View Single Post
Old 10-16-2010, 11:17 AM   #7
HarryT
eBook Enthusiast
HarryT ought to be getting tired of karma fortunes by now.HarryT ought to be getting tired of karma fortunes by now.HarryT ought to be getting tired of karma fortunes by now.HarryT ought to be getting tired of karma fortunes by now.HarryT ought to be getting tired of karma fortunes by now.HarryT ought to be getting tired of karma fortunes by now.HarryT ought to be getting tired of karma fortunes by now.HarryT ought to be getting tired of karma fortunes by now.HarryT ought to be getting tired of karma fortunes by now.HarryT ought to be getting tired of karma fortunes by now.HarryT ought to be getting tired of karma fortunes by now.
 
HarryT's Avatar
 
Posts: 63,496
Karma: 41548799
Join Date: Nov 2006
Location: UK
Device: PW2, iPad Retina Mini, iPhone 4, MS Surface Pro, Onyx T68, N7,
Quote:
Originally Posted by chas0039 View Post
I am using 3 years as the maximum life of these batteries, based on technical web sites devoted to batteries. They seem to have a useful life regardless of the number of charge cycles. They start to die from the date of manufacture whether used or not.
A typical lithium ion battery will probably have lost about a quarter to a third of its capacity after three years. There are many people still using Sony PRS-500 Readers, which are now more than 4 years old, which still have an eminently usable battery life.
HarryT is online now   Reply With Quote