02-03-2019, 12:35 PM | #1 |
Connoisseur
Posts: 51
Karma: 10
Join Date: Feb 2019
Device: Kinde 8th generation
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Kindle 8th generation first charge
I have bought a kindle 8th generation and I plugged it into my USB and started using it immediately. I didn't wait until it was fully charged. Then I left it to finish charging and when the light was green I unplugged it and the battery was on 99%. It's been 24 hours and it's now on 88%. Was the battery damaged anyhow? Is it normal or is it draining too fast? Thanks in advance.
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02-03-2019, 12:50 PM | #2 |
Connoisseur
Posts: 51
Karma: 10
Join Date: Feb 2019
Device: Kinde 8th generation
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I connected it to a Wifi network for some time to download sample books and left it on for a while
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02-03-2019, 01:07 PM | #3 |
The Grand Mouse 高貴的老鼠
Posts: 71,506
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Join Date: Jul 2007
Location: Norfolk, England
Device: Kindle Voyage
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It's fine. When you add new books, it indexes the books. This takes a lot of power.
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02-03-2019, 01:09 PM | #4 |
Connoisseur
Posts: 51
Karma: 10
Join Date: Feb 2019
Device: Kinde 8th generation
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So I havent damaged the battery by not letting it fully change before using it? oh I forgot to mention that I have read a lot on it since then.
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02-03-2019, 01:15 PM | #5 |
The Grand Mouse 高貴的老鼠
Posts: 71,506
Karma: 306214458
Join Date: Jul 2007
Location: Norfolk, England
Device: Kindle Voyage
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It's fine. Don't forget that the "weeks on a single charge" assume 30mins reading per day:
"A single charge lasts up to four weeks, based on half an hour of reading per day with wireless off. Battery life will vary based on wireless usage." |
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02-03-2019, 01:18 PM | #6 |
Connoisseur
Posts: 51
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Join Date: Feb 2019
Device: Kinde 8th generation
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Thanks, you have put my mind at ease aha
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02-03-2019, 01:30 PM | #7 | |
Grand Sorcerer
Posts: 5,278
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Join Date: Apr 2011
Device: pb360
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Quote:
100% is an arbitrary point and the battery is not really full at 100%, but beyond that the battery life will be reduced, and far enough beyond the battery can explode. The 100% point is selected as a compromise between as full as possible and as full as safe. |
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02-03-2019, 07:05 PM | #8 | |
Guru
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Join Date: Jan 2013
Location: Ely, Cambridgeshire, UK
Device: Kindle Oasis 3, Kindle Oasis 1
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Quote:
A clearer way of putting this might be to say that when the indicator says 99%, the battery is actually at more like 80% of safe capacity: when it says 0%, it's at about 20%. Ish. (Battery circuits these days are very safe: it is almost impossible to damage a lithium-ion battery unless you do something like stick it in the oven or the microwave or stab things into it, so don't do that. Merely using it as designed, charging and discharging it, is not going to do it any harm, though if you discharge it all the way and then leave it that way for about a year, you may find there is not enough power to run the battery circuit and you need to leave it on charge for a *long* time, a week or more, before it picks up enough charge to come back to life again.) |
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