Lappack

The Lappack is a more expensive,higher capacity and otherwise mostly superior version of the BatPack. It holds 300,000 EU, Compared to the 60,000 EU capacity of the BatPack, About five times the internal capacity, It can be upgraded further to an Advanced Lappack that can hold one million EU.

Recharging
The pack will automatically recharge powered tools such as a Mining Drill And it's internal storage can be refilled by any storage block, Ranging from a Generator To an AESU