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Questions tagged [battery]

Portable or integrated power source for a device.

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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/...
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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 (...