Targus PA375U
79-100$
For Dell, HP, Sony, Apple, Gateway, Fujitsu, Panasonic and Sharp
allows users to power and charge many models of laptops while traveling in an
automobile or an airplane. It's compact, lightweight, and has a total body and
cord length of 4ft. This power source not only allows you to plug virtually any
notebook computer into airline seats with EmpowerM-^Y capability, it works in
vehicles with standard cigarette lighters as well. This laptop power adapter is
the safest, most convenient way to power and charge a laptop PC
http://www.gizmos2go.com/


Amstron (Dell)
$54-90
A-13 Airplane & Auto DC Adpater for Dell Notebooks19V - 3.2A
# Powers your laptop in the airplane or your car
# Powers your computer and charges its internal battery while you travel
# Rugged case withstands harshest mobile environments
# Sealed for protection against moisture and high humidity
# Designed to filter input line voltage spikes or surges
# Exclusive internal safety features protect your notebook from electrical hazards
# Built to emulate the output power of your notebook's AC adapter
# Low input voltage shut down
# Output over voltage limiting
# Output current limited
# Output ''short circuit'' shutdown
# Internal over temperature shut down
# Automatic reset for shut down conditions
# 100% original manufacturer compatible
# Guaranteed to meet or exceed original specifications
# Full 1 year warranty