You will have to configure this behavior, as by default that would require pressing the power button instead of using the Hall effect sensors and the magnets fr

You will have to configure this behavior, as by default that would require pressing the power button instead of using the Hall effect sensors and the magnets from the cover. But yes, you are correct: it will consume very little power while suspended if you use s2ram (resuming immediately) or hibernate (slower ersume, but consumes nothing) Only s2idle consumes a lot of power.