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Old 08-17-2025, 03:32 PM   #1
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6 hour battery life on Sage?
I bought a Sage to see if I will like it, still within return window. I like the device, screen looks very good, but I do not like battery life. I loaded KOReader, and read a few books, took around 6 hours to drain the battery from 100% to 10%, wifi/BT off, backlight 0 or 15% depending on conditions. Is it normal battery life, or it might get better? I had to charge the battery to turn the device on once I took it out of the box.
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Old 08-17-2025, 03:40 PM   #2
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Originally Posted by Buhaj View Post
I bought a Sage to see if I will like it, still within return window. I like the device, screen looks very good, but I do not like battery life. I loaded KOReader, and read a few books, took around 6 hours to drain the battery from 100% to 10%, wifi/BT off, backlight 0 or 15% depending on conditions. Is it normal battery life, or it might get better? I had to charge the battery to turn the device on once I took it out of the box.
No, it's not normal. KOReader is known for excessively draining the battery of the Sage, however. I think there is a setting to fix that, but I don't know what it is, as I don't use KOReader. Someone who does might know.
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Old 08-17-2025, 05:58 PM   #3
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According to the KOReader GitHub:

https://github.com/koreader/koreader/discussions/11306

You can fix this by enabling automatic standby under device settings.
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Old 08-18-2025, 06:29 AM   #4
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I get about 20 hours on a Sage. Maybe a bit more. Native reader as KOReader is too clunky with 8000+ ebooks and I fix ebooks as I add them to Calibre. BT, Wifi & front light off.

The Clara B&W is almost 1/2 the area of screen:
Quote:
*A single charge on the eReader lasts up to 53 days, based on 30 minutes of reading per day with the front light at 10% brightness and WiFi and Bluetooth® wireless technology off.
—https://uk.kobobooks.com/products/ko...mpaign=ClaraBW
That's about 26 to 27 hours.
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Old 08-18-2025, 05:46 PM   #5
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Autostandby seems to have helped so far, read for over 2 hours and battery went down by 10%.
Last edited by Buhaj; 08-18-2025 at 06:00 PM.
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Old 08-18-2025, 08:37 PM   #6
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Autostandby seems to have helped so far, read for over 2 hours and battery went down by 10%.
The Allwinner B300 CPU/chipset used in the Sage and the original Elipsa has developed a bad reputation for power management. One of the main reasons why the Elipsa 2E refresh switched to the MediaTek MT8113 CPU/chipset was MediaTek's power management.
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Old 08-19-2025, 04:41 AM   #7
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Waiting for the Mediatek-based B&W Sage 2 then...
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Old 08-22-2025, 09:32 AM   #8
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Waiting for the Mediatek-based B&W Sage 2 then...

B&W ??? Better keep dreaming.

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Old 08-22-2025, 10:58 AM   #9
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Small chance, I know, Kaleidophilia is prevalent with manufacturers
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