To check the information and status of the battery from the command line cat /proc/acpi/battery/BAT0/info present: yes design capacity: 5000 mAh last full capacity: 5152 mAh battery technology: rechargeable design voltage: 7400 mV design capacity warning: 500 mAh design capacity low: 250 mAh cycle count: 0 capacity granularity 1: 50 mAh capacity granularity 2: 50 mAh model number: serial number: battery type: LIon OEM info: cat /proc/acpi/battery/BAT0/state present: yes capacity state: ok charging state: charging present rate: 2779 mA remaining capacity: 3459 mAh present voltage: 7885 mV