IndustrialCraft 2 Classic

IndustrialCraft2 Classic (or IC2 Classic for short) is an updated version of from the Minecraft Version 1.4.7.

As well as containing the features that IC2 contained, it also adds additional little unique things, such as:
 * A Battery Box.
 * A Nuclear Jetpack.
 * A lot of IC2 Addon Support.