Quote:
Originally Posted by calvin-c
Why? I read on my phone (Samsung Note II) 8-10 hrs some days. No problems with battery life-because I always carry a spare battery or 2. Lots, lots easier than carrying a second device plus it doesn't matter whether I'm reading or talking for that 8-10 hrs, the batteries support both.
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It depends upon the device that you're talking about. Many dedicated devices have more than 8 to 10 hours of battery life on their own, simply because low power components are selected. Low power components can be selected since the task that the device is conducting is well understood (e.g. ereaders, music players, even dedicated phones). So instead of charging a single device every day, you may be charging two or three devices once a week.