785, charged yesterday.
This morning => 100%
After about 60 minutes reading (and all in all about 24 hours after the charge) => 100%
The other day I forgot that it was on Start Menu instead of Koreader, so it did not go to sleep after I closed the sleep cover. That drained the battery from 100% to 75% after 9 hours turned on with light at 55%.
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