Thread: Touch Kobo Touch: When should I recharge?
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Old 04-02-2012, 07:21 AM   #11
davidfor
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Quote:
Originally Posted by jackastor View Post
Actually most devices shut down way before the battery is completely drained. Which means it has power but will not fire up. So there is always a partial charge when you charging on a regular basis. So one is never really completly draining the battery.
While that is true, you have missed something. All batteries suffer from self-discharge. This is loss of charge while sitting doing nothing. So, if you charge a battery, put it on the shelf, eventually it will self-discharge until it has zero charge in it. And going from nearly empty, to empty happens a lot faster. In fact, once the battery hits the measured zero charge level, it continues to drop even further. If this happens with Li-Ion batteries, it can be very dangerous. Li-Ion batteries have a protection circuit built-in to prevent them from being recharged after the charge level has dropped to low.

From my experience with Li-Ion batteries in laptops, phones etc, keepsakes summary is the way to go.
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