Review of Flashlight Bulb LED Upgrade - 250+ lumens - CREE R2 Single Mode

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Purchased this emitter for Surefire's G3 torch, and the result was an immediate improvement: brighter light, less heat, much much longer battery life, and no need for bulb replacement. Overall, this purchase actually saved money due to the aforementioned reasons, and will be a necessary upgrade to my entire Surefire collection of high output torches ( for more detail, see my review of the companion 450+ CREE emitter ).

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Fits in 6P but it has a deeper reflector so only 1 3/4 turns of the head before it is seated vs 4 1/2 turns on the P60. I need it for 50-100 feet of open and a reasonable amount of penetration into the woods (20-30 yards or so). Similiar to what you need for a camping situation. This light is hotter at the center but doesn't flood nearly as well inside 100' which is where I use mine. If you're trying to bore out 75-100 yards it's perhaps a little better (but you need to be on target) with the more focused beam. Haven't used it enough to comment battery life but that should be decent. Others seemed to think this a notable improvement over the lesser lumen old style bulbs but I'm not sold on that. What I do like is that this bulb should have a longer life and that's a consideration if your life depends on it. Overall decent but I liked my old P60 better for my purposes. Others are seeing something I'm not.

Edit/Correction: I failed to remove the outer spring before putting this item in the 6P. Once removed the head or bezel screws on with the same number of turns as the original P60. So that is not an issue.

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The original bulbs that came with the C2 Centurion were horrible in their life span, they were bright, but burned out quickly and drained the batteries much too quickly. I bought 3 C2's, one for myself, my driver and my gunner. We were constantly trying to get our hands on batteries and bulbs. The first night I had these LED bulbs, I left one on ALL night with fresh batteries, not only was it still on and bright about 8 hours later, the light was still on another 8 hours later, though dimmer, but still about as bright as an every day flashlight 16 hours into it. Not only that, it didn't heat up a fraction of the old bulbs, and the LED was just fine with a fresh set of batteries. What I wouldn't have given to have had these in Iraq when I really needed them.

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converted my incandescent bulb to a led with more than triple my original lumens. easy to replace works great should last way longer than bulb it came with.

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I have the 250 lumens and the 450 buld now. They are very bright and have a longer battery life. I have a sure fire g1 and a streamlight that I am useing them with. The only bad thing is I have a sure fire that uses a P60 bulb that will not take the led upgrade light. I wanted the bulb for that light but i put the in other lights.