Quote:
Originally Posted by Boston
As far as the battery life - I think the touchscreen must use some power, no? And while the drain may be less than wi-fi, the touchscreen is something that you would use constantly while reading. Sony "claims" 2 weeks on the PRS-650. Amazon claims "4 weeks" with wi-fi off and "up to 3 weeks" with wi-fi on (but again less if you actually use the wifi). So for me, it's a wash. What I really want is a user-replaceable battery - I'm a heavy reader and the battery is the first thing to go.
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The battery's lifetime is measured in charges, for good reason. It's the act of discharge/recharge that degrades the battery. A battery good for 1000 charge cycles should be able at hold at least 50% charge ~8-10 years in, assuming you have to fully recharge it every week.
On these devices, we aren't recharging it often enough that we should be killing the batteries faster than the device.