Questions tagged [battery]

Portable or integrated power source for a device.

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Kindle DX 2nd generation - battery life

I’ve recently bought Kindle DX (2nd generation, D00801) and I see it charging off in 2-3 days of daily usage (full-format PDF books, 3–4 hours a day). Is it typical for e-ink device? What should I ...
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0answers
39 views

On a Kindle e-reader with LTE/Cellular, can I turn off LTE but keep WiFi on?

With my phone, I frequently turn off cellular (with airplane mode) and then turn WiFi on. This is great for saving battery life but still letting my access the internet. It seems like with a Kindle (...
1
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0answers
1k views

Your Kindle Needs Repair: battery invalid: -22

I'm getting a battery error which might just mean low battery: https://www.ifixit.com/Answers/View/349103/Your+Kindle+needs+repair.+Repair+Code+0.+Version+2588930001 https://www.reddit.com/r/kindle/...
4
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2answers
45 views

Kindle (2nd gen) battery can't hold power

I bought a Kindle some years ago. At first I used it a lot, then I left it unused. I would like to use it again: only trouble is that the battery can't mantain the charge. This is not surprising, it's ...
7
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1answer
643 views

Kindle (classic) power consumption when reading PDF vs. MOBI

I'm reading mostly PDFs on my Kindle Classic (e-ink) device. Most of my e-books are PDFs, and after converting them, I've find out it's easier for me to read original PDF than converted version. ...
8
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1answer
331 views

How do I override the power cycling when the battery gets below 5%?

I know that I probably shouldn't let the battery run so low on my Kindle Fire, but occasionally I have let it dip below 5%. Once this happens, the device no longer let's me trickle charge, and it ...
12
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3answers
8k views

How much of the power does the screen of e-Ink device consume?

On Android smartphones, when you look into Power settings, it shows a neat usage graph, which usually looks like this (my phone has very similar #s right now): ================ 40%+ Screen ==== 10% ...
4
votes
1answer
67 views

How to (easily) get the back cover off a $35 Polaroid PER7021 e-reader?

I have an e-reader I picked up at Big Lots for $35 and it's a great machine, aside from two problems: It eats through batteries when turned off. The battery cover doesn't remove easily without using ...
8
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2answers
1k views

Kindle Touch Battery Replacement

Can I replace the internal battery of my Kindle Touch. How do I go about this? What battery does it use? Where can I find a replacement?
10
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2answers
4k views

Is it better to shut down my Kindle Fire or just put it to sleep?

When is it better for me to shut down my Kindle Fire vs. putting it to sleep? Does putting it in sleep mode drain the battery?