8 points
Most ppl do not bother to calculate that in(especially idle consumption) or living in an area where it basically does not matter.
But yes, no x86-64 device comes close.
7 points
I was thinking more along the lines of battery powered operations. I can stick a Pi, a car battery, a solar panel into a weather proof box and set it in the woods if I needed to.
3 points
Wouldn’t you just use a cheap lithium ion battery I’m not sure why you go for a lead acid.
4 points