Quote:
Originally Posted by Trigun
i noticed a battery drain (like 50% in a single day)
the drain is from the usb power or from the app?
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USB power (and the Kindle itself, which probably doesn't get to sleep as often).
If you dig into this thread a bit, I think you will find where at least some people used a powered hub rather than pull power from the Kindle.
If your giving a presentation of greater than 24 hours, do not send me an invite - I need at least regular beer breaks (or whatever).
Other than that -
I would recommend that you re-charge both yourself and the Kindle every 32 hours of non-stop reading.