Lapotron Crystal (IndustrialCraft 2)

The Lapotron Crystal is a rechargeable energy storage unit similar to an Energy Crystal or Lithium Battery. It can hold 1,000,000 EU. It requires an HV-tier interface to charge and can only be used to power T3 machines or tier two machines with one Transformer Upgrade Or a tier one machine with two Transformer Upgrades. 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