If you fill the interenal storage with a batbox and a cable and then, remove the cable, you have infinite energy in the machines.This for all machines.
To reproduce, use this setup:



With this setup, remove the cable and you have done.

Also this this thing:

The thunder icon istantly fill(few EU are enough) and never decrease. This for all machines.

What version are you running?

TechReborn-0.7.0.1036-universal
RebornCore-1.0.0.10

Thanks!