Fat E Pipe

I designed a E-pipe body to fit 2 x 16500's in parralel. The top battery terminal connection is still a problem and I had to McGiuver it with a couple of bits of sheetmetal, but it works sell. if you come up with a battery terminal solution let me know please. I am considering putting a usb charger inside and soldering the terminals. there is some spare space inside.

It is a fairly large pipe but it packs massive horsepower with the twin 18500 and runns all day at 30W where I like to vape. The devisions on my black mat is 10mm per square for reference. I will work on a twin 18350/16350 soon if I can find good enough battery cells. That will make it much smaller. I also have a 24mm tank on there. A shorter 22mm dripper and shorter stem will make it smaller as well.

I used a standard 510 connection and a MOSFET as this is the prototype and I had one lying around but you should be able to fit a DAN30 in there( not sure where the screen would fit though and I didnt have one lying ar