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Originally Posted by KlondikeGeoff
Sony says battery only used for page turns, but I wonder about using the Mark and the on/off switch. Suppose that must take some power too, or not?
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Clearly the rest of the hardware - CPU, memory, LEDs, etc etc etc must use some power. I suspect that what Sony mean is that, unlike an LCD display, which constantly uses power, the eInk
screen only uses power when its contents change.