acpitool -B
  Battery #1     : present
    Remaining capacity : 5701 mAh, 86.38%, 899:00:00
    Design capacity    : 6600 mAh
    Last full capacity : 6600 mAh
    Present rate       : 1 mA
    Charging state     : charging
    Battery type       : rechargeable, LION
    Model number       :  DELL00
    Serial number      : 582