Quote:
Originally Posted by Michal Jancik
I had the same problem with my previous phone, as soon as I got to minus -15° the battery went crazy and jumped from 75% to "discharged".
You must use the reader according to the indicated recommended temperatures, but in any case I would not try to charge it at -20. Only charge the battery in your book reader at the recommended temperature.
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I'm not using it at that temperature now, I did it some time ago and thought that might explain why I'm having problems now. On the other hand, it's 10 years old, so maybe I don't need any additional explanation for why it's starting to fail
