You can continue reading books on this device for 6 weeks without charging. (thedevicesupport.com)
Better yet, readers could put dozens, no hundreds of books on their devices and carry them with them wherever they went. (madgeniusclub.com)
I mean, sooner or later one has to use it to charge the reader anyway, so what's the big deal about using it to load books on the device. (blog.the-ebook-reader.com)