laptop computers and other 'portables'
a 'portable' television/radio
(..) This is a radiation suit. Radiation suit? Of course. 'Cause of all the fallout from the atomic wars. This is truly amazing. A portable television studio. No wonder your president has to be an actor. He has to look good on TV. MARTY: This is the part coming up. What did I just say? - . gigawatts! (..)1985 Back to the Future