Version: (make sure you are on the latest version before reporting):

• Minecraft: 1.20.4
• NeoForge: 20.4.57
• Powah: 5.2.0-alpha

Issue description:

Trying to charge a battery in the bottom slot of an Energy Cell leads to an instant StackOverflowError

Steps to reproduce:

1. Place a Furnator and an Energy Cell next to each other
2. Put coal in the Furnator to charge the Energy Cell
3. Open the Energy Cell GUI
4. Put a battery in the bottom left slot of the Energy Cell menu

Is this a crash?, please include it here: (Recommended to use Gist)

https://mclo.gs/TNyGDwl