I read a page in 20 seconds in my Pocketbook, which has a 5 inch screen. That means, I read 3 pages per minute, 180 per hour. 70 hours would equate 12,600 pages, with a fully efficient system. That being impossible, I shall take away 10% of battery life since I must operate my reader, and do other battery-consuming processes with it. If those numbers make sense, I have more than 11,000 pages for the reader, which is a high number, but around the usual estimates.
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