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    3 quick general questions about my new WF-502B

    Today I picked up my second XM-L powered light - a WF-502B, and after taking it apart it seems there's room for some good TLC (thinks lik small metal shards from machining, small pieces of dirt on the glass and the dome, stiff threads etc.) Since this is only my second flashlight, I was hoping...
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    Ultrafire C1 XML P60 - xml on a budget - pic HEAVY!!!

    I don't have the answer, but you might try temporarily bridging a star to the ground ring using something like a well-placed crocodile clip (of the small size used on test leads) or some better method (maybe tape a small piece of copper wire in the right spot?), and testing the kind of output it...
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    Ultrafire C1 XML P60 - xml on a budget - pic HEAVY!!!

    :thumbsup:Thanks RepProdigious and brted. It's all so much clearer now! I don't wish to hijack this thread, but I have one last question: When a board uses multiple 7135 drivers, does it just connect all their pins in parallel? In that case, is the regulated output current from the board equal...
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    Ultrafire C1 XML P60 - xml on a budget - pic HEAVY!!!

    My P60 light does get very hot. I put an aluminium spacer to get a tight fit between the host and the dropin. After 40 minutes on high, with the bulb standing on the desk untouched, the outside of the torch reaches 60 degrees Celsius according to my infrared thermometer. The LED itself would be...
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    Light suggestions

    Did you consider looking on eBay? Go to ebay.co.uk and type (without inverted commas) "LED (14500,AA) flashlight strobe" then search, then tick the box "include description" just under the search bar, click search again, and finally scroll down and on the sidebar on the left tick the box that...
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    budget lights are more fun

    In my (very humble) opinion, the justifications for buying an expensive light are similar to those people use when they buy a mac instead of a PC. Most flashlights (and most computers) are made of essentially the same components. You have the batteries, switch, driver, emitter and host. My...
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    Ultrafire C1 XML P60 - xml on a budget - pic HEAVY!!!

    Dear RepProdigious, Could you give me some more details about the 2.8A driver? I've just bought my first flashlight (will be posting a full review soon), and it has an XM-L that draws 1.8A at the tailcap with a fully charged battery, decaying to 1.3A by the time the battery is discharged...

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