Inefficient, as well.I think its a bit lame to stick a sigaret-lighter converter that goes from 12v>230v>19v.
You can, but it's really not worth the time, effort & expense, especially with a laptop that has its own battery.I also wonder if it is possible to put in a secound battary,as a reserve one(still dont know why cars only have 1 battary), that loads when driving but only unloads into the laptop.
IT can be done, but again, it's far simpler to just use an external screen.and are there ways to unatach and extend the laptop screen(using the same powersource, ofcoarse) and attach it somewhere else (thinking of putting it on the viser) that way can use the laptop screen, and save me a screen-purchase and another powersource problem.
Time to start perusing the FAQs. Link is in my signature.
Welcome to our madness!