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Merge pull request #619 from Dasharo/novacustom-battery
NovaCustom battery management
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# NovaCustom power and battery subsystem | ||
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NovaCustom laptops equipped with Dasharo firmware provide several battery | ||
management mechanisms to optimize user experience and further prolong the | ||
battery's lifespan. | ||
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## Boot blocking when the battery is low | ||
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To prevent corruption of the bootloader, which may occur due to sudden power cut | ||
off during the OS boot process, booting the OS is blocked when the battery level | ||
sits below 5%. When trying to boot the OS with the battery level below the | ||
defined threshold, following message will be displayed on screen: | ||
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![](images/boot_block_popup.jpg) | ||
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## Disconnected battery warning | ||
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When the firmware encounters problems with detecting the battery, following | ||
message will appear suggesting checking the physical connection between the | ||
battery and mainboard: | ||
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![](images/battery_connection.jpg) | ||
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## Power information error | ||
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When the firmware encounters problems with retrieving information about AC and | ||
battery state, following error message will be displayed: | ||
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![](images/power_error.jpg) | ||
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## Charge thresholds | ||
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Dasharo firmware implements battery charge thresholds, which aim to extend the | ||
lifespan of the battery: | ||
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- charging will only start when the battery level is below 95% | ||
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- charging will stop once the battery level reaches 98% | ||
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Custom charge thresholds can be configured using the Dasharo setup menu or using | ||
third-party software like [tlp](https://linrunner.de/tlp/faq/battery.html). |
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