05-27-2013 10:31 PM
When I'm not using my HD+ I usually keep it on my nightstand on the charger, Someone told me that I should not do this as it will shorten the life of the battery. Does anyone know if this is true?
05-28-2013 12:28 AM
That advice dates from the era when NiCad batteries were the norm. Lithium ion batteries don't have the same issue. It is better to leave it off the charger when using it if possible. Using it regularly while charging can shorten battery life.
05-28-2013 09:00 AM
If you leave it on too long, something within the Nook will shut the charging off and eventually, it will discharge completely. I (and others) have had that happen several times when we've plugged it in and not come back to it for a couple days. It's not the battery. It's inherent in the Nook. I wouldn't leave it plugged in longer than to charge it, or overnight, then use it normally. But that's me.
05-29-2013 08:24 PM
Battery pack life 
Batteries may last longer if not stored fully discharged. As the battery will self-discharge over time, its voltage will gradually reduce, and when it is depleted below the low-voltage threshold of the protection circuit (2.4 to 2.9 V/cell, depending on chemistry) it will be disabled and cannot be discharged any further until recharged.[clarification needed] It is frequently recommended to store batteries at 40% charge level.
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