Quote:
Originally Posted by Uncle Robin
I would be interested to know why you developed the habit of leaving your ereaders plugged in overnight. Kobo's advice doesn't seem as strange to me as that practice of yours does. As others have mentioned, ereader batteries are low-drain, slow-drain, thanks to the light demands of the ereader. It does seem quite possible that leaving them plugged in overnight every night could do more harm than good.
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Of course. Lithium batteries, when they go near 100% charge, are charged by trickle charging; only small bits of energy are given to the battery sporadically: to keep it near 100% but to also prevent it from burning.
Trickle charging is a great thing in life; but when you use it too much, it can damage the lithium cells and thus shorten the life of the battery.
This is a good read about that.