Recent content by ttwhin

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    5*Cree R2 1200-Lumen White Light Drop-in LED Module max voltage??

    I think you should do fine with 6 NiCd or NiMh. Its nominal voltage is 7.2V However if you want to try with higher voltage-setup you can find some information here (its same driver in module) http://www.candlepowerforums.com/vb/showthread.php?t=272061 No
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    Explain voltage to me

    Dont forget that V x Ah = Watt-hour (Wh) If i remember right from of top of my head
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    2D luxeon mag with SST-90 Build (Many Beam Shots Added)

    Thanks for sharing beam-shot pictures! nice big spot in the SST-90
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    Pre "C" Maglite

    @ landcruiser80 just recalculate battery capasity to W/h in example 14,8 volt battery setup with 4000mAh cell`s VxIh =Ph 14,8x4 = 59,2 Wh (watt-hour) So with an 60 watt bulb (in one hour it have deliver 60 W/h) it should be capacity for an approx hour. Runtime is 59,2/60 = 0,98 hour
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    "Fat Star" Octa 8x SST-90 Colossus Led Flashlight @ 18.000 lumens -more beamshots-

    Re: "Fat Star" Octa 8x SST-90 Colossus Led Flashlight @ 18.000 lumens -Beamshots- For a couple of days, to make brain clear! Anyhow + for have the guts to test some limits ! :thumbsup: :twothumbs Crazy bright this flashlight! First question is that popping up, How long time is it possible...
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    SKU 26106 5xCree 15W driver schematics + 12V mod

    I think i read somewhere that the driver is the same that sit in this http://www.dealextreme.com/details.dx/sku.35242 If this info help.. I did a test on the 5* R2 Module from DX on full with with freshly charged 3, 4 and 5AccuEvolution D Cell 10000 NiMH Measured at tailcap 3 in series 4,35...
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    Another possible Mag mod

    Have a look at this http://www.kaidomain.com/ProductDetails.aspx?ProductId=2723 Worthy to try at that prize. You can use 5 AA alkalines or Ni-Mh in 2 holders for your 2 D Mag (if you go for that one). Just solder a wire in the one empty AA space. And pherhaps do some resistance improvement. I...
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    Easy to remember triangle. Electricity, power

    Of course they have :) I`m not trying to beat that, its a repeating for those who don't remember and for beginners. Perhaps i should stated that in first post. Its not a competition here you know :poke: Ok, i edit Btw now i seen the third symbol for electrical force: E, before it was used U...
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    Another possible Mag mod

    Ok, hope it helped! btw you inspired me to write this now ! :laughing: http://www.candlepowerforums.com/vb/showthread.php?t=287194
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    Easy to remember triangle. Electricity, power

    Maybe one can find this posted before, didn't check :) For those who don't remember and for beginners. If one want to try to calculate some around electricity here are some easy to remember formula in triangle from Ohms law For calculate the one unknown, from two known. V= Electrical force...
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    Another possible Mag mod

    I belive so. Maybe other should answer that have more experience with testing, but i have seen here at CPF they draw up to 10 A from Ni-Mh batteries. No, at the last statement. Battery can have as high mAh rating as it want :) mAh is a therm of mili-ampere-hour (capasity), in this case this...
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    Another possible Mag mod

    It take only what it need, if source (battery) can deliver. If source can not deliver enough current (A), it get less. 'If source can not hold voltage at a level and drop, driver will try to compensate and try to pull more current (Amp) to deliver the xx watt of power (light). It have total...
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    Another possible Mag mod

    Better not mix different battery sizes. You don't need to hit upper voltage specification for the driver in drop-in, it have regulated output. With the Mag 3D you can use 3 alkaline D size, but i think it will not give you full power. Drop-in pull 4,4 A at 4,5V which alkaline can not deliver i...
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    Safe 18650/RCR123-A Charger... The search continues

    This are quality chargers, for single cell and serial connection cell charged inside unit: http://www.mascot.no/?CatID=1194 However i don't know about price tag. And one need battery tray to charge the cell`s outside unit (flashlight)
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    Flashlight for indoor emergency use, high light level.

    This is what i would recommend bright and floody MC E http://www.dealextreme.com/details.dx/sku.39736 18650 thought. This can use both 14500 and AA http://www.dealextreme.com/details.dx/sku.29095
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