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LED drivers to match lights? Answered

Hi All
I have looked at a bunch of DIY LED bike/headlamp instr. and would like to give them a try, with my own spin. I just need a litle guidence an some bulbs to match drivers, I don't want to use the BuckPack systems. I will be powering these with a 14.8v or 18.5v li-ion battery system
Here is the bulb I think I would like to use.

Now there are different idea's for drivers, with this on can I run 3 of the bulbs on one driver or should I build three drivers?

Same for these two drivers.


This is the driver mode for the last one.

Thanks for all your help and the time you all put into this great site!!!


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