Using your latest Beta (1.1.1-beta.1) with MC 1.18.2, Fabric 0.14.9 Loader, Fabric 0.59.0

The 256K items, Cell Component, Storage Cell, Fluid Storage Cell and portable cells for same are missing their models. REI also shows the checker image for the devices.

[Worker-Main-11/WARN]: Unable to load model: 'ae2things:cell_component_256k#inventory' referenced from: ae2things:cell_component_256k#inventory: java.io.FileNotFoundException: ae2things:models/item/cell_component_256k.json [Worker-Main-11/WARN]: Unable to load model: 'ae2things:fluid_storage_cell_256k#inventory' referenced from: ae2things:fluid_storage_cell_256k#inventory: java.io.FileNotFoundException: ae2things:models/item/fluid_storage_cell_256k.json [Worker-Main-11/WARN]: Unable to load model: 'ae2things:item_storage_cell_256k#inventory' referenced from: ae2things:item_storage_cell_256k#inventory: java.io.FileNotFoundException: ae2things:models/item/item_storage_cell_256k.json [Worker-Main-11/WARN]: Unable to load model: 'ae2things:portable_fluid_cell_256k#inventory' referenced from: ae2things:portable_fluid_cell_256k#inventory: java.io.FileNotFoundException: ae2things:models/item/portable_fluid_cell_256k.json [Worker-Main-11/WARN]: Unable to load model: 'ae2things:portable_item_cell_256k#inventory' referenced from: ae2things:portable_item_cell_256k#inventory: java.io.FileNotFoundException: ae2things:models/item/portable_item_cell_256k.json

Disregard, I just noticed the closed Issue #14 stating why this is.