Lapotron Crystal (IndustrialCraft 2)

The Lapotron Crystal is a rechargeable energy storage unit similar to an Energy Crystal or Lithium Battery. It can hold 10,000,000 EU. It requires an EV-tier interface to charge and can only be used to power T4 machines or tier three machines with one Transformer Upgrade, or a tier two machine with two Transformer Upgrades, etc. Right clicking a lapotron crystal will NOT cause it to recharge electrical powered items in your inventory.

Uses
The Energy crystal is used as a power storage unit much like an RE-Battery.

It is also used as a crafting ingredient for a variety of high capacity items