>>106134269 (OP)You cannot get around converting AC to DC and it's watts you are after. The big bricks are converting more watts, so by this you are using a tiny wall wart maybe 50-80 watts. Some pissant thing. It shows how inept you are in your computer choices. You don't need a lot of power because you aren't using your computer for anything that needs real power. Macbooks are shit. Continue using your iToy.