I've only ever gotten them from Raif or Aelik. Make sure no one else is in the room, and ask <whoever> for pouch. And there's a silly timer, so you can only get one so often.

Monster Elec

You hear the distant echo of a savage Horde snarling in barbaric disapproval of your deeds.

Yeah, i got one, and was surprised how quickly it filled up. So i threw it in the garbage bucket