No, I mean it doesn't take much to get them hooked. It's like hard drugs, only a little bit is needed to get you hooked.
They constantly wanted more, because they were hooked on the stuff.
Not just ANY controller was given a portable Kandrona. Only high profile, high ranked Yeerks got to use portable Kandronas. Portable Kandronas weren't like cell phones. They were special.
It wasn't a KASU.
IIRC, Tom was a high ranking Controller. Why didn't he get a portable Kandrona generator during "The Conspiracy" when he had to leave town for 4 days for his host's great grandfather's funeral?