At the time of this writing, the PowerGuard PG-600 and PowerCom SMK-800A are recognized and supported. Other Megatec units should also work, but they will generate a warning since their battery information is not known.
This driver does not support any extra values for -x or in the ups.conf(5).
The battery percentage is derived from the voltage data that the UPS returns, since the UPS doesn't return that value directly. On some hardware, the charge will remain at 100% for a long time and then drops quickly shortly before the battery runs out. You can confirm from the BATTVOLT readings that this is a problem with the UPS and not this driver.
Similarly, the float from the charger in some models forces the battery charge percentage back up to 100% immedately after the UPS goes back on-line, so you can't tell when it is really recharged.
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Created 1996-2020 by Maxim Chirkov
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