Quote:
Originally Posted by astra

It is the other way around for me.
505 never exceeded 2 weeks and at the very beginning only. After 3 years the battery life dropped down to 5-6 days.
650 lasts for 3 weeks. The key to this is that I can now shutdown 650 over night or any long (let's say 6+ hours) periods of time. Starting up takes 30 seconds but doesn't deplete battery like it did with 505.
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ETA.
Not shutting down 650, allowed me 15 days at the first charge.
I read 2 hours per day, no more. Also, I am a slow reader. On the other hand I do use dictionary and search functions.