Energy Unloader

The Energy Unloader is a block from the Railcraft mod. This block acts as a link between the IndustrialCraft 2 power network, EU, and the various EU storage Minecarts from Railcraft. Energy carts include the Batbox Cart, MFE Cart, MFSU Cart, and CESU Cart. By default this take power input at 512 EU/t.

Usage
Place the loader directly next to a track, with the 3 black dots facing the track. Locking Tracks are very useful when combined with Energy Loaders, when set to Holding or Boarding mode, because they will stop the cart when there is no redstone signal, and will force the cart to continue when there is a redstone signal.

GUI
There are several sections to the GUI of this machine. The top left slot is used for charging tools and armor from IndustrialCraft 2. The bottom left slot is used for decharging things and putting their power in the Energy Unloader.

The right slot is used for upgrades. You can use any upgrade from IC2, as well as the Lapotron Loader Upgrade. An Overclocker Upgrade will increase the transfer rate of the energy by 30%, and increase the energy usage by 50%. A Transformer Upgrade will increase the energy input by a single tier. The Energy Storage Upgrade will increase the total amount of energy storable in this machine by 10,000EU. Lastly, a Lapotron Loader Upgrade will increase the Unoader storage capacity by 1,000,000EU.

Additionally there is a button, Wait till Empty. This button is used to control the redstone signal the unloader produces when it finishes a task. Turning this on will force the cart to output all of its energy into the Unloader before it can continue moving along the track. Below these buttons is a section that says "Rate", this is the rate of the energy transferring.