Quote:
Originally Posted by HarryT
There's two factors which affect the capacity of lithium battery: number of charge cycles is one, but simple ageing is a more significant one. When a lithium battery is first charged, the clock starts ticking; a 3-year-old battery will typically have lost a third of its original capacity; after 5 years it'll probably be completely dead. Many people with older readers like the Sony PRS-505 or the original Kindle have certainly run into battery issues already.
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A good place to buy a replacement battery is newpower99:
http://www.newpower99.com/category_s/222.htm
The battery comes with a video showing how to do the replacement. If you prefer, for a fee they will replace the battery for you.
My wife loves our Sony 505 and after 4+ years, the battery is dying, so I have ordered a battery from newpower99. Except for the battery dying, the 505 is in pristine condition, even though it gets 3 to 4 hours of use nearly every day and has for the 4+ years I have owned it.