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 an 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