Originally Posted by
stephan
I bought Microsofts Street and Trips GPS software/hardware so I could keep track of how far I've driven and how far I am from my next destination. What size (watt) inverter would I need to keep my laptop powered?
depends on what size power supply your laptop requires.
check your power brick, it will tell you. keep in mind the amp requirements of your laptop. if the inverters amp rating is lower than your laptops power brick, then the laptop will charge slower.