choose the flashlight Circuit Board for my new 3w ir led?

gandelman

Newly Enlightened
Joined
Feb 7, 2010
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hi i bought 2 units of:
3w ir 850nm led in kaidomain SKU: S003247
i know it work with 1.5v 700mh.

i need to fit them 17mm diameter Circuit Board. i prefer one mode or 3 mode max.

one unit i will fit to dbs flashlight
(i have extension tube...so or 3.7v or 7.4v input)

the second unit will fit to a 2*aa maglight (1.5v with dummy or 3v or 3.7v or 7.4v with 14500 battery)

i looked at dx and kd but i don't wnow what to buy.

please
help needed
 
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