The PowerBook 150 is a laptop personal computer created by Apple Computer which was introduced on July 13, 1994 and released on July 18, 1994. It was the last member of the PowerBook 100 series to use the original case design, the most affordable of the series when introduced, priced between $1450 and $1600, and also the last consumer model.It was 8 MHz faster than its predecessor, the PowerBook 145B.