on minecraft 1.11.2, forge 2298. RebornCore 2.14.2.94, TechReborn 2.2.1.142, Actually Additions r107.
this happens:(solar panel is full but mfsu is filling)

Ellpeck/ActuallyAdditions#771

Can you try with this version of Reborncore? https://jenkins.modmuss50.me/job/TeamReborn/job/RebornCore/job/RebornCore-1.11.2/101/ It should also fix your issues with the FluxedRedstone cables

of course, let me try.

uh oh, it didn't work again with laser relays from ActuallyAdditions :/
And very important another thing, i made a test.
i set the time to night, i placed 2 solar panels, connected first solar panel to the first mfsu with redstone fluxed wire, and connected second solar panel to the second mfsu with copper cable. then i set time day, and time night again after 4 seconds. and surprise! redstone fluxed wire-connected mfsu filled 3 times more than the other one. and solar panels was empty.
here some screenshots:

Humm ok, thanks for that I will take a look later at it

ok thanks, we will be waiting

Ok, done some more changes, if you want to test you can use:
https://jenkins.modmuss50.me/job/TeamReborn/job/RebornCore/job/RebornCore-1.11.2/103/
and
https://jenkins.modmuss50.me/job/TeamReborn/job/TechReborn/job/TechReborn-1.11.2/151/

let me test

well, Techreborn cables working awesome. They connect other mods machines, it's amazing. But actually additions's laser relay still not working with techreborn's machines. thanks! great job

Ok, Im getting there. :) I will install Actually additions to try and see whats wrong with them next.

Thanks a lot for helping test 👍

ur welcome. btw, i'm using AA r107

Should be fixed now, going to prep a beta for curse.

i hope it will fix my modpack bug too :( (infinite energy) thanks for great work