Comments (5)
I haven't yet run a full charge, but so far for me it consumes about 3-4% battery per day. I'm refreshing the screen every 30 minutes for 10 hours a day. The remaining hours the Kindle is suspended.
I expect the actual battery usage depends mostly on the number of screen refreshes per day. Refreshing an e-ink display is apparently quite power consuming.
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Two more data points:
- Kindle4NT refreshing every 30 minutes during office hours 5 days a week (about 100 screen refreshes per week), fetching an online image. Battery endures about 30 days.
- Kindle4NT refreshing 4 times a day, 7 days a week (28 refreshes per week), fetching an online image. Battery also endures about 30 days.
I haven't looked at the remaining battery capacity of both devices, but I assume the second has a bit worse battery condition. In any case still happy charging only once per month :-)
from kindle-dash.
Same question here :) I have "plugged in" weather dashboard (https://github.com/matopeto/kindle-weather-dashboard) and i wonder if this project can be replacement without cable
from kindle-dash.
Closing this for now. Feel free to re-open if you have any other questions about battery life.
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FYI: Kindle DX (with current 677 mAh batery capacity), script modify to by offline refresh (only pick random image from storage and show it), partial refresh every hour (no full refresh) - battery life: 24 days
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Related Issues (13)
- How to disable kindle-dash? HOT 3
- Print last updated time and battery percentage onto the dashboard locally HOT 2
- Image aspect ratio morphed/incorrect HOT 5
- Add support for non Kindle devices HOT 2
- Render to png HOT 3
- Move next_wakeup_secs to local HOT 2
- When kindle is in RTC sleep it cannot be charged HOT 5
- Failed to download image HOT 26
- Changing low-battery.sh to turn off the kindle and then ensure dash.sh/start.sh runs on boot
- fetch_dashboard.sh to check ETag? HOT 7
- Cron format has an unusual number of columns HOT 5
- wait-for-wifi.sh not working reliably when called from dash.sh HOT 6
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