upower HP-Mini

 upower -i /org/freedesktop/UPower/devices/battery_BAT0
  native-path:          BAT0
  vendor:               Hewlett-Packard
  power supply:         yes
  updated:              2015. aug. 27., csütörtök, 19.11.30 CEST (28 seconds ago)
  has history:          yes
  has statistics:       yes
  battery
    present:             yes
    rechargeable:        yes
    state:               discharging
    energy:              27,5487 Wh
    energy-empty:        0 Wh
    energy-full:         58,6143 Wh
    energy-full-design:  58,6143 Wh
    energy-rate:         11,1252 W
    voltage:             10,572 V
    time to empty:       2,5 hours
    percentage:          47%
    capacity:            100%
    technology:          lithium-ion
  History (charge):
    1440695430  47,000  discharging
  History (rate):
    1440695490  11,125  discharging
    1440695460  12,114  discharging
    1440695430  13,205  discharging