Thread: Glo HD Glo HD Battery Replacement didnt work
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Old 07-16-2019, 09:50 PM   #18
davidfor
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Posts: 24,905
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Join Date: Jul 2011
Location: Sydney, Australia
Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos
Quote:
Originally Posted by Thargor View Post
Whats the best alternative to epub to test if thats my battery issue though?
Probably kepub. But, just convert a few. Or use the KoboTouchExtended driver to do it when you send the book.

But, rereading your description of the problem, it doesn't sound like it is book related. It sounds like it is sitting idle when the battery discharge is happening. And after a restart. The situation with a book causing the problem is when reading or leaving the device idle after reading. The times this has been reported, restarting the device stops the battery drain, until the book is opened again.

For your case, I'm wondering if the device is going to sleep. The battery that you describe could happen if the device is awake the whole time. If something is blocking the sleep, or it is disabled or being woken, then the battery will drain. And if for some reason it constantly sleeping and waking, the battery usage will probably be high.

There have been a few reasons for this. A magnet or something metal nearby can affect the sleep. The Glo HD has IR touch, so something touching the screen can prevent it sleeping. And will use the battery faster. A badly fitting sleep cover, or one with something inside touching the screen can also do this.

The WiFi will also use battery. For a long time I had a bad internet connection. Sometimes this would cause the overnight sync to not work properly and drain the battery.

If it was happening after sideloading new books, it could be related to the import or cover generation. These do open the book to to extract the metadata and then to render the cover. For epubs and PDFs the cover generation uses the Adobe RMSDK, so if there is a problem in the book, it could trigger what I described before.

Some things you can try:

- Turning of the cover detection an manually putting the device to sleep.
- Checking if something is touching the screen when sleep should happen.
- Turn off WiFi for a while.
- If you get a battery drain, reboot and see if it keeps happening.
- If it happens after reading, check the book using the calibre editor, Sigil or ePubCheck.
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