Originally Posted by
2old
A frame mounted pack is the only feasible solution that I can perceive (insulate it well). "Age old" problem until batteries get smaller. Luna Cycle has a small brick that supplies 52V, 7 a/h and C58 has a diminutive em3ev that he had built, but BionX batteries are necessary for their systems.
Thanks. I just hit upon an idea, though: A hard shell back pack. That might work.