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Old 01-12-2013, 10:04 AM   #7
sirmaru
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Posts: 2,242
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Join Date: Nov 2007
Device: PW 2013, HDX 2013, PW 2012, HD 2012
It doesn't affect the battery but a full discharge at least once will make the battery meter more accurate.

I saw this on another web site: "The lifespan of your lithium-ion battery should last between 400-500 charge and discharge cycles. Depending on your usage, this usually amounts to 2-3 years. After that, your battery will have a reduced capacity charge and only hold 80% of a new cell. So in actual fact, your lithium-ion battery can last a good while longer than 3 years."

That site does not mention whether those cycles are full or partial. However, after the 400 to 500 charges one can still get an 80% charge and for our Paperwhite readers it will not really be that noticeable.

In addtion, most of us will be buying a new Kindle every year so, even if we charge every day, that would only be 365 charge cycles - well within the 100% capacity.

The referenced site is here:

http://gemini-lights.com/explore/how...um-ion-battery

I charge my PW every 15 days and get between 10 and 12 hours of specific reading cycles. I charge my KFHD7-32 every 12 days and get between 4.5 to 7 hours of specific use for app functions and reading.

I notice that the smaller day cycles are associated with the larger use hours and visa versa. Thus, you could get 20 hours of battery use on both if you used 8 hour reading sessions. Most of the time my reading sessions are much, much smaller.

Last edited by sirmaru; 01-12-2013 at 10:17 AM.
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