Thread: Battery Life
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Old 07-08-2015, 08:44 AM   #12
cybmole
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Quote:
Originally Posted by HarryT View Post
Yes, that's why I advised Patrick to top it up every month or two. A Kindle battery only self-discharges by 10% or so in a month, in my practical experience.
in which case , assuming that meand lose 10& of current charge - it will only fall to ~ half charged over 6 monhts - which is well within recommended levels

I can't do **12 exponentials in my head but taking off 10% of a remainder twelve times will gave a value after one year of ... boot up excel.... fail to remember how to do powers... never mind . replicate a cell 12 times....
~28% charged.

I once had a backup sony PRS T1 stored for well over a year ( & that has a similar li-on battery) and it was fine when taken out of storage & switched on
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