Dimable driver for P7?

maximgrachev

Newly Enlightened
Joined
Oct 29, 2010
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2
Hi there! I'm trying to build myself a high-power Led light to fit on top of a helmet. I've already go the P7 LED from DX (sku.12721), but I'm still not really sure about which DRIVER to buy.



I would like something that has a dim-option, if you can call it that. A driver that lets it work at 2.8 A but if I don't need so much brightness, I could switch it to, let's say 50%? 35%? Don't know. I've seen there are options like taking maybe 3x800mA Drivers and wiring them in parallel and using 3 simple switches to get the desired output...



Btw, I've also purchased 2xLiion 18650 batteries 2800mAh (sku.28678) and was thinking of wiring them in parallel to get more capacity (it would be nice to make the LED light for +1h)



Any suggestion about the LED DRIVER?



If you have comments about anything that I'm doing wrong, please let me know. Thanks a lot
 
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