Have I grasped what a Vamo is?

[B1mble]

I can't see why not. The only problem might be that 18650s are capable of rather more current than 18350s. But it is supposed to limit current to 5A so it should be fine.

I find it quite large enough in single 18650 mode, adding another one. Not for me.

 

[Dennis]

Since I will have an extra extension tube I'll try it just for laughs.

 

[Dennis]

Then there's it's bigger brother: https://www.youtube.com/watch?v=Q6GuRcvngHE