the Gavilan SC was more compact than rival IBM PC-compatible portable computers such as the 28 pounder (13 kg) Compaq Portable. Gavilan Computer Corp. declared bankruptcy and closed in 1985.
The Compaq Portable III from 1987 is but one such kit, and while it was designed to be carried around, it resembles more of a suitcase than the laptops we have in this day and age. Still ...