Yeah thats the problem with mech mods. carrying extra batts is a chore and it isnt as consistent as box mod with electronic controllers.
I hope the price would drop to the $50 range for the internal electronics.
If you were to include the labour and buying of the batteries and alum. box etc.
It still aint cheap.
Yes, one of the reason why i haven venture into mech mods.
Prepare at least S$150 for everything and provided you have got soldering iron, dremel and such to start off with. I will give a price breakdown after i'm done. Currently starting to mount the cradles, connection, switches in..Indeed a challenge to mount it into a small box.