Quote:
Originally Posted by delphin
No it's not a good idea at all to run the battery down completely, in fact it can cause problems. The older NICAD batterys needed to be fully cycled to prevent 'memory', but Lithium Ion batteries work best if kept between about 10% charge and 90% charge.
In fact, fully discharging a Lithium battery is very destructive, and can destroy the battery completly in a single deep discharge, so the Sony is designed so that if you run it down to near zero, it will FORCE A COMPLETE SHUTDOWN.
Overcharging is much less of an issue, in fact Wikipedia reports that even if a Lithium Ion battery is held at 100% charge for a full year, it will only loose a few percent more of it's full capacity than it would loose in any case. If you are worried about this very slight overcharge effect, just remove the USB charging cable right after the RED LED on the top of your reader goes out (but again, if you forget and leave the reader on charge, even for several days, it won't cause any significant harm)
Just remember that over charging is not a big issue, but over discharge can be a big problem, so if the reader will not be used for several weeks to several months, be sure to fully charge it first, then do a full shutdown
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Now, this is exactly the information I've been looking for, and it's sounds wonderful. Are you sure it's true? Because browsing the forums for how the battery works, most people seem to think that the traditional "use up the battery before recharging" is the way to go to not hurt the battery.
The question I really want to get answered is: If you connect the reader to the computer each morning to transfer the paper, and then disconnect it as as soon as it's finished transferring, will this brief connect-and-disconnect affect the battery in a negative manner?
Regards,
Clapton