AFSU

The Advanced-Functional Storage Unit, or AFSU, is a Tier 5 energy storage unit that stores EU (IndustrialCraft 2). The AFSU is capable of storing 1,000,000,000 EU and outputs 8192 EU/t from the dotted side. It can be safely removed with a wrench without needing lossless mode, as there is no chance of it turning back into a Basic Machine Casing.