BatPack

The Lappack is a tier one unit that can be used to provide power to any Industrialcraft 2 Tools, To do so the pack must be equipped in your chest slot, it will then provide power to things like a Drill Diamond Drill or Chainsaw, In order to charge it, Place it inside somthing like a Solar Panel BatBox, If you use a tool that is in any stage of discharge, Using it with a BatPack Equipped will charge it as much as the batpack can (Full if possible), The Batpack is upgradable to a LapPack

Recharging
As stated previously the unit auto-charge electric powered tools such as a Mining Drill And it's internal storage can be refilled by any EU storage block, Ranging from a Generator To an AESU, Or by helmets such as the Ultimate Solar Helmet or Static Boots