$ acpitool -B | perl -pe 's/^/ /' Battery #1 : present Remaining capacity : unknown, 72.84%, 00:00:00 Design capacity : 3125 mA Last full capacity : 2813 mA, 90.02% of design capacity Capacity loss : 9.984% Present rate : 501 mA Charging state : Discharging Battery type : Li-poly Model number : L17M3P61 Serial number : 002698