A portable computer that is slightly lighter and smaller than a full-sized notebook computer. Typically, subnotebook computers have a smaller keyboard and screen, but are otherwise equivalent to notebook computers.
AtBatt.com
44.99Compaq Concerto Subnotebook AC Adapter/Charger/Power Supply. DC Car Power Adapter for Notebook Computers
BatteryEngine.com
43.70Compaq AC Adapter for [139500-001] . We offer a 30 days money back & 12 months warranty on Compaq 139500-001 AC Adapter.
DuracellDirect.com
61.16MPC (MicronPC) AC-C20 AC Adapter. This is a 18 TO 20 Volt AC Adapter . Dimensions: 4.00 x 2.38 x 1.25. Get 30 days money back and 12 months warranty ...
Amazon
57.07Guaranteed to meet or exceed original specifications 100% OEM compatible Full one year warranty