Power Efficient Computer Monitor Upgrade?

MEXICOWANDERER wrote:
Hopefully this separate thread will eliminate hijacking another.

Many RV'ers including myself use laptops instead of desktop units. But the 17" laptops seem to gobble laptop battery power at an astonishing rate. So here I am with a 15.6"

I start shopping online for a 23" power thrifty monitor, and run into a blizzard of hyperbole and confusion. I do not have HDMI. Merely an old Compaq CQ57 with video connection.

I would prefer a screen resolution as clean as what's on the laptop. But this is up to the video card inside the computer.

Do monitors operate directly off a 12 volt power brick? I would love a 23" monitor that consumes 2.0 amperes of 12 volt power. Or less.

And then, up jumps my ugly troll social insecurity income.

I would love to stick the laptop on a shelf and use the monitor and wireless keyboard with track ball. I would fabricate a stand that allows the monitor to be placed about 30" from me, and then conjure up a sound system with a parts express Lepai audio amplifier and 2 of their 5" speaker bookshelf speakers.

But limited money is the needle that pops the balloon of such dreams. 12 volt power efficiency is key. Or do I run the speaker amplifier through an inexpensive 12 volt car radio amplifier?

The monitor is by far the most important item.