Originally Posted by jsj
What doesn't make sense is the "One month with the light off" statement. The device surely uses less power with the light off. The only explanation I can think of is this means one month of continuous use (1 month x 30 days x 24 hours a day = 720 hours). Although I doubt this is the case because that's a crazy long amount of battery life.
Why? Given that eBooks are normally sold with 15.000 page turns, I'd say that this number sounds reasonable.