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One thing to remember...these batteries have a certain amount of charge/discharge cycles before they degrade to the point of being unusable, so if you don't need whispernet, leave it off.

For example...let's say that the battery is good for 500 cycles (just throwing a number out there) - you can charge it once every 4 days, or you could charge it once every 14 days. Obviously it will last longer with a 14 day cycle.

Another thing is age...lithium polymer batteries degrade with age. I've read various things...some say after 2 years of sitting, they only retain 40% of their charging capacity.

Hopefully the batteries will last for the life of the Kindle....or at least until we all want the next model.

I was "topping off" my battery the other night when the indicator showed it was only one-quarter or less down, and DH told me it would probably wear the battery out early by charging it unnecessarily, i.e. every night when it doesn't need it yet. Is this true?

 

[libro]

That was VERY true of the older batteries but not at all true about the type of battery used in the Kindle.

The older batteries (nickel cadmium in particular) always carried warnings not to charge it without first draining it completely.

These are the opposite.

Amazon itself has said to keep the battery charge high. Tends to help prevent freezes due to processes started but with not enough power for htem.

ArtsandHistoryFan: Thanks so much for the battery info. It's not only good to know for myself, but I wouldn't want to disseminate inaccurate information to others.

 

[libro]

Thanks, everyone, for your advice on the care of the K2 battery.  I had hoped battery care instructions would be in our User's Guide, but didn't find it, so appreciate all of you posting the important info.