3.6 V, or less under load. If I remember correctly, the EastwardYJ U2-style light has a boost circuit. Removing the circuit might make the light...
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    Cree Q5 bins...already? Can anyone be sure?

    You really can't make that conclusion unless you have a way to factor out potential differences in LED Vf. Hook the LEDs up to a current regulated power supply, and then compare.
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    Bicycle mount for any flashlight?

    DealExtreme has a new style of bicycle light mount: http://www.dealextreme.com/details.dx/sku.8274 I'll let you know how it is when I receive mine.
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    Fighter Tiny Stainless Steel Cree - flawed jewel

    http://www.dealextreme.com/details.dx/sku.8219
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    Fighter Tiny Stainless Steel Cree - flawed jewel

    Thanks for the info, wakibaki. How exactly could you get the light to switch modes? Did you try an off-on-off-on sequence?
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    DX U2-Clone battery draw

    Put a low-value resistor (0.01 ohms) in series with the battery and measure the voltage across it. Again, I don't know if the circuit in your light is sensitive to the voltage drop that a typical ammeter will introduce.
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    DX U2-Clone battery draw

    Measuring current by putting an ammeter in series won't always give an accurate reading, because of the resistance added by the meter. In a direct drive light, that small amount of resistance will make a big difference in the current draw, due to the LED's steep I/V curve. It might not make...
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    Ultrafire WF-602C SSC U Bin AAA/10440

    Remove the battery tube. Stick a battery button-end first down into the head so that the button touches the positive contact. Bend a paperclip so that one end touches the negative contact in the head (where the end of the battery tube makes contact when turned on), and the other end touches...
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    Ultrafire WF-602C SSC U Bin AAA/10440

    If it's the same as the old Luxeon WF-602c, the spring slides out of the battery tube easily using a pair of needle-nose pliers.
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    Ultrafire WF-602C SSC U Bin AAA/10440

    I don't know why you'd conclude that. It could just as easily be a contact problem.
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