Initially thought as Integrated Tunnels bug, for all additional information go to CyclopsMC/IntegratedTunnels#237

Short description:

Energy networks(any combination of interfaces, importers and exporters) from Integrated tunnels don't work properly with Flux Point from Flux Networks. It just doesn't pull any energy from it as is. It only works when IT's energy transfer limit(default 1000 fe/t) is equal or more than flux points'(default 800000 fe/t) or if there's a FE acceptor on the opposite side of where IT's network is connected(refer to screenshots in IT's issue tracker)

Steps to reproduce the problem:

1. Create a new world
2. Place any source of FE
3. Connect it to Flux Plug and create a Flux Network
4. Place a Flux Point and connect it to created Flux Network
5. Place an energy interface on Flux point
6. Place a battery from Integrated Dynamics(or any FE acceptor)
7. Place an energy exporter on a battery, connect it to energy interface and add a variable card for it to become active

Expected behaviour:

Battery starts filling up

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Versions:

• Minecraft: 1.16.5
• Forge: 36.2.2
• Mod list:
  CommonCapabilities-1.16.5-2.7.0
  CyclopsCore-1.16.5-1.11.8
  FluxNetworks-1.16.5-6.1.7.12
  IntegratedDynamics-1.16.5-1.9.2
  IntegratedTunnels-1.16.5-1.8.5
  jei-1.16.5-7.7.1.118
  theoneprobe-1.16-3.1.4
  topaddons-1.16.5-2.1.5-beta

I haven't seen IntegratedX's code, but with previous feedback. ID's battery doesn't send power actively, it does not allow adjacent blocks to receive its own energy. So I think energy exporter tries to extract the energy from flux point, but flux point is not like that. Although flux point has infinite energy buffer, but it only send power to other blocks, and energy exporter doesn't receive energy.

In physics, power source as excitation, they transmit energy to the outside, and the battery responds.