upower battery capacity sometimes wrongly detected

Solution Verified - Updated -

Issue

  • Occasionally the battery energy-full value gets wrongly detected and overestimated 10x. This in turn causes the charge to be underestimated, and instead of the battery being 80% full it is reported 8% full.
  • This may trigger low-power emergency hibernate/shutdown much too early.

Environment

  • Red Hat Enterprise Linux 7.1
  • upower

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