XP-E R2's question

[DanielJ]

I am looking at making decorative flower arrangements and such using the XP-E R2's. I will be using 4 d cell batteries as the power source, and am having difficulty understanding the foward current question, I would ideally like the lumens to be in the 50-100 range, how many lights will I be able to have then?

 

[LEDAdd1ct]

Another member posted a link to this tool, and I found it helpful.

Maybe it will help you, too.

Link